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 Class   137FLUID HANDLING
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  1           PROCESSES
  2           . (1 indent ) With control of flow by a condition or characteristic of a fluid
  3           .. (2 indent ) Mixing of plural fluids of diverse characteristics or conditions
  4           ... (3 indent ) Controlled by consistency of mixture
  5           ... (3 indent ) Controlled by conductivity of mixture
  6           ... (3 indent ) Controlled by heat of combustion of mixture
  7           ... (3 indent ) Controlled by pressure
  8           .. (2 indent ) For producing uniform flow
  9           .. (2 indent ) For producing proportionate flow
  10           .. (2 indent ) By speed of fluid
  11           .. (2 indent ) For regulating boiler feed water level
  12           .. (2 indent ) By fluid pressure
  12.5           . (1 indent ) Carbonated beverage handling processes
  13           . (1 indent ) Affecting flow by the addition of material or energy
  14           . (1 indent ) Involving pressure control
  15.01           . (1 indent ) Cleaning, repairing, or assembling
  15.02           .. (2 indent ) Repairing or assembling hydrant (e.g., fireplug, etc.)
  15.03           .. (2 indent ) Gas or water meter repairing or assembling
  15.04           .. (2 indent ) Fluid cleaning or flushing
  15.05           ... (3 indent ) Liquid cleaning or flushing
  15.06           .... (4 indent ) Valve or valve seat cleaning
  15.07           .. (2 indent ) Mechanical cleaning (e.g., pig, etc.)
  15.08           .. (2 indent ) Repairing, securing, replacing, or servicing pipe joint, valve, or tank
  15.09           ... (3 indent ) Including joint or coupling
  15.11           ... (3 indent ) Detecting or repairing leak
  15.12           ... (3 indent ) Tapping pipe, keg, or tank
  15.13           .... (4 indent ) Particular aperture forming means
  15.14           .... (5 indent ) Cutter or cutting tool
  15.15           .... (5 indent ) Having deformable or inflatable means
  15.16           ... (3 indent ) With content loading or unloading (e.g., dispensing, discharge assistant, etc.)
  15.17           ... (3 indent ) Specific valve or valve element mounting or repairing
  15.18           .. (2 indent ) Valve or valve element assembling, disassembling, or replacing
  15.19           ... (3 indent ) Fluid actuated or retarded
  15.21           ... (3 indent ) Multi way valve
  15.22           ... (3 indent ) Ball valve or rotary ball valve
  15.23           ... (3 indent ) Gate valve
  15.24           ... (3 indent ) Plug valve
  15.25           ... (3 indent ) Butterfly valve
  15.26           ... (3 indent ) Float valve
  15.1           HIGHSPEED FLUID INTAKE MEANS (E.G., JET ENGINE INTAKE)
  15.2           . (1 indent ) With condition responsive control means
  38           CONTROL BY CHANGE OF POSITION OR INERTIA OF SYSTEM
  39           . (1 indent ) With second control
  40           . (1 indent ) Position relative body of water (e.g., marine governors)
  41           .. (2 indent ) Float controlled
  42           .. (2 indent ) Pressure or head controlled
  43           . (1 indent ) Vent opening or closing on tipping container
  44           . (1 indent ) By shifting of liquid level
  45           . (1 indent ) By pendulum or swinging member
  46           .. (2 indent ) With servo connection to valve
  47           SPEED RESPONSIVE VALVE CONTROL
  48           . (1 indent ) Acceleration responsive valve control
  49           . (1 indent ) With manual valve control
  50           . (1 indent ) Speed change and excess speed valve control
  51           . (1 indent ) With other condition responsive valve control
  52           .. (2 indent ) Governor drive failure responsive
  53           . (1 indent ) Centrifugal mass type (exclusive of liquid)
  54           .. (2 indent ) With multiple valves
  55           .. (2 indent ) Periodically actuated valve
  56           .. (2 indent ) Rotating valve and rotating governor
  57           .. (2 indent ) Excess speed responsive
  58           .. (2 indent ) With fluid servo-motor
  59           FREEZE CONDITION RESPONSIVE SAFETY SYSTEMS
  60           . (1 indent ) With freeze waste
  61           . (1 indent ) Stop and waste
  62           . (1 indent ) Low temperature responsive drains
  65           COMBUSTION FAILURE RESPONSIVE FUEL SAFETY CUT-OFF FOR BURNERS
  66           . (1 indent ) Thermo-electric
  67           DESTRUCTIBLE OR DEFORMABLE ELEMENT CONTROLLED
  68.11           . (1 indent ) Destructible element
  68.12           .. (2 indent ) Combined destructible and fusible element
  68.13           .. (2 indent ) Explosive actuation
  68.14           .. (2 indent ) Separable valve coupling or conduit
  68.15           ... (3 indent ) Tensile or sheer pin or bolt
  68.16           .. (2 indent ) Tensile or sheer pin or bolt
  68.17           ... (3 indent ) Pressure causes pin or bolt to destruct
  68.18           .. (2 indent ) With alarm or indicator
  68.19           .. (2 indent ) Rupture disc
  68.21           ... (3 indent ) Means for holding entire disc after rupture
  68.22           ... (3 indent ) Disc burst after destruction of additional element
  68.23           ... (3 indent ) Direct pressure causes disc to burst
  68.24           .... (4 indent ) Two-way rupture disc
  68.25           .... (4 indent ) Dome shape
  68.26           .... (5 indent ) Reverse buckling
  68.27           ... (3 indent ) Specific weakening point
  68.28           ... (3 indent ) Integral disc assembly
  68.29           ... (3 indent ) Knife or cutter causes disc to break
  68.3           .... (4 indent ) Movable knife or cutter
  69           .. (2 indent ) With counterbalancing element
  70           .. (2 indent ) Frangible element returns pressure responsive valve
  71           .. (2 indent ) Having pressure responsive valve
  72           . (1 indent ) Heat destructible or fusible
  73           .. (2 indent ) With second sensing means
  74           .. (2 indent ) In fluid flow path
  75           .. (2 indent ) Safety cut-off
  76           ... (3 indent ) With heater for destructible or fusible element
  77           ... (3 indent ) With external closing means
  78.1           AMBIENT CONDITION CHANGE RESPONSIVE
  78.2           . (1 indent ) For controlling soil irrigation
  78.3           .. (2 indent ) Soil moisture sensing
  78.4           . (1 indent ) Burner gas cutoff
  78.5           . (1 indent ) Atmospheric
  79           .. (2 indent ) Temperature
  80           ... (3 indent ) With additional diverse control
  81.1           .. (2 indent ) Pressure
  81.2           . (1 indent ) Underwater
  803           FLOW AFFECTED BY FLUID CONTACT, ENERGY FIELD OR COANDA EFFECT (E.G., PURE FLUID DEVICE OR SYSTEM)
  804           . (1 indent ) Responsive to condition external of system
  805           .. (2 indent ) And causing change or correction of sensed condition
  806           . (1 indent ) Utilizing diverse fluids
  807           . (1 indent ) Utilizing particular fluid
  808           . (1 indent ) Means to cause rotational flow of fluid (e.g., vortex generator)
  809           .. (2 indent ) Plural vortex generators
  810           .. (2 indent ) Vortex generator as control for system
  811           .. (2 indent ) Vortex generator in interaction chamber of device
  812           .. (2 indent ) By tangential input to axial output (e.g., vortex amplifier)
  813           ... (3 indent ) With means to vary input or output of device
  814           . (1 indent ) System comprising plural fluidic devices or stages
  815           .. (2 indent ) Plural power inputs (e.g., parallel inputs)
  816           ... (3 indent ) Variable or different-value power inputs
  817           .... (4 indent ) Pulsating power input and continuous-flow power input
  818           ... (3 indent ) With variable or selectable source of control-input signal
  819           ... (3 indent ) To cascaded plural devices
  820           .... (4 indent ) With feedback passage(s) between devices of cascade
  821           .... (4 indent ) With pulsed control-input signal
  822           . (1 indent ) Plural power inputs to single device
  823           .. (2 indent ) Intersecting at interaction region (e.g., comparator)
  824           ... (3 indent ) Co-lineal, oppositely-directed power inputs (e.g., impact modulator)
  825           . (1 indent ) Means to regulate or vary operation of device
  826           .. (2 indent ) To vary frequency of pulses or oscillations
  827           .. (2 indent ) By non-fluid energy field affecting input (e.g., transducer)
  828           ... (3 indent ) Acoustical or thermal energy
  829           .. (2 indent ) By movable element
  830           ... (3 indent ) Operating at timed intervals (e.g., to produce pulses)
  831           ... (3 indent ) Electrically-actuated element (e.g., electro-mechanical transducer)
  832           ... (3 indent ) Means (e.g., valve) in control input
  833           . (1 indent ) Structure of body of device
  834           . (1 indent ) Device including passages having V over T configuration
  835           .. (2 indent ) And feedback passage(s) or path(s)
  836           .. (2 indent ) With particular characteristics of control input
  837           ... (3 indent ) Multiple control-input passages
  838           .. (2 indent ) And multiple or joined power-outlet passages
  839           .. (2 indent ) And enlarged interaction chamber
  840           .. (2 indent ) And vent passage(s)
  841           . (1 indent ) Device including passages having V over gamma configuration
  842           . (1 indent ) Device including linearly-aligned power stream emitter and power stream collector
  82           PRESSURE MODULATING RELAYS OR FOLLOWERS
  83           . (1 indent ) Jet control type
  84           . (1 indent ) Plural series units
  85           . (1 indent ) With counter-balancing pressure feedback to the modulating device
  86           .. (2 indent ) With counter-counter balancing pressure feedback
  87.01           SELF-PROPORTIONING OR CORRELATING SYSTEMS
  88           . (1 indent ) Mixture condition maintaining or sensing
  89           .. (2 indent ) Dividing and recombining flow
  91           .. (2 indent ) By specific gravity
  92           .. (2 indent ) By viscosity or consistency
  93           .. (2 indent ) By optical or chemical property
  94           . (1 indent ) Fuel controlled by boiler or water system condition
