| 29, | Metal Working, for a method of mechanical manufacture,
subclass 402.02 for a method of repairing a seal or element thereof
not provided for elsewhere, subclasses 888.07+ for a method of
piston ring or packing manufacture, or subclass 888.3 for a method
of seal or packing manufacture; or for apparatus to assemble or disassemble,
subclasses 700+ for general apparatus to assemble or disassemble,
especially subclasses 222+ for an apparatus to insert or remove
a piston ring, or subclass 236 for an apparatus to apply or remove
a resilient well protector from a well sucker rod. |
| 34, | Drying and Gas or Vapor Contact With Solids, for apparatus to separate liquids from solids (i.e., drying)
or contacting solids with gases or vapors,
subclass 242 for means to seal an opening in a treating chamber
against gas or vapor leakage, or subclass 601 that may have a seal between
a rotating drum or receptacle, and a housing. |
| 49, | Movable or Removable Closures, for more than nominal movable or removable closure structure
(e.g., door jam, etc.),
subclasses 475.1+ for a seal acting at a juncture of the closure
and an adjacent member, especially subclass 477.1 having an inflatable
or fluid pressure responsive feature; subclass 478.1 having a magnetic
feature, subclass 482.1 having a segmenting, replacing, adjusting,
or severing feature; subclass 483.1 having complementary engaging
portions on closure or closure and portal frame; subclass 489.1 anchored
in channel or slot in closure or portal frame; subclass 490.1 having
a U-shaped member or portion to mount the seal, or subclass 498.1
is tubular or has a tubular portion. |
| 52, | Static Structures (e.g., Buildings), for a site erected structure or related components (e.g., panels,
beams, columns, etc.),
subclasses 140+ for a burial vault having a separately placeable closure
in abutting relation to wall edges and sealing material retaining
construction, subclasses 393+ for a relatively yieldable
preformed separator (i.e., expansion joint), or subclasses 408+ for
a disparate sheet lamina between exposed surfaces of wall, floor,
or roof (e.g., vapor barrier, waterproofing membrane, etc.). |
| 57, | Textiles: Spinning, Twisting, and Twining, for a process or apparatus for spinning, twisting, and
twining. |
| 73, | Measuring and Testing, for a detailed structure or method for measuring or testing,
subclasses 7+ for a measurement or test made involving anyone
or any combination of operations of abrasion, milling, rubbing or
scuffing; subclasses 46+ for testing or determining leakage between
parts mechanically fitted together and capable of being separated
without destruction; subclasses 700+ for direct measurement
of fluid pressure; subclasses 863+ for obtaining a predetermined
portion of a mass of material to be tested, or subclass 865.8 for
apparatus or process for sensing and signaling, or for indicating
a physical condition. |
| 74, | Machine Element or Mechanism,
subclasses 18+ for a flexible sealing material attached to a casing
and a moving rod, and a device or mechanism to move the rod. |
| 87, | Textiles: Braiding, Netting, or Lace Making, a process or apparatus for forming strands or fabrics
from yarns, filaments or strands, by braiding, knotting, or intertwisting
the strands, and the corresponding products or fabrics. |
| 92, | Expansible Chamber Devices,
subclass 168 for a nonmetallic seal means between a piston or
a part moved by the piston and a cylinder end portion; or subclasses
172+ for more than nominal detailed structure of a piston
except where limited to detailed structure (e.g., seat, fluid passageway
in seat, etc.) solely intended to cooperate with a piston ring or
piston ring expander. |
| 100, | Presses,
subclass 269.21 for a seal or gasket around a piston for a fluid
activated reciprocating press. |
| 114, | Ships, for marine vehicles and accessories not otherwise classifiable,
subclass 93 that may have a seal for a joint between a mast
and a deck. |
| 116, | Signals and Indicators, for a specifically recited and detailed mechanical device
for giving signals of the nature of an alarm or indicator that appeals
to any one or more of the senses and combined with nominal apparatus structure
from other classes,
subclass 70 for a fluid-pressure variation alarm giving audible indication
usually operated automatically; subclasses 101+ for a thermal
alarm giving audible indication usually operated automatically;
subclasses 109+ for a liquid level alarm giving audible
indication usually operated automatically; subclass 112 for a fluid
flow alarm giving audible indication usually operated automatically;
subclass 208 for a wear indicator for an element having means to
convey information to one of the senses; subclasses 216+ for
