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Class Information
Number: 122/7R
Name: Liquid heaters and vaporizers > Industrial > Waste heat
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7587995 |
Radiant syngas cooler |
Sep. 15, 2009 |
| 7587994 |
Arrangement in recovery boiler |
Sep. 15, 2009 |
| 7552701 |
Boiler for making super heated steam and its use |
Jun. 30, 2009 |
| 7549400 |
Method of heating boiler process feed streams |
Jun. 23, 2009 |
| 7478524 |
Coal fired power generation plant |
Jan. 20, 2009 |
| 7475645 |
Retractable liquor gun holder for a recovery furnace |
Jan. 13, 2009 |
| 7412945 |
Waste heat boiler |
Aug. 19, 2008 |
| 7331312 |
Waste heat recovery apparatus and method for boiler system |
Feb. 19, 2008 |
| 7322317 |
Heat-recovery boiler |
Jan. 29, 2008 |
| 7296542 |
Device for introducing hot gas into a heating surface pipe of a waste heat boiler |
Nov. 20, 2007 |
| 7270086 |
Steam generator |
Sep. 18, 2007 |
| 7243618 |
Steam generator with hybrid circulation |
Jul. 17, 2007 |
| 7243619 |
Dual pressure recovery boiler |
Jul. 17, 2007 |
| 7204966 |
Method and apparatus for improved fired heaters |
Apr. 17, 2007 |
| 7100356 |
Heat recovery apparatus with aerodynamic diffusers |
Sep. 5, 2006 |
| 7055465 |
Water heater having waste gas disposal structure |
Jun. 6, 2006 |
| 7036461 |
Waste-heat boiler for a Clause plant |
May. 2, 2006 |
| 7033420 |
Process and apparatus for the thermal degassing of the working medium of a two-phase process |
Apr. 25, 2006 |
| 7021248 |
Passive system for optimal NOx reduction via selective catalytic reduction with variable boiler load |
Apr. 4, 2006 |
| 7017529 |
Boiler system and method of controlling a boiler system |
Mar. 28, 2006 |
| 6990930 |
Steam generation apparatus and method |
Jan. 31, 2006 |
| 6957630 |
Flexible assembly of once-through evaporation for horizontal heat recovery steam generator |
Oct. 25, 2005 |
| 6955140 |
Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
Oct. 18, 2005 |
| 6907845 |
Boiler improvements with oxygen-enriched combustion for increased efficiency and reduced emissions |
Jun. 21, 2005 |
| 6880492 |
Device for introducing hot gas into a heating surface pipe of a waste heat boiler |
Apr. 19, 2005 |
| 6874449 |
Black liquor gun |
Apr. 5, 2005 |
| 6799538 |
Heating apparatus using useless heat for reducing oil |
Oct. 5, 2004 |
| 6799539 |
System and method for utilization of waste heat of semiconductor equipment and heat exchanger used for utilization of waste heat of semiconductor equipment |
Oct. 5, 2004 |
| 6792895 |
Combustion method and apparatus for NOx reduction |
Sep. 21, 2004 |
| 6758168 |
Method and apparatus for sootblowing recovery boiler |
Jul. 6, 2004 |
| 6715450 |
Fossil-fuel fired continuous-flow steam generator |
Apr. 6, 2004 |
| 6672255 |
Flue gas energy transfer system |
Jan. 6, 2004 |
| 6672259 |
Method for positioning superheaters in biomass burning steam generators, and steam generator |
Jan. 6, 2004 |
| 6662758 |
Condensing gas boiler for recollecting condensed latent heat using uptrend combustion |
Dec. 16, 2003 |
| 6609482 |
Method in a soda recovery boiler, and a soda recovery boiler |
Aug. 26, 2003 |
| 6578529 |
Arrangement for feeding black liquor into a recovery boiler |
Jun. 17, 2003 |
| 6557499 |
Fossil-fuel-fired once-through steam generator |
May. 6, 2003 |
| 6557500 |
Evaporator and evaporative process for generating saturated steam |
May. 6, 2003 |
| 6536203 |
Gas turbine installation |
Mar. 25, 2003 |
| 6508206 |
Feed water heater |
Jan. 21, 2003 |
| 6497199 |
Catalytic combustion heat exchanger |
Dec. 24, 2002 |
| 6484799 |
Control system for movable heat recovery coils |
Nov. 26, 2002 |
| 6470834 |
Method and device for exploiting heat in combustion gases |
Oct. 29, 2002 |
| 6470835 |
Plate-type heat exchanger for exhaust gas heat recovery |
Oct. 29, 2002 |
| 6460490 |
Flow control system for a forced recirculation boiler |
Oct. 8, 2002 |
| 6453852 |
Temperature stratified superheater and duct burner |
Sep. 24, 2002 |
| 6435138 |
Exhaust heat recovery boiler |
Aug. 20, 2002 |
| 6435139 |
Waste heat boiler for cooling hot syngas |
Aug. 20, 2002 |
| 6430914 |
Combined cycle power generation plant and method of operating such a plant |
Aug. 13, 2002 |
| 6427636 |
Method and plant for heating a liquid medium |
Aug. 6, 2002 |
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