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Industrial
Class Information
Number:
122/19
Name:
Liquid heaters and vaporizers
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
122/
Indirectly heated
0
122/
Horizontal cylinder
0
122/
Plate
0
122/
Tank
0
122/
Noncombustible heater
0
122/
Regulation
0
122/
Separators
0
122/10
For fluid fuel burner
3
122/11
Rotary
17
122/12
Rotatably supported
1
122/13.01
Stand boiler (e.g., water heater, etc.)
112
122/135.1
Flue
11
122/1R
Plants
63
122/209.1
Sectional
11
122/20R
Subsidiary
7
122/21
Chemical
27
122/22
Fluid and solid fuel
27
122/23
Fluid fuel
10
122/235.11
Water tube
57
122/26
Friction generator
196
122/29
Annular firebox
2
122/30
Magazine
8
122/31.1
Indirectly heated separate injected fluid
89
122/35
Accumulator
15
122/36
Auxiliary steam heater
5
122/366
Wick
81
122/367.1
Heat transmitter
113
122/368
Water firebox
0
122/37
Compartment
16
122/371
Water grate
3
122/379
Cleaning
232
122/39
Film
18
122/40
Flasher
82
122/406.1
Circulation
58
122/412
Feed heaters
39
122/42
Fire and water tube
2
122/44.1
Fire tube
10
122/448.1
Automatic control of fluid fuel and water
101
122/451R
Feeders
52
122/459
Steam treatment
27
122/493
Braces and stays
14
122/494
Casings
67
122/495
Crown sheets protecting
0
122/496
Crown sheets and stays
1
122/497
Fronts
6
122/4R
Miscellaneous
58
122/5
Gas-producer
41
122/5.51
Air-injected
5
122/501
Fluid-displacer
0
122/503
Fuel baffles
1
122/504
Safety devices
148
122/508
Steam domes
2
122/509
Submerged steam chamber
0
122/510
Supports
244
122/511
Tubes and connections
89
122/512
Tube sheets
44
122/6R
Industrial
9
122/DIG.1
Air heater
20
122/DIG.10
Portable units
7
122/DIG.11
Removable steam-heating elements
5
122/DIG.13
Tubes - composition and protection
62
122/DIG.14
Tube replacement
8
122/DIG.15
Valves
1
122/DIG.16
Welding
4
122/DIG.2
Air heater - indirectly heated
20
122/DIG.3
Gas flow baffles
6
122/DIG.4
Once through boilers
6
122/DIG.5
Critical pressure
0
122/DIG.6
Damper-directed radiation
1
122/DIG.7
Feeding air
12
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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