a temperature responsive or compensating means indicator having
means to convey information to one of the senses; subclasses 227+ for
a liquid level indicator having means to convey information to one
of the senses, or subclasses 266+ for a pressure indicator
having means to convey information to one of the senses. |
| 123, | Internal-Combustion Engines,
subclass 90.37 for a poppet valve mechanism"s lubrication system"s
seal or shield that includes those mounted on a valve stem or subclass
188.6 for a seal in combination with a valve stem of an intake,
exhaust or fuel valve of an internal combustion engine having a
stationary opening (i.e., seat) and moving closure (i.e., head). |
| 137, | Fluid Handling, residual class for fluid material handling process or apparatus;
subclasses 248+ for a liquid seal between relatively movable valving
parts. |
| 139, | Textiles: Weaving, for manufacture of fabric by weaving threads. |
| 148, | Metal Treatment,
subclass 238 for a process of nitriding using an externally
supplied nitrogen source or subclasses 317+ for a stock
product of the nitriding process. |
| 156, | Adhesive Bonding and Miscellaneous Chemical Manufacture,
subclasses 60+ for a process of manufacturing an article involving
surface bonding or assembly therefor or subclasses 349+ for
an apparatus to manufacture an article involving surface bonding
or assembly therefor. |
| 165, | Heat Exchange,
subclasses 47+ for a heat exchanger including structural installation
on apparatus external to the subject matter of this class. |
| 166, | Wells, for well apparatus having a seal where the well apparatus
has a distinct feature (e.g.; above ground apparatus preventing
upward or downward movement of an inner pipe, rod, or cable part
depending into a well casing or tubing; above ground apparatus sealing
the annular space between a broadly recited casing supported enclosure
and an inner member; lateral port or valve on the tubular member
above or below the packing; structural detail of the tubular member
not contributing to the sealing function; etc.) other than sealing,
subclasses 82.1+ for above ground apparatus having a releasable
sealing or cleaning means for an inner part extending into the well;
subclasses 84.1+ for above ground apparatus with a seal for
a reciprocating part (e.g., sucker rod, etc.); subclasses 86.1+ for
above ground apparatus having a valve combined with anchoring or sealing
means between a casing and an inner part; subclasses 88.1+ for
above ground apparatus having a lateral port combined with anchoring
or sealing means between a casing and an inner part, or subclasses
179+ for a packer or plug insertable from the top of a
well into a well conduit to seal between a longitudinally extending
tubular part and the well conduit, especially subclass 87 for a
seal expanded by confined fluid from central chamber, pump or plunger
and subclass 202 for a cup type seal. |
| 174, | Electricity: Conductors and Insulators, appropriate subclasses for an insulator and specialized
apparatus to mount, support, encase, box, or house an electrical
component;
subclass 23 for means using or adapted to use a fluid or vacuum
including a seal; subclasses 152+ for a grommet to insulate
a conductor as it extends through a wall or plate; subclass 358
for an electromagnetic shield or anti-inductive device that may
be a gasket; or subclass 539 for a box or housing structurally
limited to electrical use or including an electrical device that
may include a seal between a cable and the box or housing. |
| 175, | Boring or Penetrating the Earth, for processes and means for initially forming or radially enlarging
an elongated hole in the earth in situ,
subclasses 209+ for above ground means engaging bore entrance directing
or receiving fluid or cuttings, subclass 214, for a seal located
in a fluid head on a tool shaft, subclass 359 for mutually contacting
cutter supports that are circumferentially displaced axes for a
rolling cutter bit or rolling cutter bit element with seal details,
or subclasses 371+ for a rolling cutter bit or rolling
cutter bit element with seal details. |
| 184, | Lubrication, for a unitized lubrication means removable or installable
from one machine to on another and intended to lubricate a bearing part
in a machine,
subclasses 24+ for a piston rod lubricator or subclasses 104.1+ for
a lubricator including a heating or cooling device. |
| 188, | Brakes, for means of retarding motion of or stopping of machines;
subclasses 72.4+ for a fluid pressure piston axially actuating a
brake element or housing against a wheel that may include a seal,
subclasses 73.44+ for an axially extending pin to retain
an actuator axially slidable in a plane parallel to an axis of a
