Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 237
Name: Heating systems >
Description: Apparatus and processes for heating rooms, chambers, houses, and other enclosing structures, including combinations of two or more heat generators and combinations of a heat generator with means for distributing a fluid heated thereby.










Class Number Class Name No. of Patents
237/50

Air

37
237/55

Flue heated

170
237/53

Furnace

53
237/52

Stove

23
237/54

Upper-room drum

4
237/80

Antifreezing devices

80
237/2R

Automatic control

33
237/2A

Automatic heating systems with controls

274
237/3

Brooder and incubator

42
237/4

Water

2
237/5

Car

33
237/6

Steam

7
237/7

Combined radiator and boiler

24
237/11

Compressed air

11
237/2B

Heat source is a reverse cycle refrigerating system or heat pump

390
237/12

Processes

19
237/9R

Steam

19
237/9A

Automotive systems

1
237/10

Gas displaced

0
237/9B

With direct contact between products of combustion and the liquid to be vaporized

2
237/8R

Water

250
237/8A

Automatic heating systems (water) with controls

95
237/8D

Compact heating systems with controls

7
237/8B

Heating systems with high temperature boiling liquids

5
237/8C

With boiler by-pass valve control

40
237/14

Brooder and incubator

26
237/15

Water

3
237/16

Combined radiator and boiler

37
237/17

Fluid fuel

9
237/18

Solid fuel

3
237/19

Combined with water heater

206
237/12.1

Heat and power plants

108
237/12.4

Car

9
237/12.6

Air

2
237/12.7

Radiator

4
237/12.5

Smoke

0
237/12.8

Steam

2
237/12.2

Fire engine

0
237/12.3R

Vehicle

243
237/12.3A

The heating is effected by circulated air

327
237/12.3B

The heating is effected by circulated hot water

499
237/12.3C

The heating system includes a combustion type heater

207
237/70

Heat radiators

57
237/78R

Air moistener

22
237/78A

Casing

6
237/78C

From radiator valve

0
237/78B

Radiator wick

3
237/76

Ceramic

2
237/77

Foot warmer

5
237/79

Shields

33
237/73

Steam

6
237/74

Circuit

3
237/75

Heat accumulator

4
237/71

Water, steam

11
237/72

Injected

2
237/69

Heated floor

135
237/DIG.1

Inert gas

0
237/1R

Miscellaneous

338
237/1SL

Special liquid

10
237/13

Plants

27
237/81

Processes

45
237/67

Steam

43
237/68

Air discharge

4
237/28

Vehicle

32
237/45

Encased radiator

3
237/32

Fluid fuel

4
237/33

Radiator

1
237/44

Heat accumulator

8
237/43

Heated floor

5
237/40

Steam

2
237/41

Car boiler

0
237/42

Train steam

0
237/29

Stove

1
237/30

Air casing

2
237/31

Depending

0
237/34

Water

10
237/35

Car boiler

1
237/36

Fluid fuel

3
237/37

Train steam

0
237/38

Injected

0
237/39

Train steam

1
237/46

Ventilating

46
237/49

Enclosed radiator

7
237/48

Furnace

9
237/47

Stove

5
237/56

Water

80
237/59

Circulation

40
237/61

Auxiliary boiler

14
237/62

Boiler loop

4
237/60

Geyser boiler

9
237/63

Pump

40
237/64

Steam displacing

3
237/66

Expansion tanks

39
237/57

Fluid fuel

9
237/65

Pressure regulator

4
237/58

Steam

4
 
 
  Recently Added Patents
Flexible circuit routing
Sample analyzing device
Efficient forward ranking in a search engine
Profile and template based dynamic portable user workflow
Communication terminal device, communication system, and communication control method
Baseball player stationery tab
Profiling activity through video surveillance
  Randomly Featured Patents
Oral composition containing oxidized Camellia
Rebounding soccer practice net
Wheel bearing device for motor vehicles
Motor housing for a sliding compound miter saw
Apparatus for coating molds with finning preventive agent
Door knob lock monitoring alarm mechanism
Combination product transmittal package and greeting card
Flexural-mode tuning-fork type quartz crystal resonator
Process for removing impurities from polymers
Optimizing the execution of a query in a multi-database system