  98           . (1 indent ) Self-proportioning flow systems
  99           .. (2 indent ) Interconnected flow displacement elements
  99.5           ... (3 indent ) Movable trap chamber
  100           .. (2 indent ) Flow comparison or differential response
  101           ... (3 indent ) Flow dividers (e.g., reversely acting controls)
  101.11           ... (3 indent ) Main line flow displaces or entrains material from reservoir
  101.19           ... (3 indent ) With electrical controller
  101.21           .. (2 indent ) Flow displacement element actuates electrical controller
  101.25           .. (2 indent ) Liquid level response
  101.27           ... (3 indent ) Float controlled weir or valve
  101.29           ... (3 indent ) Swinging outlet pipe controller
  101.31           .. (2 indent ) With measuring type discharge assistant
  102           . (1 indent ) Supply and exhaust type
  103           .. (2 indent ) Vacuum or suction pulsator type (e.g., milking machine)
  104           ... (3 indent ) With trip linkage or snap action
  105           ... (3 indent ) With pulsation responsive pilot valve
  106           .. (2 indent ) Reversing or 4-way valve systems
  107           .. (2 indent ) Waste responsive to flow stoppage
  109           . (1 indent ) Self-controlled branched flow systems
  110           .. (2 indent ) Dividing and recombining
  111           .. (2 indent ) Plural inflows
  112           ... (3 indent ) Alternate or successive inflows
  113           .... (4 indent ) Control by depletion of source
  114           ... (3 indent ) One inflow supplements another
  115.01           .. (2 indent ) Bypass or relief controlled by main line fluid condition
  115.02           ... (3 indent ) Liquid level responsive
  115.03           ... (3 indent ) Flow rate responsive
  115.04           .... (4 indent ) Including controlling main line flow
  115.05           .... (5 indent ) Relief or bypass closes as main opens
  115.06           .... (4 indent ) Bypass or relief valve biased open
  115.07           .... (4 indent ) Pilot valve operated
  115.08           .... (4 indent ) Carried choke
  115.09           .... (4 indent ) Choke
  115.1           .... (5 indent ) Variable choke resistance
  115.11           .... (4 indent ) Venturi
  115.12           .... (4 indent ) Flapper
  115.13           ... (3 indent ) Pressure responsive
  116.3           .... (4 indent ) With pressure reducing inlet valve
  116.5           .... (5 indent ) Relief port through common sensing means
  115.14           .... (4 indent ) Common sensor for both bypass or relief valve and other branch valve
  115.15           .... (5 indent ) Bypass or relief valve opens as other branch valve closes
  115.16           .... (4 indent ) Bypass or relief valve biased open
  115.17           .... (5 indent ) Increasing pressure progressively closes then reopens by-pass or relief valve
  115.18           .... (4 indent ) Bypass or relief valve responsive to pressure downstream of outlet valve
  115.19           .... (5 indent ) Pilot valve
  115.2           .... (5 indent ) Outlet valve carried by bypass or relief valve
  115.21           .... (4 indent ) Plural sensors for single bypass or relief valve
  115.22           .... (5 indent ) Sensors interconnected by timing or restrictive orifice
  115.23           .... (4 indent ) Pilot valve operated
  115.24           .... (4 indent ) Mechanical movement between sensor and valve
  115.25           .... (4 indent ) Electrical control
  115.26           .... (4 indent ) Sensor rigid with valve
  115.27           .... (5 indent ) Flexible sensor
  115.28           .... (5 indent ) Pressure responsive outlet valve
  118.01           .. (2 indent ) Plural outflows
  118.02           ... (3 indent ) Single actuator operates plural outlets simultaneously
  118.03           ... (3 indent ) Biased open isolation valve
  118.04           ... (3 indent ) Flow rate responsive
  118.05           .... (4 indent ) Primer valve
  118.06           ... (3 indent ) Pressure responsive
  118.07           .... (4 indent ) With external control for correlating valve (e.g., manual)
  119.01           ... (3 indent ) Alternately or successively substituted outflow
  120           .... (4 indent ) Control by filling auxiliary gravitating or float operating tank
  121           .... (4 indent ) Control by filling outlet tank or receiver
  122           .... (5 indent ) Float controlled
  119.02           .... (4 indent ) Four port reversing valve
  119.03           .... (4 indent ) Responsive to pressure or flow interruption
  119.04           .... (5 indent ) Plural outlets control with automatic reset
  119.05           .... (5 indent ) Manually set to a single outflow position
  119.06           .... (4 indent ) Flow rate responsive
  119.07           .... (5 indent ) Flow sensing turbine
  119.08           .... (4 indent ) Pressure responsive
  119.09           .... (5 indent ) Responsive to outlet pressure
  119.1           .... (4 indent ) Electrical control
  87.02           . (1 indent ) Liquid level responsive
  87.03           . (1 indent ) Flow rate responsive
  87.04           .. (2 indent ) Pressure differential
  87.05           . (1 indent ) Plural sensors
  87.06           .. (2 indent ) For single valve
  123           SIPHONS
  124           . (1 indent ) Plural
  125           .. (2 indent ) Tank truck mounted
  126           .. (2 indent ) Sequentially discharging in parallel
  127           ... (3 indent ) From plural tanks
  128           .. (2 indent ) Main siphon with auxiliary starting, stopping or resetting siphon
  129           ... (3 indent ) Sinking or bucket-type float operated main siphon, float emptying auxiliary siphon
  130           . (1 indent ) With discharge-controlling receiver
  131           .. (2 indent ) With float
  132           . (1 indent ) Periodic or accumulation responsive discharge
  133           .. (2 indent ) With manual control
  134           .. (2 indent ) Control by filling auxiliary tank
  135           .. (2 indent ) Float-operated inlet to siphon
  136           .. (2 indent ) Release of trapped air
  137           ... (3 indent ) Through float-operated vent
  138           ... (3 indent ) Through liquid trap seal
  139           .... (4 indent ) Auxiliary liquid trap seal
  140           . (1 indent ) With strainer, filter, separator or sediment trap
  141           . (1 indent ) With recorder, register, signal, indicator or inspection window
  142           . (1 indent ) With flow starting, stopping or maintaining means
  143           .. (2 indent ) Siphon venting or breaking
  144           .. (2 indent ) With leakage or entrained air removal
  145           .. (2 indent ) Pressure applied to liquid in supply chamber
  146           .. (2 indent ) Plunge or immersion starting
  147           .. (2 indent ) Pump or liquid displacement device for flow passage
  148           ... (3 indent ) Piston
  149           .... (4 indent ) Co-axial within flow passage
  150           ... (3 indent ) Collapsible bulb
  150.5           .. (2 indent ) Siphon inlet movable to and from seat
  151           .. (2 indent ) With valve or closure in-flow passage
  152           . (1 indent ) With means for mounting and/or positioning relative to siphon chamber
  153           . (1 indent ) Elements
  154           DIVERSE FLUID CONTAINING PRESSURE SYSTEMS
  155           . (1 indent ) Gas lift valves for wells
  156           . (1 indent ) Gas pressure discharge of liquids feed traps (e.g., to boiler)
  157           .. (2 indent ) Gas pressure controlled by amount of liquids in boiler or discharge receiver
  158           ... (3 indent ) Pressure connection at liquid level in boiler or discharge receiver
  159           .. (2 indent ) Gas pressure controlled by amount of liquid in trap
  160           ... (3 indent ) Plural trap chambers
  161           .... (4 indent ) Gravitating
  162           ... (3 indent ) Gravitating vessel
  163           .... (4 indent ) Sinking or bucket type float
  164           .... (4 indent ) Pivoted vessel with fluid passage through pivot
  165           ... (3 indent ) Float responsive
  166           .... (4 indent ) Liquid control valve positively actuated
  167           .... (4 indent ) Gas condensing type
  168           .... (4 indent ) Gas inlet and outlet valves unitary
  169           .. (2 indent ) Gas pressure controlled by manual or cyclic means
  170           ... (3 indent ) Movable trap chamber
  170.1           . (1 indent ) Foam control in gas charged liquids
  170.2           .. (2 indent ) Level or pressure responsive
  170.3           .. (2 indent ) Separate handling of foam
  170.4           .. (2 indent ) With conditioning trap or chamber
  170.5           ... (3 indent ) Recarbonation
  170.6           ... (3 indent ) With trap or chamber by-pass
  171           . (1 indent ) Fluid separating traps or vents
  172           .. (2 indent ) Liquids separated from liquid
  173           .. (2 indent ) Plural discriminating outlets for diverse fluids
  174           ... (3 indent ) Common actuator for control valves
  175           ... (3 indent ) Choke or restricted passage gas bleed
  176           .... (4 indent ) From above liquid level
  177           .. (2 indent ) Discriminating outlet for liquid
  178           ... (3 indent ) With alternately operated inlet and outlet valves
  179           ... (3 indent ) With non-discriminating gas vent or liquid discharge
  180           .... (4 indent ) Abnormal pressure responsive liquid blow-off or drain
  181           .... (4 indent ) Manual control
  182           ... (3 indent ) With auxiliary inlet or by-pass valve
  183           ... (3 indent ) With fluid responsive valve
  184           .... (4 indent ) Successively opened valves
  185           .... (4 indent ) Gas collecting float (e.g., inverted bucket)
  186           .... (5 indent ) Downstream from valve
  187           .... (4 indent ) Level responsive
  188           .... (5 indent ) Weight or pressure
  189           ..... (6 indent ) Gravitating vessel
  190           ...... (7 indent ) Sinking or bucket type float
  191           ....... (8 indent ) Servo-control
  192           .... (5 indent ) Float
  193           ..... (6 indent ) With main line gas outlet from trap chamber
  194           ..... (6 indent ) With outlet extending above liquid in trap
  195           ..... (6 indent ) Servo-control
  196           ..... (6 indent ) With pressure balanced outlet valve