rotating wheel that usually includes a seal, subclass 322.17 for
an internal resistance motion retarder including a thrust component
used to vary volume in a fluid-filled chamber having a particular
retarder component structure with a dynamic sealing ring or flexible
boot between a piston rod and cylinder, or subclass 322.18 for an
internal resistance motion retarder including a thrust component
used to vary volume in a fluid filled chamber having a particular
retarder component structure with a dynamic sealing ring between
a piston and cylinder. |
| 205, | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions; for a process
of making an electrolytic coating not provided for elsewhere,
subclasses 178+ for multiple superposed coatings having at least
one chromium-containing coating, or subclasses 283+ for
a predominately chromium coating. |
| 210, | Liquid Purification or Separation,
subclass 450 for a filter in a flow line or a flow line connected
closed casing having a gasket between the filter and walls of the
casing (e.g., oil filter gasket, etc.). |
| 215, | Bottles and Jars, for a cap-type bottle or jar closure,
subclass 45 for neck structure to receive a particular closure
including a seal, subclass 233 for a hardenable liquid or plastic seal
where the closure seats on the bottle or jar; subclass 234 for a
liquid seal located where the closure seats on the bottle or jar;
or subclasses 341+ for a cap-type closure having an identifiable
integral or separate seal or liner. |
| 220, | Receptacles, for a receptacle having an access opening and a removable
closure for the opening and means to seal the juncture therebetween,
subclass 228 for a liquid or semi-liquid gasket or subclass
378 for a gasket or packing. |
| 222, | Dispensing,
subclass 542 for a seal provided for a joint, closure, or flow
controller of a dispenser. |
| 228, | Metal Fusion Bonding, in general, for apparatus or method of joining the
meeting faces of juxtaposed or engaged metal articles, of the same
article originally in a form sustaining state, or a metal article
to a nonmetal article, by direct application of heat or mechanical
energy to the articles causing a flowing or blending of the meeting
faces or causing a filler to flow or blend where the meeting faces
to form a continuous interconnecting zone. |
| 241, | Solid Material Comminution or Disintegration,
subclass 216 for cooperating comminuting surfaces having a gyratory
member that includes rotary motion and means to seal the comminuting
zone from a drive or other moving parts. |
| 251, | Valves and Valve Actuation, for means to close or restrict a flow of fluid through
a passage by a definite predetermined motion of the means combined
with a seal,
subclasses 1.1+ for a plurality of relatively movable sealing members
that control an annular passage between a well casing and a drill
stem, axial rod or pipe; subclasses 171 for a gland member pressing
a seal constituting a valve seat against a valve head; subclass
189 for separate actuators or different functions of the same actuator to
increase contact pressure between piston type valves provided with
expansible sealing and a seat; subclass 191 for means to increase the
contact pressure between a piston-type valve having a seal that
expands upon closing and a seat; subclass 214 for a valve actuated
by a mechanical movement means and having a particularly associated
sealing means for either; subclass 257 for a valve actuated by a cam
encased in a valve body having a seal; subclasses 306+ for
a rotary butterfly valve having a seal carried by the valve or a
valve seat; subclasses 314+ for a rotary valve and a seat
therefor or a seal between the rotary valve and the seat; subclass
318 for a reciprocating valve having a seal made of nonresilient
material on a reciprocating head element or seat made of a resilient
material; subclasses 335.1+ for a flexible wall seal between
an actuator and valve; or subclass 363 for a removable valve seat
having a seal between the valve seat and its supporting structure. |
| 252, | Compositions,
subclasses 62.51+ for a composition useful for a magnetic purpose
or a process for making the composition; subclass 72 for a composition
that contains an agent for stopping or reducing a leak in a container;
or subclass 378 for a process of intumescing vermiculite, other
micaceous substances or other materials, or a product of such a
process, not provided for elsewhere. |
| 264, | Plastic and Nonmetallic Article Shaping or Treating:
Processes,
subclasses 239+ for mechanical shaping or molding to form or reform
a shaped article, especially subclasses 259+ for a composite
article created by shaping or forming molding material against and
uniting to a preform. |
