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Class Information
Number: 122/32
Name: Liquid heaters and vaporizers > Indirectly heated > Separate fluid > Surface
Description: Devices having two separate compartments not in communication, the liquid to be vaporized being in one compartment and heated by a hot fluid in the other compartment.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40307 |
Inlet baffle for water heater |
May. 13, 2008 |
| 7314024 |
Steam generator comprising an emergency feed water device |
Jan. 1, 2008 |
| 7267083 |
Condensing heat exchanger with double bundle of tubes |
Sep. 11, 2007 |
| 7232471 |
Hydrogen generator and fuel cell system comprising the same |
Jun. 19, 2007 |
| 7140328 |
Miniature vaporizers for use with chemical converters and energy devices |
Nov. 28, 2006 |
| 7011300 |
Steam humidifier and method |
Mar. 14, 2006 |
| 7000571 |
Heat exchanger, and in particular a steam generator having a convex bottom |
Feb. 21, 2006 |
| 6971335 |
Water heater |
Dec. 6, 2005 |
| 6948453 |
Hydrocarbon cracking |
Sep. 27, 2005 |
| 6914955 |
Heat exchanger tube support structure |
Jul. 5, 2005 |
| 6907846 |
Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal |
Jun. 21, 2005 |
| 6810837 |
Apparatus and methods for controlling flow in BWR steam dryers |
Nov. 2, 2004 |
| 6604492 |
Vaporizer |
Aug. 12, 2003 |
| 6516754 |
Convective heating system for liquid storage tank |
Feb. 11, 2003 |
| 6510819 |
Inlet baffle for water heater |
Jan. 28, 2003 |
| 6498827 |
Heat exchanger tube support structure |
Dec. 24, 2002 |
| 6494169 |
Evaporator and method for manufacturing same |
Dec. 17, 2002 |
| 6435139 |
Waste heat boiler for cooling hot syngas |
Aug. 20, 2002 |
| 6394042 |
Gas fired tube and shell heat exchanger |
May. 28, 2002 |
| 6283068 |
Air-heated/hot-water type vaporizer and air-heated/hot-water type gas producing plant |
Sep. 4, 2001 |
| 6235235 |
System for extracting sodium metal from sodium hydroxide and a reductant of natural gas |
May. 22, 2001 |
| 6199515 |
Baffles for water heaters |
Mar. 13, 2001 |
| 6173680 |
Steam generator comprising an improved feedwater supply device |
Jan. 16, 2001 |
| 6032616 |
Rapid response hot water heater |
Mar. 7, 2000 |
| 5975030 |
Low-pressure feedwater preheater |
Nov. 2, 1999 |
| 5838083 |
Device for breaking eddies at a surface submerged by a turbulent flow |
Nov. 17, 1998 |
| 5711257 |
Sleeved boiler-reactor |
Jan. 27, 1998 |
| 5687675 |
Device for vaporizing the diphasic mixture of a cooling circuit during a depressurizing procedure |
Nov. 18, 1997 |
| 5596952 |
Indirect water heater |
Jan. 28, 1997 |
| 5549078 |
Device for superheating steam |
Aug. 27, 1996 |
| 5419391 |
Steam generator with axial flow preheater |
May. 30, 1995 |
| 5396948 |
Heat exchanger, in which the supply of secondary fluid takes place in the upper part by means of an overflow |
Mar. 14, 1995 |
| 5357906 |
Submersible liquid-to-liquid heat exchanger |
Oct. 25, 1994 |
| 5347959 |
Steam generator supplied with secondary water from the bottom part |
Sep. 20, 1994 |
| 5335629 |
Preheating steam generator |
Aug. 9, 1994 |
| 5329886 |
Steam generator |
Jul. 19, 1994 |
| 5323736 |
Steam generator with device for the distribution of feed water and recirculation water in the secondary part |
Jun. 28, 1994 |
| 5307802 |
High efficiency steam generator |
May. 3, 1994 |
| 5259341 |
Hydro injection steam generator |
Nov. 9, 1993 |
| 5251575 |
Installation for cooling hot, dust-charged gas in a steam generator, and a process for operating said installation |
Oct. 12, 1993 |
| 5199486 |
Coated heat exchanger for humidifier |
Apr. 6, 1993 |
| 5110538 |
Preheating steam generator |
May. 5, 1992 |
| 5094803 |
Steam generator |
Mar. 10, 1992 |
| 5083529 |
Steam generator with ring header, particularly for a nuclear power station |
Jan. 28, 1992 |
| 5067446 |
Apparatus for degassing and heating water |
Nov. 26, 1991 |
| 5046436 |
Apparatus and method for the preheating of liquid wastes in a waste disposal process |
Sep. 10, 1991 |
| 5042433 |
Device for stabilizing the tubes of the bundle of a steam generator having anti-vibration bars |
Aug. 27, 1991 |
| 4983353 |
Novel passive approach to protecting the primary containment barrier formed by the intermediate heat exchanger from the effects of an uncontrolled sodium water reaction |
Jan. 8, 1991 |
| 4967699 |
Steam generator |
Nov. 6, 1990 |
| 4905630 |
Method and apparatus for renewing a vertically disposed steam generator, in particular in nuclear power plants |
Mar. 6, 1990 |
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