  197           .. (2 indent ) Discriminating outlet for gas
  198           ... (3 indent ) With reverse flow stop or pressure regulating valve
  199           ... (3 indent ) Fluid sensing valve
  200           .... (4 indent ) With vaporized liquid stop
  201           .... (5 indent ) With separate return for condensate
  202           .... (4 indent ) Float responsive
  203           .. (2 indent ) With liquid emptying means
  204           ... (3 indent ) Self-emptying
  205           . (1 indent ) Liquid filling by evacuating container
  205.5           . (1 indent ) Main line flow displaces additive from shunt reservoir
  206           . (1 indent ) Gas pressure storage over or displacement of liquid
  207           .. (2 indent ) Surge suppression
  207.5           .. (2 indent ) With return of liquid to supply
  208           .. (2 indent ) Plural units
  209           .. (2 indent ) With gas maintenance or application
  210           ... (3 indent ) Gas carried by or evolved from liquid
  211           .... (4 indent ) Gas injectors
  211.5           ... (3 indent ) Gas injected by liquid pressure or flow
  212           ... (3 indent ) Unitary mounting for gas pressure inlet and liquid outlet
  213           .. (2 indent ) With liquid level responsive gas vent or whistle
  214           ... (3 indent ) Combined high and low level responsive
  215           BACK FLOW PREVENTION BY VACUUM BREAKING (E.G., ANTI-SIPHON DEVICES)
  216           . (1 indent ) Air vent in liquid flow line
  216.1           .. (2 indent ) With liquid seal in liquid flow line
  216.2           ... (3 indent ) Automatic valve in vent line
  217           .. (2 indent ) Valved
  218           ... (3 indent ) With co-acting valve in liquid flow path
  219           LARNER-JOHNSON TYPE VALVES; I.E., TELESCOPING INTERNAL VALVE IN EXPANDED FLOW LINE SECTION
  220           . (1 indent ) Line condition change responsive
  221           . (1 indent ) Internal servo-motor with internal pilot valve
  222           .. (2 indent ) Pilot controlled passage in nose or needle
  223           INFLATABLE ARTICLE (E.G., TIRE FILLING CHUCK AND/OR STEM)
  224           . (1 indent ) With pressure-responsive pressure-control means
  224.5           .. (2 indent ) Pulsating
  225           .. (2 indent ) Diaphragm, bellows or expansible tube
  226           .. (2 indent ) Co-axial inflation and relief valves
  227           . (1 indent ) With gauge or indicator
  228           .. (2 indent ) With deflating means
  229           .. (2 indent ) Selectively connected
  230           . (1 indent ) Stem attached relief valve
  231           . (1 indent ) With coupling means
  232           . (1 indent ) With cap
  233           .. (2 indent ) Valve actuating, assembling or locking means on cap
  234           ... (3 indent ) Valve manually seated
  234.5           . (1 indent ) Removable valve head and seat unit (valve insides)
  234.6           WITH VEHICLE GUIDE OR SUPPORT, E.G., SERVICE STATION
  236.1           DISTRIBUTION SYSTEMS INVOLVING GEOGRAPHIC FEATURES
  237           WITH CLEANER, LUBRICATION ADDED TO FLUID OR LIQUID SEALING AT VALVE INTERFACE
  238           . (1 indent ) Cleaning or steam sterilizing
  239           .. (2 indent ) Reverse fluid flow
  240           .. (2 indent ) With separate material addition
  241           .. (2 indent ) Steam sterilizing
  242           .. (2 indent ) Mechanical cleaning
  243           ... (3 indent ) Valve grinding motion of valve on seat
  243.1           .... (4 indent ) Concentric stem
  243.2           .... (4 indent ) Spring pressed
  243.3           .... (4 indent ) Lost motion permits grinding
  243.4           .... (4 indent ) With swivel-preventing means
  243.5           .... (4 indent ) Nut releasable from body and/or stem
  243.6           .... (4 indent ) With independent grinding actuator
  243.7           .... (5 indent ) Separable
  244           ... (3 indent ) Cleaning member reciprocates in passage
  245           .... (4 indent ) By-pass cleaning
  245.5           .... (4 indent ) Independent actuation
  246           . (1 indent ) Liquid supplied at valve interface
  246.11           .. (2 indent ) Plural feed
  246.12           .. (2 indent ) Line pressure feed
  246.13           .. (2 indent ) Feed by or with actuation
  246.14           .. (2 indent ) Loss control
  246.15           .. (2 indent ) Screw feed
  246.16           ... (3 indent ) With check valve
  246.17           .... (4 indent ) Excess relief
  246.18           .... (4 indent ) Jacking
  246.19           ... (3 indent ) Jacking
  246.2           ... (3 indent ) Seating
  246.21           .. (2 indent ) Spring biased piston feed
  246.22           .. (2 indent ) External pressure
  246.23           .. (2 indent ) Gravity or capillary feed
  247           WITH LIQUID VALVES OR LIQUID TRAP SEALS
  247.11           . (1 indent ) Liquid seal in liquid flow line; flow liquid forms seal
  247.13           .. (2 indent ) Valves
  247.15           ... (3 indent ) Line condition change responsive
  247.17           .... (4 indent ) Plural valves or valve seats
  247.19           .... (4 indent ) Pivoted valve
  247.21           .... (4 indent ) Ball valve
  247.23           .... (5 indent ) Seats vertically up
  247.25           .. (2 indent ) Seal replenishers
  247.27           .. (2 indent ) Plural inlet
  247.29           .. (2 indent ) Divided and recombined passages
  247.31           .. (2 indent ) Tangential inlet flow
  247.33           .. (2 indent ) Downward partition encircles projecting outlet
  247.35           .. (2 indent ) Submerged inlet pipe end
  247.37           ... (3 indent ) Hinged seal bowl
  247.39           ... (3 indent ) Distinct seal bowl in flow line connected casing
  247.41           .. (2 indent ) U-seals
  247.43           ... (3 indent ) Topside access beneath cover plate closed floor opening
  247.45           ... (3 indent ) Enlarged upflow leg
  247.47           .... (4 indent ) Topside access opening
  247.49           ... (3 indent ) Even diameter legs
  247.51           .... (4 indent ) Access opening
  248           . (1 indent ) Seal for relatively movable valving parts
  249           .. (2 indent ) Horizontally moving valve
  250           ... (3 indent ) Rotary
  251.1           . (1 indent ) Liquid valves
  252           .. (2 indent ) Branched passage for sealing liquid
  253           .. (2 indent ) With auxiliary means for varying liquid level
  254           .. (2 indent ) With baffle
  255           PLURAL TANKS OR COMPARTMENTS WITH PARALLEL FLOW
  256           . (1 indent ) Sequentially filled and emptied (e.g., holding type)
  257           .. (2 indent ) With relative rotation of tank group and filling head
  258           ... (3 indent ) With rotary filling and emptying head
  259           . (1 indent ) With housings, supports or stacking arrangements
  260           . (1 indent ) Battery or electrolytic cell replenishment
  261           .. (2 indent ) Barometric supply
  262           . (1 indent ) Flow dividing compartments
  263           . (1 indent ) Tank type manifold (i.e., one tank supplies or receives from at least two others)
  264           . (1 indent ) Tank within tank
  265           . (1 indent ) With cross connecting passage
  266           . (1 indent ) With manifold or grouped outlets
  267           .. (2 indent ) Tank truck type
  268           WITH HOLDER FOR SOLID, FLAKY OR PULVERIZED MATERIAL TO BE DISSOLVED OR ENTRAINED
  269           CONVERTIBLE
  269.5           . (1 indent ) Reversible check
  270           . (1 indent ) Unit orientable in a single location between plural positions
  270.5           .. (2 indent ) Reversible stop and vent or waste
  271           . (1 indent ) Units interchangeable between alternate locations
  272           HYDRANT TYPE
  273           . (1 indent ) Water crane type
  274           .. (2 indent ) Spout operated valve
  275           .. (2 indent ) Rotating riser
  276           ... (3 indent ) Spout articulated to riser
  277           ... (3 indent ) Vertically movable riser
  278           .. (2 indent ) Extensible spout
  279           .. (2 indent ) Spout articulated to riser
  280           . (1 indent ) Plural riser
  281           . (1 indent ) Expansible chamber operated by valve actuator for draining riser
  282           . (1 indent ) With pump or ejector
  283           . (1 indent ) Removable valve and valve seat
  284           .. (2 indent ) With extension to facilitate removal
  285           . (1 indent ) Removable valve with supplemental check valve
  286           . (1 indent ) Movable riser actuated valve
  287           .. (2 indent ) Reciprocating riser
  288           ... (3 indent ) Piston type valve
  289           . (1 indent ) Balanced valve
  290           . (1 indent ) Valve actuator extends laterally from bottom of riser
  291           . (1 indent ) Valve actuator outside riser
  292           .. (2 indent ) Lever actuator
  293           .. (2 indent ) With casing, flush with ground or pavement surface
  294           . (1 indent ) With casing
  295           .. (2 indent ) Flush with ground or pavement surface
  296           .. (2 indent ) Cap, cover or hood
  297           .. (2 indent ) With heater
  298           . (1 indent ) With actuator lubricating means
  299           . (1 indent ) With valve at outlet
  300           . (1 indent ) With supplemental valve
  301           . (1 indent ) Protection against freezing
  302           .. (2 indent ) Stop and waste
  303           ... (3 indent ) With disabling means
  304           ... (3 indent ) Separate relatively movable valves with single actuator
  305           .... (4 indent ) Unidirectional abutting connection between main valve or actuator and waste valve
  306           .... (4 indent ) With screw or gear in actuating mechanism
  307           ... (3 indent ) Reciprocating relatively fixed valves
  308           .... (4 indent ) Waste through lower valve guide
  309           REVERSING VALVES - REGENERATIVE FURNACE TYPE
  310           . (1 indent ) With cooling
  311           . (1 indent ) Rotary reversing valve
  312           WITH LEAKAGE OR DRIP COLLECTING
  313           . (1 indent ) Relatively movable receptacle or drain pipe and outlet
  314           . (1 indent ) Collector for waste liquid derived from solid, gas or vapor
  315.01           WITH REPAIR, TAPPING, ASSEMBLY, OR DISASSEMBLY MEANS
  315.02           . (1 indent ) Blow out preventer or choke valve device (e.g., oil well flow controlling device, etc.)