| 285, | Pipe Joints or Couplings, for means to secure in end-to-end or side-to-side relationship
a pipe to another pipe, a plate, a wall, a receptacle, or other
base where the means are independent from a seal (i.e., more than
the frictional engagement of the seal secures a pipe end to another
part) or a sleeve securing the pipe ends or another part;
subclasses 95+ for a seal responsive to line pressure or means
to test the seal by using line pressure, especially subclass 97
for a seal having an inflatable member having an external pressure
supply; subclass 187 for temperature responsive means to maintain
a good seal for expansion or contraction in the pipe coupling; or
subclasses 335+ for a seal combined with the pipe joint
or coupling. |
| 296, | Land Vehicles: Bodies and Tops, for a body secured to the running gear and a top therefor,
subclass 93 for weatherstripping to seal between panels or
between a windshield and the body or top. |
| 301, | Land Vehicles: Wheels and Axles, for a wheel or axle, or where they are a dominant feature when
combined with other vehicle structure;
subclass 123 for a seal to exclude dirt or dust from a wheel
or axle bearing. |
| 305, | Wheel Substitutes for Land Vehicles,
subclasses 100+ for a flexible track joint structure (e.g., pin,
link, etc.) including a seal, deflector, or scraper; or subclass
118 for a passageway in a connector pin to provide lubrication. |
| 335, | Electricity: Magnetically Operated Switches, Magnets,
and Electromagnets,
subclasses 209+ for a magnet or an electromagnet, configured or
arranged to perform external mechanical work but does not include
the external mechanical work. |
| 366, | Agitating,
subclass 183.4 for a closed connection (e.g., sealed joint, etc.)
between a static conveyor with gravity discharge and a rotating mixing
chamber. |
| 374, | Thermal Measuring and Testing,
subclasses 141+ for temperature sensing in combination with only
a nominally recited diverse art device. |
| 376, | Induced Nuclear Reactions: Processes, Systems,
and Elements,
subclasses 203+ for a seal at a joint or juncture between and combined with
fluid confining structures (e.g., a nozzle, a vessel cover, etc.)
of a nuclear reactor pressure vessel. |
| 384, | Bearings, for more than nominal bearing structure or detail (e.g.,
liner, bearing race, cage, etc.) combined with a specific seal,
subclasses 130+ for a plain radial bearing having a specific seal,
especially the following subclasses: subclass 131 where fluid moves
the seal; subclasses 132+ where the seal is a barrier of
liquid or gas; subclasses 135+ where centrifugal force
moves or holds the seal in place; subclass 137 where the seal has
means to remove excess lubricant from the shaft and return it to
a lubricant reservoir or for removing material from the shaft about
to enter the bearing from the outside; subclasses 139+ where
the seal consists of a relatively rotatable radially extending sealing
face member (e.g., face, mechanical, etc.); subclass 144 where the
seal is a labyrinth seal; subclasses 145+ where the seal
conforms to a bearing surface that has a shape of sphere to permit
angular or lateral movement; subclasses 147+ where the
seal is a peripheral radially sealing flexible projection extending axially
of a center of a seal seat to contact the relatively moving element
to be sealed; subclass 149, where the seal is radially contained with
an axially acting follower; subclass 150 where mechanical means
(e.g., nut, separate resilient elements, etc.) moves the seal; or
subclasses 151+ where the seal"s material is resilient
and on the outer area of the bearing or shaft; subclass 159 for
a railway car journal bearing having a detailed seal; subclasses
477+ for a radial antifriction bearing having a specific
seal, especially subclass 478 where centrifugal force loads the
seal or a liquid or gas forms a sealing barrier; subclass 479 where
the seal establishes a pressure or pressure responsive means loads
the seal; subclass 480 where the seal is a labyrinth seal; subclasses
481+ where the seal is a relatively rotatable radially extending
sealing face member (e.g., face, mechanical, etc.); subclass 483
where the seal is a radially contained seal with an axially acting
follower; subclasses 484+ where the seal is a peripheral
radially sealing flexible projection contacting a relatively rotating
surface parallel to the axis of rotation; subclass 488 where the seal
is a radially extending, annular flange approaching but not contacting
a relatively rotating member to substantially but not completely
close an annular opening; subclass 489 where the seal is a resilient
O-ring seal; or subclass 607 for a thrust bearing having a seal. |
