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1A . (1 indent ) Burner controls not elsewhere classified in class
1B . (1 indent ) Zone control for heating and cooling medium
1C . (1 indent ) Heating and cooling controls
1D . (1 indent ) Stoker controls
1E . (1 indent ) Multistage controls
1EA .. (2 indent ) Multiple valve staging
1EB .. (2 indent ) Single valve staging
1F . (1 indent ) Piezoelectric crystal and other electric unit temperature controls
1G . (1 indent ) Heat conserving damper control
1H . (1 indent ) Burner controls with automatic cutoff
2 INCUBATOR TYPE OF HEATER
. (1 indent ) Thermostatic
4 .. (2 indent ) Expanding fluid
5 .. (2 indent ) Expanding solid
8 ATOMIZER TYPE OF BURNER
9R COMBINED HEATER AND APARTMENT CONTROLLED
9A . (1 indent ) Combined heating and apartment control with heating medium circulation control
11 . (1 indent ) Air and fire control
12.1 MIXING FLUID OF DISSIMILAR TEMPERATURE
12.11 . (1 indent ) Mixing valve with temperature motive means
12.12 .. (2 indent ) Having electrical motive means
12.13 . (1 indent ) Including bypass
12.14 . (1 indent ) Fluid from only one supply is controlled
12.15 . (1 indent ) Including separate relatively movable valve for each fluid supply
12.16 . (1 indent ) Having oscillating or reciprocating valve
12.17 .. (2 indent ) Valving member moves about an axis
12.18 ... (3 indent ) Tubular valve member
12.19 ... (3 indent ) Axially spaced flow control faces
12.2 .. (2 indent ) Tubular valve member
12.21 .. (2 indent ) Axially spaced flow control faces
12.22 ... (3 indent ) Seats face outwardly
12.23 .. (2 indent ) Ports closed by valve action
13 . (1 indent ) Plenum type
14 COMBINED BOILER AND FURNACE CONTROLLED
15A . (1 indent ) Domestic oven controls
15BR . (1 indent ) Commercial furnace controls
15BA .. (2 indent ) Solid fuel burning
15BB .. (2 indent ) Product and furnace temperature sensor
15BC .. (2 indent ) With conveyor thru furnace
15BD .. (2 indent ) Air and fuel control
15BE .. (2 indent ) Recuperator, gas turbine, melting furnace
15BF .. (2 indent ) Specialized furnace or heater, e.g., crystal growing
15BG .. (2 indent ) Timer or program
15C . (1 indent ) Furnace controlled responsive to pressure
15E . (1 indent ) Furnace controlled responsive to combustion products composition
16 COMBINED DRAFT AND CHECK CONTROL
17 . (1 indent ) Pressure-operated
. (1 indent ) Thermostatic
18 .. (2 indent ) Expanding fluid
19 .. (2 indent ) Expanding solid
21R . (1 indent ) Safety cut-out
21B .. (2 indent ) Water heater control with excessive temperature cutoff
22 . (1 indent ) Radiator type
. (1 indent ) Combined thermostat and flow controlled
23 .. (2 indent ) One valve
24 .. (2 indent ) Two or more valves
24.5 . (1 indent ) Flow and pressure controlled
25R . (1 indent ) Flow controlled
25A .. (2 indent ) Flow responsive valve controlling fuel
26R . (1 indent ) Pressure-operated
27 .. (2 indent ) With balancing pressure chamber
28 .. (2 indent ) Stroke retarding
29 .. (2 indent ) Relay, puppet
30 .. (2 indent ) Bourdon type
26A .. (2 indent ) Gas burner controls
26B .. (2 indent ) Pressure responsive means controls draft
26C .. (2 indent ) Pressure responsive elements per se
26D .. (2 indent ) Pressure responsive means controls forced draft
26E .. (2 indent ) Pressure responsive means controls oil burner
26F .. (2 indent ) Pressure responsive means controls fluid coupling
. (1 indent ) Thermostatic
32 .. (2 indent ) Expanding fluid
33 .. (2 indent ) Expanding solid
20A . (1 indent ) Top burner control
34.5 . (1 indent ) Bypass
35 . (1 indent ) Air control
35.2 .. (2 indent ) Shutters
35.3 ... (3 indent ) Servomotor
37 . (1 indent ) Combined radiator and apartment controlled
38 . (1 indent ) Air control
. (1 indent ) Exhaust operated
.. (2 indent ) Fluid-operated motor
39 ... (3 indent ) Aspirator
40 .. (2 indent ) Thermostatic
41 ... (3 indent ) With trap
. (1 indent ) Thermostatic
42 .. (2 indent ) Expanding fluid
43 .. (2 indent ) Expanding solid
44A . (1 indent ) Humidity control per se
44B . (1 indent ) With evaporator cooling spray
44C . (1 indent ) Humidity and temperature control
44E . (1 indent ) With electrical conductive element
46A . (1 indent ) Diverse sensor
46B . (1 indent ) Stoker control
46C . (1 indent ) Controlled diverse means
46D . (1 indent ) Domestic oven
46E . (1 indent ) Hot air furnace
46F . (1 indent ) Timer other than clock
47 HIGH AND LOW TEMPERATURE ALTERNATE
48A . (1 indent ) Including a permanent magnet