  315.03           . (1 indent ) Solenoid or electromagnetically operated valve
  315.04           . (1 indent ) Pressure regulating type valve
  315.05           .. (2 indent ) Diaphragm type
  315.06           . (1 indent ) Gas or water meter replacing
  315.07           . (1 indent ) Assembling or disassembling flexible tube or sleeve type valve
  315.08           . (1 indent ) Assembling or disassembling float or float valve
  315.09           . (1 indent ) Assembling or disassembling multi way valve
  315.11           . (1 indent ) Assembling, disassembling, or removing cartridge type valve (e.g., insertable and removable as a unit, etc.)
  315.12           .. (2 indent ) Faucet type (e.g., domestic water use, etc.)
  315.13           ... (3 indent ) Including removable valve head and seat unit
  315.14           ... (3 indent ) Including mechanical movement actuator
  315.15           ... (3 indent ) Particular handle or handle fastening means
  315.16           . (1 indent ) Assembling or disassembling pivoted valve
  315.17           . (1 indent ) Assembling or disassembling rotary valve
  315.18           .. (2 indent ) Rotary ball valve
  315.19           ... (3 indent ) Particular valve seat or interface seal
  315.2           .... (4 indent ) Replaceable
  315.21           .... (5 indent ) With top entry valve
  315.22           .. (2 indent ) Butterfly valve
  315.23           ... (3 indent ) Having valve head or seat packing
  315.24           ... (3 indent ) With head and stem collections
  315.25           .. (2 indent ) Plug valve
  315.26           ... (3 indent ) Having retainer at actuator end
  315.27           . (1 indent ) Assembling or disassembling reciprocating valve
  315.28           .. (2 indent ) Having particularly packed or sealed mechanical movement actuator
  315.29           .. (2 indent ) Gate valve
  315.3           ... (3 indent ) Bifaced
  315.31           ... (3 indent ) Having particular valve seat
  315.32           .... (4 indent ) Including seal
  315.33           . (1 indent ) Assembling or disassembling check valve
  315.35           . (1 indent ) With mechanical movement between actuator and valve
  315.36           .. (2 indent ) Plural motions of valve
  315.37           .. (2 indent ) Lever type
  315.38           .. (2 indent ) Gear type
  315.39           .. (2 indent ) Cam type
  315.4           .. (2 indent ) Screw type
  315.41           . (1 indent ) Tool for applying or removing valve or valve member
  315.42           .. (2 indent ) Including sealing feature
  316           . (1 indent ) With holding means functioning only during transportation assembly or disassembly
  317           . (1 indent ) Tapping a pipe, keg, or apertured tank under pressure
  318           .. (2 indent ) With aperture forming means
  319           .. (2 indent ) Imperforate closure removing and holding tap
  320           .. (2 indent ) With valved closure or bung
  321           ... (3 indent ) Combined rotary and longitudinal movement of valve
  322           ... (3 indent ) Longitudinal movement of valve
  323           ... (3 indent ) Rotary movement of valve
  324           .. (2 indent ) With core ejectors
  325           ... (3 indent ) Impact operated
  326           . (1 indent ) Foot valve extraction from top of enclosure
  327           . (1 indent ) With disassembly tool engaging feature
  328           .. (2 indent ) Wrench engaging lugs
  329           . (1 indent ) With provision of alternate wear parts
  329.01           .. (2 indent ) Valve heads and/or seats
  329.02           ... (3 indent ) Opposite duplicate surfaces of unitary structure
  329.03           .... (4 indent ) Homogeneous material
  329.04           .... (5 indent ) Valve heads
  329.05           ... (3 indent ) Different portions of continuous surfaces
  329.06           ... (3 indent ) Successively used adjacent independent elements
  329.1           . (1 indent ) Removable valve with normally disabled supplemental check valve
  329.2           .. (2 indent ) Check valve disabled by normally movable main valve part
  329.3           ... (3 indent ) Ball check
  329.4           ... (3 indent ) Spring bias
  330           NON-VALVING MOTION OF THE VALVE OR VALVE SEAT
  331           . (1 indent ) Rotary motion of a reciprocating valve
  332           .. (2 indent ) Turbine on valve
  333           .. (2 indent ) Manual rotating means
  334           WITH HEATING OR COOLING OF THE SYSTEM
  335           . (1 indent ) With burner
  336           .. (2 indent ) Flue extending through fluid
  337           . (1 indent ) Hot and cold water system having a connection from the hot to the cold channel
  338           . (1 indent ) Air heated or cooled (fan, fins, or channels)
  339           . (1 indent ) With diversion of part of fluid to heat or cool the device or its contents
  340           . (1 indent ) Circulating fluid in heat exchange relationship
  341           . (1 indent ) With electric heating element
  342           WITH FLUID SYSTEM SUPPORT FOR WORKMAN OR NON-SYSTEM MATERIAL
  343           WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS
  899           . (1 indent ) Vehicle
  345           .. (2 indent ) Locomotive
  346           ... (3 indent ) Boiler or steam dome
  347           .. (2 indent ) Railway car
  348           ... (3 indent ) Car frame
  349           ... (3 indent ) End of car
  350           ... (3 indent ) Roof, wall or floor
  351           .. (2 indent ) Automotive
  352           ... (3 indent ) Steering post or wheel
  353           ... (3 indent ) Dash
  354           ... (3 indent ) Floor or frame
  355           ... (3 indent ) Fender or running board
  355.12           .. (2 indent ) With hose reel storage means
  899.1           .. (2 indent ) Guided by means of track or guideway
  899.2           .. (2 indent ) Aerial or water-supported (e.g., airplane or ship, etc.)
