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Class Information
Number: 126/344
Name: Stoves and furnaces > Liquid heater
Description: Subject matter comprising means to add thermal energy to a fluid that is shapeless, virtually incompressible, and has a definite volume (e.g., water, etc.).










Sub-classes under this class:

Class Number Class Name Patents
126/364.1 And stovepipe 4
126/361.1 Boiler receiving hot liquid or steam from stove or furnace (e.g., kitchen boiler, range boiler, etc.) 36
126/350.1 Fluid fuel burner for other than top-accessible vessel 63
126/345 Kettle furnace 6
126/373.1 Open-top vessel that may include lid 84
126/367.1 Solid fuel burner and submerged under the liquid 14
126/369 Steam chamber for food 270
126/ Submerged (126/unnumbered) 0


Patents under this class:
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Patent Number Title Of Patent Date Issued
8651065 Heated animal water tank Feb. 18, 2014
8636226 Aid for loading a solid fuel boiler coupled with an accumulation system Jan. 28, 2014
8534276 Tea kettle Sep. 17, 2013
8505529 Alternate intake apparatus Aug. 13, 2013
8490886 Modulating boiler system Jul. 23, 2013
8480006 Vehicle supplemental heating system Jul. 9, 2013
8469283 Liquid heat generator with integral heat exchanger Jun. 25, 2013
8464963 Viscous coolant heater with variable coolant pump drive Jun. 18, 2013
8408197 Submergible combustion burner Apr. 2, 2013
8302876 Vehicle supplemental heating system Nov. 6, 2012
8182760 Steam sterilizer May. 22, 2012
8113440 Vehicle supplemental heating system including spool valve manifold Feb. 14, 2012
7743936 Water heater Jun. 29, 2010
7337828 Heat transfer using a heat driven loop Mar. 4, 2008
7055466 Control system for a portable instant hot water heater Jun. 6, 2006
7013841 Differently configured fuel-fired water heaters constructed from identical production platforms Mar. 21, 2006
6951191 Water heater provided with compact design and hot water temperature for human body Oct. 4, 2005
6640047 Hybrid water heater with electrical heating unit and combustor Oct. 28, 2003
6612301 Water heater Sep. 2, 2003
6295980 Composite polymer manifold for water heating unit Oct. 2, 2001
6173118 Sensor block and automatic fill valve for water with immersed copper fluid coil Jan. 9, 2001
6041742 Fluid heating and pumping apparatus Mar. 28, 2000
6026804 Heater for fluids Feb. 22, 2000
6026801 Plug core heat exchanger Feb. 22, 2000
6019098 Self powered furnace Feb. 1, 2000
5979371 Foam distribution jacket and method of insulating a hot water heater with expandable foam material Nov. 9, 1999
5967138 Flash suppressor for hot water heater Oct. 19, 1999
5964215 Heating installation with closed liquid circuit Oct. 12, 1999
5927269 Auxiliary vehicle heater Jul. 27, 1999
5911217 Internally mounted flue damper with exterior free-standing damper drive Jun. 15, 1999
5899198 Self clamping temporary foam dam for protecting water heater electrical components May. 4, 1999
5898818 Water feed system at constant temperature keeping the hot water from mixing with the cold water fed during use of the hot water in a single tank Apr. 27, 1999
5878192 Heating element for water heaters with scale control Mar. 2, 1999
5872891 System for providing substantially instantaneous hot water Feb. 16, 1999
5857482 System for control of fluid vessel overflows Jan. 12, 1999
5848586 Fire safety collar for gas water heaters Dec. 15, 1998
5838879 Continuously cleaned pressureless water heater with immersed copper fluid coil Nov. 17, 1998
5787229 Electric hot water tank with layered storage Jul. 28, 1998
5761379 Water heater capable of being hung from a support Jun. 2, 1998
5725833 Water buffered essential oils smokeless incensing system Mar. 10, 1998
5690094 Gas flame kettle Nov. 25, 1997
5642725 Liquid heating apparatus Jul. 1, 1997
5588088 Hot water tempering system utilizing a storage tank, a bypass line and a proportional flow controller Dec. 24, 1996
5460161 Campfire water heating apparatus and method Oct. 24, 1995
5441039 Teapot capable of giving off sound while it pours Aug. 15, 1995
5437264 Waste heat collector for domestic gas water heaters Aug. 1, 1995
5419308 Gas-using water heater having a water pressure-controlled gas general switch May. 30, 1995
5417201 Portable water heating system May. 23, 1995
5396878 Hot water kettle Mar. 14, 1995
5356487 Thermally amplified and stimulated emission radiator fiber matrix burner Oct. 18, 1994

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