49.2 . (1 indent ) Responsive to fire or smoke
49.3 . (1 indent ) Electrically actuated
49.4 . (1 indent ) Pneumatically actuated
49.5 . (1 indent ) Mechanical linkage actuated
. (1 indent ) Float valve
53 .. (2 indent ) Thermostatic air valve
. (1 indent ) Pressure-operated valve
54 .. (2 indent ) Thermostatic pilot
. (1 indent ) Thermostatic
55 .. (2 indent ) With float-controlled pilot
56 .. (2 indent ) Expanding fluid
57 ... (3 indent ) Bourdon type
58 ... (3 indent ) Wafer type
59 .. (2 indent ) Expanding solid
60 ... (3 indent ) Conduit
. (1 indent ) Radiator type
.. (2 indent ) Thermostatic
61 ... (3 indent ) With pressure control
62 ... (3 indent ) With separate float
63 ... (3 indent ) Expanding float
64 ... (3 indent ) Expanding fluid
65 .... (4 indent ) Float-operated
66 ... (3 indent ) Expanding solid
68R .. (2 indent ) Auxiliary heater
68A ... (3 indent ) Heated expansible chamber vaporizer liquid injected by thermostat
68B ... (3 indent ) Auxiliary heater applied to main temperature sensing means
68C ... (3 indent ) Auxiliary heater applied to control device away from main temperature sensor
68D ... (3 indent ) Thermo-controlled pilot burner operates a heat motor to actuate main fuel valve
69 .. (2 indent ) Pyrometer galvanometer
70 ... (3 indent ) With beating element
71 . (1 indent ) Balanced
72 .. (2 indent ) Thermostatic relay
73 . (1 indent ) Continuous drive
74R . (1 indent ) Electric
75 .. (2 indent ) Reciprocating or oscillating
76 .. (2 indent ) Step-by-step
77 .. (2 indent ) Vibrating arm
78A ... (3 indent ) Plural control elements
78B ... (3 indent ) Plural temperature sensors
78C ... (3 indent ) Reversible motor
78D ... (3 indent ) Proportional control
74A .. (2 indent ) Electric motor driven pump
. (1 indent ) Fluid-operated
80R ... (3 indent ) Shunt
80A .... (4 indent ) Airplane
80B .... (4 indent ) Plural main valves
80C .... (4 indent ) Plural temperature sensors
80D .... (4 indent ) Pure fluid
80E .... (4 indent ) Plural pilots by single actuator
80F .... (4 indent ) Diaphragm biased open by line pressure
80G .... (4 indent ) Piston-type valve operator
81 ... (3 indent ) Snap-acting
82 ... (3 indent ) Compound
83 .... (4 indent ) Snap-acting
84 ... (3 indent ) Electric
85 ... (3 indent ) Pressure-operated
... (3 indent ) Thermostatic
86 .... (4 indent ) Expanding fluid
87 .... (4 indent ) Expanding solid
88 . (1 indent ) Magnetic release
89 .. (2 indent ) Safety cut-out
90 . (1 indent ) Thermal release
91R . (1 indent ) Hot and cold
91A .. (2 indent ) Nonhabitable enclosure, e.g., incubator
91B .. (2 indent ) With oil burner
91C .. (2 indent ) With diverse sensor, e.g., humidity, pressure
91D .. (2 indent ) Heating and cooling
91E .. (2 indent ) Plural room or plural outside thermostat
91F .. (2 indent ) With at least one temperature sensor for temperature modifying media
91G .. (2 indent ) Current modifying sensor
92R . (1 indent ) With pressure control
92A .. (2 indent ) Combined with fuel gas pressure regulator
92B .. (2 indent ) Refrigeration expansion valves
92C .. (2 indent ) Pressure- and temperature-actuated relief valves
92D .. (2 indent ) Pressure- and temperature-actuated valves associated with carburetors
93R . (1 indent ) In fluid controlled
93A .. (2 indent ) Expanding fluid
93B .. (2 indent ) Shower heads
94 . (1 indent ) With indicator or alarm
. (1 indent ) Flue or heater attached
95 .. (2 indent ) Expanding fluid
96 .. (2 indent ) Expanding solid
97 . (1 indent ) Cooled element
98 . (1 indent ) Fluid transmission
99R . (1 indent ) Expanding fluid
100 .. (2 indent ) Float or piston operation
99A .. (2 indent ) Nontemperature sensor
99B .. (2 indent ) Nonvalving device
99C .. (2 indent ) External and internal sensors
99D .. (2 indent ) Heat shield
99E .. (2 indent ) Plural temperature sensors
99F .. (2 indent ) Pivoted valve
99H .. (2 indent ) Liquid fuel feed
99K .. (2 indent ) Wax thermostat
99J .. (2 indent ) In flow line
101R . (1 indent ) Expanding solid
102 .. (2 indent ) Concentric elements
103 .. (2 indent ) Conduit
104 .. (2 indent ) Fire pot
101A .. (2 indent ) Plural inlets or outlets
101B .. (2 indent ) Plural thermostats
101C .. (2 indent ) Thermostat with I.C.E.
101D .. (2 indent ) Coil thermostat
101E .. (2 indent ) Compound lever
FOR000 CLASS-RELATED FOREIGN DOCUMENTS
DIG14 INTERMITTANT CONTROL
DIG17 SPRING RATE COMPENSATOR
DIG19 VENTILATED THERMOSTAT
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