  899.3           .. (2 indent ) With retractable or nonuse-positionable support wheel
  899.4           .. (2 indent ) Vehicle supports fluid compressor and compressed fluid storage tank
  355.16           . (1 indent ) With hose storage or retrieval means
  355.17           .. (2 indent ) With means for plural hoses
  355.18           .. (2 indent ) With flow regulation responsive to hose movement
  355.19           ... (3 indent ) Reel type
  355.2           .. (2 indent ) With retrieval means
  355.21           ... (3 indent ) Power stop or brake
  355.22           .... (4 indent ) Responsive to position of hose in casing
  355.23           ... (3 indent ) Biased to retracted position
  355.24           .... (4 indent ) Boom type
  355.25           .... (4 indent ) Weighted
  355.26           .. (2 indent ) Reel with support therefor
  355.27           ... (3 indent ) Ground supported
  355.28           .. (2 indent ) Basket or holder for folded coiled hose
  356           . (1 indent ) Static constructional installations
  357           .. (2 indent ) Buildings
  358           ... (3 indent ) Outside access to portions of the system
  359           ... (3 indent ) Escutcheon type support
  360           ... (3 indent ) Wall
  361           .... (4 indent ) Recessed gas outlet box
  362           ... (3 indent ) Floor installation
  363           .. (2 indent ) Ground supporting enclosure
  364           ... (3 indent ) Valve and meter wells
  365           .... (4 indent ) With means to center well on valve
  366           .... (5 indent ) Detachable base plate
  367           .... (5 indent ) Vertical casing aligned by valve casing
  368           .... (4 indent ) Combined with actuator
  369           .... (5 indent ) Telescopic well casing
  370           .... (4 indent ) Telescopic well casing
  371           .... (4 indent ) Covers
  372           ... (3 indent ) Pipe line transport
  373           .. (2 indent ) Tapering or tower type
  374           . (1 indent ) Furniture and housing furnishings
  375           . (1 indent ) Jacketed
  376           . (1 indent ) Tank supports
  377           . (1 indent ) Guards and shields
  378           .. (2 indent ) Resilient abutment for preventing breakage
  379           .. (2 indent ) Nozzle abutment for scratch or damage prevention
  380           .. (2 indent ) Cover for beer cooler aperture for faucet
  381           .. (2 indent ) Sanitary covers or shields
  382           .. (2 indent ) Valve guards
  382.5           ... (3 indent ) With means for accommodating a detachable actuator
  383           WITH LOCK OR SEAL
  384           . (1 indent ) With seal
  384.2           . (1 indent ) Common lock and valve actuator
  384.4           .. (2 indent ) Combination lock
  384.6           .. (2 indent ) Biased valve
  384.8           .. (2 indent ) Mechanical movement between lock and valve
  385           . (1 indent ) Locks against rotary motion
  386           LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS
  387           . (1 indent ) Washing machine cycle control
  388           . (1 indent ) Liquid excluding devices for gas inlet or outlets
  389           . (1 indent ) With second diverse control
  390           .. (2 indent ) Manual control
  391           . (1 indent ) Control of both inflow and outflow of tank
  392           . (1 indent ) Electrical characteristic sensing
  393           . (1 indent ) With control fluid connection at desired liquid level
  395           . (1 indent ) Control of outflow from tank
  396           .. (2 indent ) Self-emptying tanks
  397           ... (3 indent ) By float
  398           .. (2 indent ) By float
  399           ... (3 indent ) Low level safety cut-off
  400           . (1 indent ) With supplemental or safety closing means or bias
  401           .. (2 indent ) Sinking or bucket type float
  402           .. (2 indent ) Gravitating tank
  403           . (1 indent ) By weight of accumulated fluid
  404           .. (2 indent ) In sinking or bucket type float
  405           .. (2 indent ) Oil burner fuel overflow preventing safety cut-offs
  406           .. (2 indent ) In communicating measuring vessel
  407           ... (3 indent ) Top and bottom connections
  408           .. (2 indent ) In gravitating tank
  409           . (1 indent ) By float controlled valve
  410           .. (2 indent ) Valve opened by external means, closing or closing control by float
  411           .. (2 indent ) Single float controls plural valves
  412           .. (2 indent ) Servo relay operation of control
  413           ... (3 indent ) Fluid pressure
  414           .... (4 indent ) Flexible diaphragm valve
  415           .... (4 indent ) From tank
  416           .. (2 indent ) Quick acting
  417           ... (3 indent ) Pilot float released
  418           ... (3 indent ) Over center mechanism
  419           .... (4 indent ) Shifting weight
  420           ... (3 indent ) Trip mechanism
  421           .... (4 indent ) Weight or spring bias
  422           ... (3 indent ) Lost motion mechanism
  423           .. (2 indent ) Plural floats
  424           .. (2 indent ) With counter-balance
  425           ... (3 indent ) Within tank
  426           .. (2 indent ) Level adjustment or selection means
  427           .. (2 indent ) With float leakage disposal
  428           .. (2 indent ) In separate communicating float chamber
  429           .. (2 indent ) Rectilinearly traveling float
  430           ... (3 indent ) Float co-axial with valve or port
  431           .... (4 indent ) Float is spreader or anti-splash means
  432           .... (4 indent ) Float surrounds inlet pipe
  433           .... (4 indent ) Float rigid with valve
  434           .. (2 indent ) Float arm operated valve
  435           ... (3 indent ) With valve retarder or cushion means
  436           ... (3 indent ) With flow guide or restrictor
  437           .... (4 indent ) External hood or deflector or annular outlet surrounding the inlet pipe
  438           ... (3 indent ) Movable nozzle or inlet terminal
  439           ... (3 indent ) Valve removable from outside container
  440           ... (3 indent ) With U-shaped inlet pipe having terminal valve
  441           ... (3 indent ) With refill pipe
  442           ... (3 indent ) Assembly mounted on and having reciprocating valve element coaxial with inlet pipe
  443           .... (4 indent ) Horizontal or side entering pipe
  444           .... (4 indent ) Vertical inlet riser
  445           ... (3 indent ) With toggle or second lever connected to valve
  446           ... (3 indent ) With interposed cam, gear or threaded connection
  447           ... (3 indent ) Rotary valve element
  448           ... (3 indent ) Pivoted valve
  449           ... (3 indent ) Ball valves
  450           ... (3 indent ) Balanced valves
  451           ... (3 indent ) Flexible valve
  453           . (1 indent ) Barometric
  454           .. (2 indent ) With shut-off between supply tank and receiver
  454.2           REMOVABLE VALVE HEAD AND SEAT UNIT
  454.4           . (1 indent ) Pump type
  454.5           . (1 indent ) Threaded into valve casing
  454.6           . (1 indent ) Retained by bonnet or closure
  455           LINE CONDITION CHANGE RESPONSIVE VALVES
  456           . (1 indent ) Safety cut-off requiring reset
  457           .. (2 indent ) Thermal
  458           .. (2 indent ) Responsive to both high and low pressure or velocity
  459           .. (2 indent ) Responsive to change in rate of flow
  460           ... (3 indent ) Excessive flow cut-off
  461           .. (2 indent ) High pressure cut-off
  462           .. (2 indent ) Reset by pressure equalization valve or by-pass
  463           .. (2 indent ) Fluid released trip
  464           .. (2 indent ) Fluid counter-biased or unseated valve
  465           ... (3 indent ) With mechanical stop against reopening
  466           ... (3 indent ) With fluid pressure seating of valve
  467           . (1 indent ) Fluid opened valve requiring reset
  467.5           . (1 indent ) Consistency responsive
  468           . (1 indent ) Thermal responsive
  469           . (1 indent ) Pop valves
  470           .. (2 indent ) Pop closing valves
  471           .. (2 indent ) Pop pressure reactor in inflow to valve
  472           .. (2 indent ) Pop pressure reactor in branched released path
  473           ... (3 indent ) Separate relief valves or valves for each branch
  474           .. (2 indent ) Lost motion between pop pressure reactor and valve
  475           .. (2 indent ) Adjustable choke
  476           ... (3 indent ) Annular lip or baffle
  477           .... (4 indent ) On movable valve part
  478           .... (4 indent ) Screw threaded
  479           . (1 indent ) Combustion engine induction type
  480           .. (2 indent ) Valve in auxiliary inlet to induction line
  481           .. (2 indent ) With manual modifier
  482           .. (2 indent ) With suction compensator
  483           .. (2 indent ) With separate reactor surface
  484           .. (2 indent ) Unbalanced pivoted valve (e.g., unbalanced butterfly type)
  484.2           . (1 indent ) Line flow effect assisted
  484.4           .. (2 indent ) Reactor surface normal to flow
  484.6           .. (2 indent ) Reactor surface separated from flow by apertured partition
  484.8           ... (3 indent ) Through separate aperture
  485           . (1 indent ) Pilot or servo controlled
  486           .. (2 indent ) Responsive to change in rate of fluid flow
  487           ... (3 indent ) Control by pressures across flow line valve
  487.5           .. (2 indent ) Electrically actuated valve
  488           .. (2 indent ) Fluid pressure type
  489           ... (3 indent ) Choked or throttled pressure type
  490           .... (4 indent ) Pilot valve within main valve head
  491           .... (4 indent ) Choked passage through main valve head
  489.3           .... (4 indent ) Loose fitting piston
  489.5           .... (4 indent ) Pilot controls supply to pressure chamber
  492           ... (3 indent ) Single acting fluid servo
  492.5           .... (4 indent ) Spring biased
  493           . (1 indent ) Bi-directional flow valves
  493.1           .. (2 indent ) One head and seat carried by head of another
  493.2           ... (3 indent ) Supporting valve only spring biased
  493.3           ... (3 indent ) Supporting valve spring carried by supporting valve
  493.4           .... (4 indent ) Spring stop on supported valve stem
  493.5           .... (4 indent ) Spring abuts guide for supported valve stem
  493.6           ... (3 indent ) Both valves spring biased
