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Class Information
Number: 122/31.1
Name: Liquid heaters and vaporizers > Indirectly heated separate injected fluid
Description: Devices in which heating of a fluid is by the injection of a hot fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600489 |
Heat exchanger having plural tubular arrays |
Oct. 13, 2009 |
| 7581515 |
Control scheme for an evaporator operating at conditions approaching thermodynamic limits |
Sep. 1, 2009 |
| 7552701 |
Boiler for making super heated steam and its use |
Jun. 30, 2009 |
| 7523721 |
Heat exchanger and water heater |
Apr. 28, 2009 |
| 7490580 |
Vaporizer that vaporizes a liquid to generate vapor |
Feb. 17, 2009 |
| 7458340 |
Water heater |
Dec. 2, 2008 |
| 7455060 |
Startup burner assembly for snow melting apparatus and method of snow melting |
Nov. 25, 2008 |
| 7428883 |
Heat exchanger and water heater |
Sep. 30, 2008 |
| 7353781 |
Arrangement structure of heat exchanger in condensing gas boiler |
Apr. 8, 2008 |
| 7337828 |
Heat transfer using a heat driven loop |
Mar. 4, 2008 |
| 7278379 |
Heat exchange system |
Oct. 9, 2007 |
| 7258081 |
Compact water vaporizer for dynamic steam generation and uniform temperature control |
Aug. 21, 2007 |
| 7168395 |
Submerged combustion LNG vaporizer |
Jan. 30, 2007 |
| 7063047 |
Fuel vaporizer for a reformer type fuel cell system |
Jun. 20, 2006 |
| 7036463 |
Heat exchanger for liquid vaporization |
May. 2, 2006 |
| 6971335 |
Water heater |
Dec. 6, 2005 |
| 6953009 |
Method and apparatus for vaporizing fuel for a reformer fuel cell system |
Oct. 11, 2005 |
| 6948453 |
Hydrocarbon cracking |
Sep. 27, 2005 |
| 6945197 |
Water heater |
Sep. 20, 2005 |
| 6843207 |
Water supply tank unit |
Jan. 18, 2005 |
| 6772712 |
Energy system |
Aug. 10, 2004 |
| 6766772 |
Apparatus for heating steam |
Jul. 27, 2004 |
| 6688261 |
Heating system for liquids |
Feb. 10, 2004 |
| 6672258 |
Intermediate heat exchanger-incorporated type steam generator |
Jan. 6, 2004 |
| 6666172 |
Energy system |
Dec. 23, 2003 |
| 6627342 |
Evaporator liquid fuel injection apparatus and fuel cell system |
Sep. 30, 2003 |
| 6470835 |
Plate-type heat exchanger for exhaust gas heat recovery |
Oct. 29, 2002 |
| 6427638 |
Water heater apparatus |
Aug. 6, 2002 |
| 6394043 |
Oxygen separation and combustion apparatus and method |
May. 28, 2002 |
| 6367429 |
Intermediate fluid type vaporizer |
Apr. 9, 2002 |
| 6283067 |
Potable water temperature management system |
Sep. 4, 2001 |
| 6164247 |
Intermediate fluid type vaporizer, and natural gas supply method using the vaporizer |
Dec. 26, 2000 |
| 6133499 |
Method and apparatus for producing superheated steam using heat from the incineration of waste material |
Oct. 17, 2000 |
| 6101984 |
Fluid heater and method of heating fluid |
Aug. 15, 2000 |
| 5816496 |
Gas fired humidifier |
Oct. 6, 1998 |
| 5799620 |
Direct contact fluid heating device |
Sep. 1, 1998 |
| 5765546 |
Direct contact water heater with dual water heating chambers |
Jun. 16, 1998 |
| 5758605 |
Steam generator |
Jun. 2, 1998 |
| 5749328 |
Boiler for heating a working fluid |
May. 12, 1998 |
| 5735235 |
Method and system for heating a liquid |
Apr. 7, 1998 |
| 5732664 |
Boiler control system |
Mar. 31, 1998 |
| 5713309 |
Steam generator |
Feb. 3, 1998 |
| 5649476 |
Steam generator assembly and steam cooking appliances using same |
Jul. 22, 1997 |
| 5392738 |
Steam generator for a steam bath |
Feb. 28, 1995 |
| 5305735 |
Direct fired hot water generator with more than one heat exchange zone |
Apr. 26, 1994 |
| 5261225 |
Pressurized wet combustion at increased temperature |
Nov. 16, 1993 |
| 5259341 |
Hydro injection steam generator |
Nov. 9, 1993 |
| 5097802 |
Condensing furnace with submerged combustion |
Mar. 24, 1992 |
| 5088450 |
Steam generator |
Feb. 18, 1992 |
| 5086731 |
Water heater |
Feb. 11, 1992 |
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