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Class Information
Number: 122/25R
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 23
122/12 Rotatably supported 1
122/13.01 Stand boiler (e.g., water heater, etc.) 137
122/135.1 Flue 14
122/1R Plants 68
122/209.1 Sectional 18
122/20R Subsidiary 16
122/21 Chemical 27
122/22 Fluid and solid fuel 31
122/23 Fluid fuel 12
122/235.11 Water tube 65
122/26 Friction generator 208
122/29 Annular firebox 2
122/30 Magazine 12
122/31.1 Indirectly heated separate injected fluid 131
122/35 Accumulator 16
122/36 Auxiliary steam heater 7
122/366 Wick 84
122/367.1 Heat transmitter 121
122/368 Water firebox 1
122/37 Compartment 20
122/371 Water grate 3
122/379 Cleaning 274
122/39 Film 20
122/40 Flasher 90
122/406.1 Circulation 80
122/412 Feed heaters 41
122/42 Fire and water tube 2
122/44.1 Fire tube 13
122/448.1 Automatic control of fluid fuel and water 108
122/451R Feeders 55
122/459 Steam treatment 38
122/493 Braces and stays 18
122/494 Casings 72
122/495 Crown sheets protecting 0
122/496 Crown sheets and stays 2
122/497 Fronts 6
122/4R Miscellaneous 67
122/5 Gas-producer 47
122/5.51 Air-injected 6
122/501 Fluid-displacer 0
122/503 Fuel baffles 1
122/504 Safety devices 161
122/508 Steam domes 2
122/509 Submerged steam chamber 0
122/510 Supports 258
122/511 Tubes and connections 111
122/512 Tube sheets 47
122/6R Industrial 11
122/DIG.1 Air heater 21
122/DIG.10 Portable units 12
122/DIG.11 Removable steam-heating elements 5
122/DIG.13 Tubes - composition and protection 64
122/DIG.14 Tube replacement 8
122/DIG.15 Valves 1
122/DIG.16 Welding 5
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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