  493.7           .. (2 indent ) Axes of ports perpendicular
  493.8           .. (2 indent ) Axes of ports parallel
  493.9           .. (2 indent ) Axes of ports co-axial
  494           . (1 indent ) With separate connected fluid reactor surface
  495           .. (2 indent ) With manual or external control for line valve
  496           .. (2 indent ) Valve closes in responses to reverse flow
  497           .. (2 indent ) Responsive to change in rate of fluid flow
  498           ... (3 indent ) Valve closes in response to excessive flow
  499           ... (3 indent ) Turbine or swinging vane type reactor
  500           ... (3 indent ) Expansible chamber subject to differential pressures
  501           .... (4 indent ) Pressures across fixed choke
  502           .... (4 indent ) With Venturi tube having a connection to throat
  503           .... (4 indent ) Pressures across flow line valve
  504           ... (3 indent ) Movable deflector or choke
  505           .. (2 indent ) With opening bias (e.g., pressure regulator)
  505.11           ... (3 indent ) With relief valve
  505.12           ... (3 indent ) Multi-stage
  505.13           ... (3 indent ) Senses inlet pressure
  505.14           ... (3 indent ) Bias variable during operation
  505.15           .... (4 indent ) Ancillary reactor surface responds to inlet pressure
  505.16           .... (4 indent ) Liquid transfer
  505.17           .... (4 indent ) Weight
  505.18           ... (3 indent ) Balanced valve
  505.19           ... (3 indent ) Liquid level responsive gas flow control
  505.2           ... (3 indent ) With protective separator
  505.21           ... (3 indent ) Main flow through isolated reactor chamber
  505.22           ... (3 indent ) Through external pipe
  505.23           .... (4 indent ) Modified valve casing
  505.24           .... (4 indent ) Adjustable external lever
  505.25           ... (3 indent ) Apertured reactor surface surrounds flow line
  505.26           ... (3 indent ) Reactor surface separated by apertured partition
  505.27           .... (4 indent ) In valve stem
  505.28           .... (5 indent ) Also through reactor surface
  505.29           .... (4 indent ) Valve stem passes through the aperture
  505.3           .... (5 indent ) Plural reactor surfaces
  505.31           .... (5 indent ) Reactor is an inverted cup having liquid seal
  505.32           ..... (6 indent ) With movement dampener
  505.33           ..... (6 indent ) Valve head in inlet chamber
  505.34           .... (5 indent ) Valve head in inlet chamber
  505.35           ..... (6 indent ) Rectilinear valve stem rigid with reactor surface
  505.36           .... (4 indent ) Reactor surface is diaphragm
  505.37           .... (5 indent ) With valve closing bias
  505.38           ... (3 indent ) Reactor surface closes chamber
  505.39           .... (4 indent ) Valve head in inlet chamber
  505.4           .... (5 indent ) Reactor surface is inverted cup (float)
  505.41           .... (5 indent ) Rectilinear valve stem rigid with reactor surface
  505.42           .... (5 indent ) With valve closing bias
  505.43           ..... (6 indent ) In reactor chamber
  505.44           .... (4 indent ) Valve head on yoke
  505.45           .... (5 indent ) Yoke has valve closing bias
  505.46           .... (4 indent ) Reactor operatively connected to valve by mechanical movement
  505.47           ... (3 indent ) With mechanical movement between actuator and valve
  506           .. (2 indent ) Plural valves biased closed
  507           .. (2 indent ) With means for mounting or connecting to system
  508           .. (2 indent ) Valve seat or external sleeve moves to open valve
  509           .. (2 indent ) Valve seating in direction of flow
  510           ... (3 indent ) Flexible diaphragm or bellows reactor
  511           . (1 indent ) Direct response valves (i.e., check valve type)
  512           .. (2 indent ) Plural
  512.1           ... (3 indent ) Dividing and recombining in a single flow path
  512.15           .... (4 indent ) Integral resilient member forms plural valves
  512.2           ... (3 indent ) One valve carries head and seat for second valve
  512.3           ... (3 indent ) Diverse types
  512.4           ... (3 indent ) Integral resilient member forms plural valves
  512.5           ... (3 indent ) With common biasing means
  513           ... (3 indent ) Mechanically interconnected
  513.3           .. (2 indent ) With leak passage
  513.5           ... (3 indent ) Permits flow at valve interface
  513.7           ... (3 indent ) Bypass in valve casing
  514           .. (2 indent ) With retarder or dashpot
  514.3           ... (3 indent ) End of valve forms dashpot chamber
  514.5           ... (3 indent ) End of valve moves inside dashpot chamber
  514.7           .... (4 indent ) Enlarged piston on end of valve stem
  515           .. (2 indent ) In couplings for coaxial conduits, e.g., drill pipe check valves
  515.3           ... (3 indent ) Valve seat threaded into a coupling element
  515.5           ... (3 indent ) Valve seat formed on or carried by a coupling element
  515.7           ... (3 indent ) Valve seat clamped between coupling elements
  516           .. (2 indent ) With means for selecting area of valve or seat
  516.11           .. (2 indent ) Single head, plural ports in parallel
  516.13           ... (3 indent ) Concentric ports
  516.15           ... (3 indent ) Annular head
  516.17           .... (4 indent ) Central post on seat
  516.19           .... (5 indent ) Stop
  516.21           ..... (6 indent ) With guide
  516.23           .... (5 indent ) Guide
  516.25           .. (2 indent ) Plural seating
  516.27           ... (3 indent ) Sequential
  516.29           .... (4 indent ) Resilient gasket
  517           .. (2 indent ) Biased open
  518           ... (3 indent ) Oppositely swinging vanes
  519           ... (3 indent ) Weight biased
  519.5           .... (4 indent ) Ball valves
  520           .... (4 indent ) Edge pivoted valve
  521           ... (3 indent ) Pivoted valves
  522           .. (2 indent ) With external means for opposing bias
  523           ... (3 indent ) With means for retaining external means in bias opposing position
  524           .. (2 indent ) With bias adjustment indicator
  843           .. (2 indent ) Resilient material valve
  844           ... (3 indent ) Having expansible port
  845           .... (4 indent ) Apertured plate
  846           .... (4 indent ) Having exit lip
  847           .... (5 indent ) With biasing means
  848           .... (5 indent ) Side vent
  849           .... (5 indent ) Multiple slit
  850           .... (5 indent ) Internally extending mount
  851           ... (3 indent ) Center flexing strip
  852           ... (3 indent ) With valve member flexing about securement
  853           .... (4 indent ) Sleeve
  854           .... (4 indent ) Central mount
  855           .... (4 indent ) Flap or reed
  856           .... (5 indent ) With stop
  857           .... (5 indent ) With spring
  858           .... (5 indent ) With weight
  859           .... (4 indent ) Peripherally secured diaphragm
  860           ... (3 indent ) Annulus
  526           .. (2 indent ) Vacuum relief type
  527           .. (2 indent ) Pivoted valves
  527.2           ... (3 indent ) Head retained by removable closure
  527.4           ... (3 indent ) Valve head movably connected for accommodation to seat
  527.6           ... (3 indent ) Valve mounted on end of pipe
  527.8           ... (3 indent ) Weight biased
  528           .. (2 indent ) Reciprocating valves
  529           ... (3 indent ) Plural biasing means
  530           ... (3 indent ) Cam means for adjusting and fixing bias
  531           ... (3 indent ) Varying effective lever arm
  532           ... (3 indent ) Weight biased
  533           .... (4 indent ) Valve body is the weight
  533.11           .... (5 indent ) Ball valves
  533.13           ..... (6 indent ) Removable cage
  533.15           ..... (6 indent ) Separable seat
  533.17           .... (5 indent ) Guided head
  533.19           ..... (6 indent ) Cage
  533.21           ..... (6 indent ) Guide stem
  533.23           ...... (7 indent ) With closing stop
  533.25           ...... (7 indent ) Oppositely disposed
  533.27           ...... (7 indent ) Head slidable on guide rod
  533.29           ...... (7 indent ) Guide and seat integral unit
  533.31           ...... (7 indent ) Guide and closure integral unit
  534           .... (4 indent ) Weight coaxial with valve
  535           ... (3 indent ) Spring biased
  536           .... (4 indent ) With means to protect spring from fluid
  537           .... (4 indent ) Spring under tension
  538           .... (4 indent ) Piston-type valves
  539           .... (4 indent ) Ball valves
  539.5           .... (5 indent ) With follower
  540           .... (4 indent ) Spring coaxial with valve
  540.11           .... (5 indent ) Broken valve parts retainer
  541           .... (5 indent ) Spring in inlet
  542           .... (5 indent ) Valve stem extends through fixed spring abutment
  543           ..... (6 indent ) Yoke or cage-type support for valve stem
  543.13           .... (5 indent ) Spring abuts removable valve stem guide
  543.15           .... (5 indent ) Head slides on guide-rod concentric with spring
  543.17           .... (5 indent ) Spring guides valve head
  543.19           .... (5 indent ) Cage-type guide for stemless valves
  543.21           .... (5 indent ) Guide means integral and coplanar with valve disk
  543.23           .... (5 indent ) Head between spring and guide
  544           WITH MEANS FOR SEPARATING SOLID MATERIAL FROM THE FLUID
  545           . (1 indent ) Plural separating elements
  546           . (1 indent ) Sediment chamber
  547           . (1 indent ) Movable strainer
  549           . (1 indent ) Hollow strainer, fluid inlet and outlet perpendicular to each other
  550           . (1 indent ) Planar strainer normal to flow path
  551           WITH INDICATOR, REGISTER, RECORDER, ALARM OR INSPECTION MEANS
  552           . (1 indent ) Plural
  552.5           .. (2 indent ) Unobvious - "combination lock" type
  552.7           . (1 indent ) Time
  553           . (1 indent ) Position or extent of motion indicator
  554           .. (2 indent ) Electrical
  555           .. (2 indent ) Selection from plural branches
  556           .. (2 indent ) Indicator element rigidly carried by the movable element whose position is indicated
  556.3           ... (3 indent ) Movable indicator element is a pointer