| 403, | Joints and Connections, for a joint or connection structure that goes beyond providing
an environment for a seal;
subclasses 50+ for a flexible diaphragm or bellows secured to
each part; subclass 134 for a ball and socket having an external
seal (i.e., remote from the bearing surface); subclasses 135+ for
a ball and socket that may have a seal at the bearing interface;
or subclass 288 for a seal distinct from the joint and unnecessary
to the connection of parts. |
| 405, | Hydraulic and Earth Engineering,
subclass 152 for method or apparatus to form an underground
passageway (e.g., tunnel, etc.) lined by panels having a seal between
adjacent panels. |
| 411, | Expanded, Threaded, Driven, Headed, Tool-deformed,
or Locked-threaded Fastener, for a fastener suited for general use,
subclasses 369+ for a headed threaded fastening means and nut having
a washer and seal, or subclass 542 for a washer configured for a
fastener having a seal. |
| 413, | Sheet Metal Container Making, for a process or apparatus for performing an attendant
operation before final assembly of a lid to a receptacle,
subclass 7 for a process of applying a sealant to an end joint
between the lid and the receptacle; subclass 9 for a process of
joining a preformed gasket or liner to the lid; subclasses 12+ for
a process of fabricating a frangible end closure or assembling a
frangible part to an end closure; subclasses 19+ for a
process of applying liquid to form a gasket or liner on the lid; subclass
34 for apparatus to seam together the receptacle and lid using a
roller die including means to apply a gasket or seal therebetween; subclasses
58+ for apparatus to form lid having means to apply seal
or liner, or subclasses 67+ for apparatus to form lid having
means to form frangible zone in lid. |
| 415, | Rotary Kinetic Fluid Motors or Pumps, for a means of guiding or confining (e.g., casing, distributing
means, etc.) a working fluid (i.e., a liquid or gas that contacts
or supports a rotary means that drives or is driven by the liquid
or gas),
subclass 109 for a rotating shaft having an abutment surface
imparting motion in a sealing fluid inside a chamber; subclasses
110+ this may include a seal to separate a fluid path to
an interior part of an assembly between relatively movable parts
and the working fluid path; subclasses 170.1+ this may
include a seal between the rotary means (e.g., runner, etc.) and
a static part, or subclass 230 for a seal between a shaft or shaft
sleeve, and a static part. |
| 417, | Pumps, for a general means to move a fluid from one place to another
having an inlet and an outlet,
subclass 423.11 for a rotary electric motor and rotary non expansible
chamber pump having sealing means therebetween. |
| 418, | Rotary Expansible Chamber Devices,
subclass 55.4 for a helical working member (e.g., scroll, etc.)
having planetary or planetating movement including a seal or subclasses
104+ for a working member having relative rotation to a
surface of a working chamber to expand and contract the volume of
the working chamber with a movable, expansible, adjustable, or deformable
seal. |
| 420, | Alloys or Metallic Compositions, for a generic class for alloys containing metal
or metallic compositions that contain a continuous phase of metal,
methods of making it not provided for elsewhere or "elemental" metal,
per se. |
| 425, | Plastic Article Shaping or Earthenware Shaping
or Treating: Apparatus, a generic class for apparatus not provided for
elsewhere to mold a plastic, shape molten materials where no molding
surface is employed, treating a product made by the apparatus of
this class, randomly deposit and bond particulate material, or a combination
of apparatus of this class with any diverse working or treating
apparatus, Digest 47 for a seal ring. |
| 428, | Stock Material or Miscellaneous Articles, a residual class for a structurally defined stock material,
nonstructural laminate, an article of manufacture or intermediate
article of manufacture, not provided for elsewhere;
subclasses 131+ for a structurally defined web or sheet (e.g.,
an overall dimension, etc.) including an aperture; subclasses 320.2+ comprising a
single or plural web or sheet that contains components where at
least one contains a liquid or has a constituent trapped inside
preformed walls; subclasses 357+ containing or consisting
of a strand, fiber, grain, cell, particle, or any substance in terms
of a particular size or shape, a plurality or such arranged relative
to one another, a particular interengagement of a plurality of such
or a coating associated therewith; subclasses 367+ containing
carbon as an element or compound, and consisting of or coating a
rod, strand, filament or fiber; subclass 406 containing or consisting of