  556.6           .... (4 indent ) Pointer integral with handle
  557           . (1 indent ) Fluid pressure responsive indicator, recorder or alarm
  558           . (1 indent ) Liquid level responsive indicator, recorder or alarm
  559           . (1 indent ) Inspection means
  560           COMBINED
  561R           SYSTEMS
  561A           . (1 indent ) Non-valved flow dividers
  562           . (1 indent ) Faucet connected, sink drained
  563           . (1 indent ) Closed circulating system
  564           .. (2 indent ) With thermal circulating means (thermo-siphons)
  564.5           . (1 indent ) Main line as motive fluid for follower-type feeder
  565.01           . (1 indent ) With pump
  565.11           .. (2 indent ) Pumped fluid control
  565.12           ... (3 indent ) Manual
  565.13           ... (3 indent ) Fluid pressure responsive
  565.14           .... (4 indent ) And pilot valve
  565.15           .... (4 indent ) Direct response valve
  565.16           ... (3 indent ) Electric
  565.17           .. (2 indent ) Combined with fluid receiver
  565.34           ... (3 indent ) Reserve or surge receiver
  565.18           ... (3 indent ) Compressed air supply unit
  565.19           ... (3 indent ) Hydraulic power unit
  565.37           ... (3 indent ) Fluid sump
  565.22           .. (2 indent ) And jet-aspiration type pump
  565.23           .. (2 indent ) Vacuum pump
  565.24           .. (2 indent ) Resiliently mounted pump
  565.25           .. (2 indent ) Hand pump
  565.26           .. (2 indent ) Multiple inlet with multiple outlet
  565.27           .. (2 indent ) Downstream cyclic distributor
  565.28           ... (3 indent ) Distributor part unitary with movable pump part
  565.29           .. (2 indent ) Plural
  565.3           ... (3 indent ) Serial
  565.31           .... (4 indent ) With single motive input
  565.32           .... (5 indent ) One pump driven by motive fluid from the other
  565.33           ... (3 indent ) Parallel
  565.35           .. (2 indent ) With pump bypass
  565.36           .. (2 indent ) Drain valve actuator mounted on pump
  571           . (1 indent ) Plural tanks or compartments connected for serial flow
  572           .. (2 indent ) Separable with valved-connecting passage
  573           .. (2 indent ) Fluid progresses by zigzag flow
  574           .. (2 indent ) Plural compartments formed by baffles
  575           .. (2 indent ) Plural top-to-bottom connected tanks
  576           .. (2 indent ) With communicating opening in common walls of tanks or compartments
  577           . (1 indent ) Tank with movable or adjustable outlet or overflow pipe
  577.5           .. (2 indent ) Horizontally traversing outlet
  578           .. (2 indent ) Float-supported outlet
  579           .. (2 indent ) Swinging outlet pipe or spout
  580           . (1 indent ) With running joint between movable parts of system
  581           . (1 indent ) Movable tank
  582           . (1 indent ) With antisplash means not in flow passage
  583           . (1 indent ) System with plural openings, one a gas vent or access opening
  584           .. (2 indent ) Access and outlet
  585           ... (3 indent ) Tank access opening and bottom outlet
  586           .... (4 indent ) Access opening interlock or telltale on outlet valve actuator
  587           .. (2 indent ) Tank with gas vent and inlet or outlet
  588           ... (3 indent ) Vent and inlet or outlet in unitary mounting
  589           .. (2 indent ) With vented outlet
  590           . (1 indent ) Tank with internally extending flow guide, pipe or conduit
  590.5           .. (2 indent ) Nondraining overflow type
  591           .. (2 indent ) Inverted "U" passage
  592           .. (2 indent ) Inlet internally extending
  593           . (1 indent ) Head-establishing standpipe or expansion chamber (e.g., surge tanks)
  624.11           . (1 indent ) Programmer or timer
  624.12           .. (2 indent ) With independent valve controller
  624.13           .. (2 indent ) Repeating cycle
  624.14           ... (3 indent ) Self-cycling
  624.15           ... (3 indent ) Variable
  624.16           .... (4 indent ) Attachable and removable element
  624.17           .... (4 indent ) Adjustable cam
  624.18           .. (2 indent ) Plural, sequential, valve actuations
  624.19           ... (3 indent ) Plural trips or trip actuations
  624.2           ... (3 indent ) Variable cycle
  624.21           .. (2 indent ) Clock alarm mechanism controlled
  624.22           .. (2 indent ) Biased latch, cam operated
  624.27           . (1 indent ) Line condition change responsive release of valve
  625           . (1 indent ) Multi-way valve unit
  625.11           .. (2 indent ) Sequential distributor or collector type
  625.12           .. (2 indent ) Sequentially progressive opening or closing of plural ports
  625.13           ... (3 indent ) With subsequent closing of first port
  625.14           .... (4 indent ) Flow combining with flow dividing
  625.15           .... (4 indent ) Rotary
  625.16           .... (5 indent ) Plug
  625.17           .. (2 indent ) Selective reciprocation or rotation
  625.18           .. (2 indent ) Plural noncommunicating flow paths
  625.19           ... (3 indent ) Rotary plug
  625.2           .. (2 indent ) Supply and exhaust
  625.6           ... (3 indent ) Pilot-actuated
  625.61           .... (4 indent ) Variable orifice-type modulator
  625.62           .... (5 indent ) Opposed orifices; interposed modulator
  625.63           .... (4 indent ) Common to plural valve motor chambers
  625.64           .... (4 indent ) Electric
  625.65           ... (3 indent ) Motor-operated
  625.66           .... (4 indent ) Fluid motor
  625.21           ... (3 indent ) Rotary valve
  625.22           .... (4 indent ) Plug type
  625.23           .... (5 indent ) For plural lines
  625.24           .... (5 indent ) Axial and radial flow
  625.25           ... (3 indent ) Reciprocating valve
  625.26           .... (4 indent ) Combined disk or plug and gate or piston
  625.27           .... (4 indent ) Plural disk or plug
  625.67           .... (4 indent ) Piston valve
  625.68           .... (5 indent ) With internal flow passage
  625.69           .... (5 indent ) With annular passage (e.g., spool)
  625.28           .. (2 indent ) Dividing into parallel flow paths with recombining
  625.29           ... (3 indent ) Valve with bypass connections
  625.3           ... (3 indent ) With metering feature
  625.31           ... (3 indent ) Rotary
  625.32           .... (4 indent ) Plug
  625.33           ... (3 indent ) Reciprocating
  625.34           .... (4 indent ) Spool
  625.35           .... (5 indent ) With internal passage
  625.36           .... (5 indent ) Unequal heads
  625.37           .... (4 indent ) Piston
  625.38           .... (5 indent ) With internal flow passage
  625.39           ..... (6 indent ) Sequential opening or closing of serial ports in single flow line
  625.4           .. (2 indent ) Multiple inlet with single outlet
  625.41           ... (3 indent ) Rotary valve
  625.42           .. (2 indent ) Selective opening of plural ports
  625.43           .. (2 indent ) Four port reversing valves
  625.44           .. (2 indent ) Pivoted valve unit
  625.45           ... (3 indent ) Gate
  625.46           .. (2 indent ) Rotary valve unit
  625.47           ... (3 indent ) Plug
  625.48           .. (2 indent ) Reciprocating valve unit
  625.49           ... (3 indent ) Combined disk or plug and gate or piston
  625.5           ... (3 indent ) Plural disk or plug
  626           . (1 indent ) Plural petcocks
  627           . (1 indent ) Sequential distributor or collector type
  627.5           . (1 indent ) Sequentially closing and opening alternately seating flow controllers
  628           . (1 indent ) Sequentially progressive opening or closing of plural valves
  629           .. (2 indent ) Pressure equalizing or auxiliary shunt flow
  630           ... (3 indent ) One valve seats against other valve (e.g., concentric valves)
  630.11           .... (4 indent ) Locomotive throttle
  630.12           .... (4 indent ) Gate
  630.13           .... (4 indent ) With balancing chamber
  630.14           .... (4 indent ) First valve moves second valve
  630.15           .... (4 indent ) Actuator moves both valves
  630.16           .. (2 indent ) With subsequent closing of first opened port
  630.17           ... (3 indent ) Simultaneously moved port controllers
  630.18           .. (2 indent ) Screw-actuated differential valves
  630.19           .. (2 indent ) Lost motion
  630.2           ... (3 indent ) Cam determines sequence
  630.21           ... (3 indent ) Rotary concentric valves
  630.22           ... (3 indent ) First valve actuates second valve
  635           . (1 indent ) With preselecting means for plural valve actuator
  636           . (1 indent ) With selective motion for plural valve actuator
  636.1           .. (2 indent ) Oppositely movable cam surfaces
  636.2           .. (2 indent ) Rotation about either of two pivotal axes
  636.3           .. (2 indent ) Rotation of actuator arm about its pivot and its axis
  636.4           .. (2 indent ) Reciprocation along and rotation about same axis
  637           . (1 indent ) Valves with separate, correlated, actuators
  637.05           .. (2 indent ) Correlated across separable flow path joint
  637.1           .. (2 indent ) Interlocked
  637.2           .. (2 indent ) Coaxial stems
  637.3           ... (3 indent ) Rotary
  637.4           .... (4 indent ) And reciprocating
  637.5           .... (4 indent ) Concentric, central valve removable
  594           . (1 indent ) Plural noncommunicating flow paths
  595           .. (2 indent ) With common valve operator
  596           . (1 indent ) Supply and exhaust
  596.12           .. (2 indent ) With bypass
  596.13           ... (3 indent ) Controlled by supply or exhaust valve
  596.14           .. (2 indent ) Pilot-actuated
  596.15           ... (3 indent ) Common to plural valve motor chambers
  596.16           ... (3 indent ) Electric
  596.17           .. (2 indent ) Motor
  596.18           ... (3 indent ) Fluid motor
  596.1           .. (2 indent ) Biased exhaust valve
  596.2           ... (3 indent ) Biased closed
  597           . (1 indent ) Multiple inlet with multiple outlet
  598           . (1 indent ) Hydraulic brake line (e.g., hill holders)
  599.01           . (1 indent ) Dividing into parallel flow paths with recombining
  599.02           .. (2 indent ) With fluid coupling (e.g., railway car hose coupling, truck-trailer oil system coupling, etc.)
  599.03           .. (2 indent ) System having plural inlets
  599.04           ... (3 indent ) Having digital flow controller
  599.05           .. (2 indent ) Having digital flow controller
  599.06           ... (3 indent ) Having plural branches under common control for separate valve actuators
  599.07           .... (4 indent ) Electromagnetic or electric control (e.g., digital control, bistable electro control, etc.)
  599.08           .. (2 indent ) With multi way valve having serial valve in at least one branch
  599.09           .. (2 indent ) Fluid pressure regulator in at least one branch
  599.11           .. (2 indent ) Flow passage with bypass
  599.12           ... (3 indent ) Including mixing feature
  599.13           ... (3 indent ) Including flowmeter
  599.14           ... (3 indent ) Including cleaning, treating, or heat transfer feature
  599.15           .... (4 indent ) Water treatment feature
  599.16           .. (2 indent ) Second valve assembly carried by first valve head
  599.17           ... (3 indent ) With rotary plug having variable restrictor
  599.18           ... (3 indent ) Carried valve is direct response valve (e.g., check valve, etc.)
  600           .. (2 indent ) With foam controlling means (e.g., beer, soda faucets)
  601.01           .. (2 indent ) With common operator
  601.02           ... (3 indent ) Balanced valve
  601.03           ... (3 indent ) Single resilient member actuates or forms plural passages
  601.04           ... (3 indent ) Valves deform to close passage
  601.05           ... (3 indent ) Rotary valve
  601.06           .... (4 indent ) Including rigid plate with flexible or resilient seal
  601.07           .... (4 indent ) Axes of rotation of valves intersect at point
  601.08           .... (4 indent ) Axes of rotation parallel
  601.09           .... (5 indent ) Adjacent plate valves always parallel
  601.11           .... (5 indent ) Adjacent plate valves counter rotate
  601.12           ... (3 indent ) Mechanical movement between actuator and non-rotary valve
  601.13           .. (2 indent ) Fluid actuated or retarded
  601.14           .. (2 indent ) Electrical actuator
  601.15           .. (2 indent ) Mechanical movement between actuator and valve
  601.16           .. (2 indent ) Rotary valve
  601.17           ... (3 indent ) Butterfly valve
  601.18           .. (2 indent ) Having guide or restrictor
  601.19           ... (3 indent ) Manually variable
  601.2           .. (2 indent ) Having direct response valve (e.g., check valve, etc.)
  601.21           ... (3 indent ) With reverse flow direction
  602           . (1 indent ) Multiple inlet with single outlet
  603           .. (2 indent ) Faucet attachment
  888           .. (2 indent ) Combining by aspiration
  889           ... (3 indent ) Combining of three or more diverse fluids
  890           ... (3 indent ) Plural motivating fluid jets
  891           ... (3 indent ) Flow control by varying position of a fluid inlet relative to entrainment chamber
  892           ... (3 indent ) With selectively operated flow control means in inlet
  893           .... (4 indent ) Flow control means is located in aspirated fluid inlet
  894           .... (5 indent ) Single actuator operates flow control means located in both motivating fluid and aspirated fluid inlets
  895           ... (3 indent ) With condition responsive valve
  896           .. (2 indent ) With means to promote mixing or combining of plural fluids
  897           ... (3 indent ) With selectively operated flow control means
  898           .... (4 indent ) Single actuator operates plural flow control means
  605           .. (2 indent ) With flow control
  606           ... (3 indent ) Valve in each inlet
  607           .... (4 indent ) With common valve operator
  861           . (1 indent ) With flow control means for branched passages
  862           .. (2 indent ) With common valve operator
  863           ... (3 indent ) For valve having a flexible diaphragm valving member
  864           ... (3 indent ) For valve having a ball head
  865           ... (3 indent ) With gearing
  866           ... (3 indent ) Threaded actuator
  867           ... (3 indent ) Pivoted or rotary motion converted to reciprocating valve head motion
  868           .... (4 indent ) Spring biased
  869           ... (3 indent ) Having fluid actuator
  870           ... (3 indent ) With electrical actuation
  871           ... (3 indent ) Spring biased
  872           .. (2 indent ) With valve or movable deflector at junction
  873           ... (3 indent ) Movable deflector spout in lateral port
  874           ... (3 indent ) Valve or deflector is tubular passageway
  875           ... (3 indent ) Pivoted valve or deflector
  876           ... (3 indent ) Rotary valve or deflector
  877           .. (2 indent ) Biased valve
  878           ... (3 indent ) Spring bias
  879           .... (4 indent ) For valve having a ball head
  880           .... (4 indent ) With threaded actuator
  881           .... (4 indent ) Spring coaxial with valve
  882           .... (5 indent ) Biased open
  883           .. (2 indent ) Single inlet with multiple distinctly valved outlets
  884           .. (2 indent ) Sectional block structure
  885           .. (2 indent ) With fluid actuator
  886           .. (2 indent ) With threaded actuator
  887           .. (2 indent ) Containing rotary valve
  613           . (1 indent ) Flow path with serial valves and/or closures
  614           .. (2 indent ) Separable flow path section, valve or closure in each
  614.01           ... (3 indent ) Common joint and valve seat faces, or sections joined by closing members
  614.02           ... (3 indent ) Each valve and/or closure operated by coupling motion
  614.03           .... (4 indent ) Linear motion of flow path sections operates both
  614.04           .... (5 indent ) Valves actuate each other
  614.05           ... (3 indent ) Valve- or closure-operated by coupling motion
  614.06           ... (3 indent ) Coupling interlocked with valve, or closure or actuator
  614.11           .. (2 indent ) Common actuator
  614.12           ... (3 indent ) Delivery cock with terminal valve
  614.13           ... (3 indent ) Alternately seating
  614.14           .... (4 indent ) Biased valve
  614.15           ... (3 indent ) Opposed screw
  614.16           .. (2 indent ) One valve head provides seat for other head
  614.17           ... (3 indent ) Also carries head of other valve
  614.18           .. (2 indent ) One valve head carries other valve head
  614.19           .. (2 indent ) Biased valve with external operator
  614.2           .. (2 indent ) Direct response normally closed valve limits direction of flow
  614.21           .. (2 indent ) Coaxial oppositely directed seats
  615           . (1 indent ) Articulated or swinging flow conduit
  616           .. (2 indent ) Actuates valve
  616.3           ... (3 indent ) Plural motions of valve
  616.5           ... (3 indent ) Reciprocating valve
  616.7           ... (3 indent ) Rotary valve
  797           FRANGIBLE
  798           WITH COUPLING
  799           . (1 indent ) Flexible
  800           WITH CLOSURE
  801           FAUCETS AND SPOUTS
  802           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           BUMPLESS MANUAL TO AUTOMATIC RELAYS
  901           BIASED BALL VALVES WITH OPERATORS
  902           SLUSH PUMP CHECK VALVES
  903           RUBBER VALVE SPRINGS
  904           CUSHION CHECK VALVES
  905           ROTARY VALVES FOR MULTIPLE GAS BURNERS
  906           VALVES BIASED BY FLUID "SPRINGS"
  907           VACUUM-ACTUATED VALVES
  908           RESPIRATOR CONTROL
  909           MAGNETIC FLUID VALVE
  910           DESTRUCTIBLE OR DEFORMABLE ELEMENT CONSTRUCTED OF SPECIFIC MATERIAL
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS


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This data is current as of June/2006