particulate matter comprising glass having a particular size or
shape and a coating; subclasses 411.1+ for a composition
of layers adhered or cohered to each other; subclass 426 for layers
adhered or cohered to each other where a layer contains glass that
may be in fiber or mat form; subclasses 544+ for metallic;
subclasses 615+ comprising different contiguous layers
or portions, each having a matrix or continuous phase of free metal;
or subclasses 616+ comprising different contiguous layers
or portions, each having a matrix or continuous phase of free metal
having the property of bending or lengthening in a circular fashion in
response to an increase in temperature. |
| 445, | Electric Lamp or Space Discharge Component or
Device Manufacturing,
subclass 25 for a process of display or gas panel making including
a seal not elsewhere classified. |
| 432, | Heating,
subclass 115 for a rotary drum mounted for rotation about a
horizontal or slightly inclined axis, the rotation of the rotary drum
imparting a tumbling motion to material placed therein, forming
a juncture against a stationary part with a flexible seal, cooler
seal, or an air curtain-type flow controller therebetween to prevent
escape of the rotary drum"s atmosphere or subclass 244
for a heating device specialized to feed or discharge a work chamber
including a seal at the chamber"s wall for conveyor arm
or shaft. |
| 433, | Dentistry,
subclass 115 for a seal in a motorized handheld tool or handpiece. |
| 439, | Electrical Connectors, for a generic electrical connection between at least two
conducting elements permitting relative motion or where the connection
is a readily made or broken type,
subclass 89 for a seal to a connector having inductive shielding
or arc suppressing means including an elastomeric or nonmetallic conductive
portion; subclasses 271+ for a sealing element or material
for cooperation with the coupled connector (e.g., gasket, etc.);
subclass 559 for a seal to a coupling part that extends into a panel
opening; or subclass 927 for a conductive gasket. |
| 440, | Marine Propulsion, for a vessel and a device (e.g., propeller, impeller, etc.)
other than a sail to move the vessel through water,
subclass 112 for means to mount an engine within the vessel"s
hull and sealing means for a propeller shaft that pierces the hull. |
| 451, | Abrading,
subclasses 28+ for a process of performing an abrading operation
(i.e., where the sharp edges of mineral crystals form the cutting instrument)
and a process of performing an ancillary operation not provided
for elsewhere. |
| 464, | Rotary Shafts, Gudgeons, Housings, and Flexible
Couplings for Rotary Shafts,
subclass 131 for a drive coupling that accommodates misaligned
or angularly related axes through a radially directed pin having
a particular bearing cup surrounding the pin end and a flexible
seal, subclass 133 for a drive coupling that accommodates misaligned
or angularly related axes through a radially directed pin and a
flexible seal or subclasses 173+ for a flexible boot for
a joint to transmit rotary torque. |
| 494, | Imperforate Bowl: Centrifugal Separators, for an apparatus or process that breaks down or subdivides
a mixture of fluent material into components by using a receptaclelike
part having a wall to subject the material to centrifugal force,
subclasses 38+ including a seal. |
| 501, | Compositions: Ceramic,
subclasses 1+ for inorganic compositions other than Portland cement
or cementitious material prepared from gypsum that are heat-treated
by firing, calcining, sintering, or fusion of a part of the inorganic
material during manufacturing or subsequent use to effect hardening
or fusion followed by hardening when cooled and processes not provided
for elsewhere, and especially subclasses 11+ for a glass
composition or a composition intended to be heat-treated to form
a glass. |
| 505, | Superconductor Technology: Apparatus, Material,
Process,
subclass 165 for a high temperature (tc greater than 30 k) system,
device, or component utilizing suspension of superconducting particulate
material in liquid (e.g., seal, pump, etc.). |
| 520, | Synthetic Resins or Natural Rubbers,
subclasses 1+ are the generic subclasses for a synthetic resin
or natural rubber preparation. See Lines With Other Classes and
Within This Class, for the lines between Classes 520, 260, 521,
522, 523, 524, 525, 526, 527, and 528. |
| 523, | Synthetic Resins or Natural Rubbers,
subclass 179 for a process of preparing a desired or intentional
composition of at least one solid polymer or specified intermediate
condensation product, or product thereof having utility as an ablative,
or an intumescent coating composition is claimed or solely disclosed,
or to processes or preparation thereof. |