Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 126/531
Name: Stoves and furnaces > Fireplaces or accessories > With heat exchanger for room heating air > Hollow side walls in heat exchanger
Description: Subject matter wherein said structure includes spaced apart plates along each side of the flame, and said spaced apart plates define a flow path for air along opposite sides of the flame.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7967008 Fireplace combustion system Jun. 28, 2011
6848441 Apparatus and method for cooling a surface of a fireplace Feb. 1, 2005
6769426 Indoor-outdoor fireplace Aug. 3, 2004
6705310 Wood burner with improved emissions Mar. 16, 2004
6601579 Indoor-outdoor fireplace Aug. 5, 2003
6588419 Fireplace insert thermally generating electrical power useful for operating a circulating fan Jul. 8, 2003
6488024 Wood heater Dec. 3, 2002
6216684 Wood heater Apr. 17, 2001
6145502 Dual mode of operation fireplaces for operation in vented or unvented mode Nov. 14, 2000
6116232 Gas fireplace insert Sep. 12, 2000
6029655 Modular gas fireplace insert Feb. 29, 2000
5947112 Prefabricated fireplace exhaust plenum structure Sep. 7, 1999
5906197 Gas fireplace May. 25, 1999
5901701 Unvented fireplace construction May. 11, 1999
5782231 Direct vent fireplace Jul. 21, 1998
5752500 Draft hood locating device for combustion apparatus May. 19, 1998
5701882 Fireplace with ceramic fiber duct Dec. 30, 1997
5673683 Induced draft fireplace Oct. 7, 1997
5655514 Fuel-fired fireplace insert with integral combination draft hood and heat exchanger structure Aug. 12, 1997
5647342 Gas operated fireplace assembly Jul. 15, 1997
5626127 Clean face air circulating fireplace May. 6, 1997
5611331 Fireplace Mar. 18, 1997
5603312 Direct vent wood burning fireplace Feb. 18, 1997
5482028 Modular fireplace insert with movable manifold Jan. 9, 1996
5392760 Direct vent fireplace Feb. 28, 1995
5357941 Refractory baffle insert for fireplace Oct. 25, 1994
5313932 Hood for fireplace May. 24, 1994
5299558 Modular fireplace insert Apr. 5, 1994
5263471 Solid fuel clean burning zero clearance fireplace Nov. 23, 1993
5092313 Gas log fireplace with high heat output Mar. 3, 1992
5054468 Unvented gas-fired fireplace heater Oct. 8, 1991
5052311 Zero-clearance firebox Oct. 1, 1991
5016613 Fireplace top wall assembly and cooling system May. 21, 1991
5014684 Wall shield and chimney support May. 14, 1991
5009219 Heating device Apr. 23, 1991
4971030 Gas-fired artificial log stove assembly Nov. 20, 1990
4964396 Fireplace restoration unit Oct. 23, 1990
4964397 Fireplace construction Oct. 23, 1990
4957098 Wall shield and chimney support Sep. 18, 1990
4909227 Direct top venting high efficiency fireplace Mar. 20, 1990
4883044 Fireplace assembly Nov. 28, 1989
4878478 Wood burning stove Nov. 7, 1989
4793322 Direct-vented gas fireplace Dec. 27, 1988
4787365 Double walled fireplace insert and method for loading from the outside Nov. 29, 1988
4688545 Stove Aug. 25, 1987
4683868 Wood burning stove having glass cleaning system Aug. 4, 1987
4653464 Portable heating unit Mar. 31, 1987
4653467 Heaters Mar. 31, 1987
4607611 Solid fuel heating device Aug. 26, 1986
4607612 Fireplace furnace Aug. 26, 1986

1 2 3










 
 
  Recently Added Patents
Key management system
Method and apparatus for efficiently inserting fills in an integrated circuit layout
LED drive circuit
Imaging device
Tricyclic inhibitors of kinases
Holding structure for a touch panel
Information terminal, setting information distribution server, right information distribution server, network connection setting program and method
  Randomly Featured Patents
Omnidirectional rolling support having castering induced by rotational resistance
Method to fabricate RF inductors with minimum area
Tip configurations for a multi-lumen catheter
Equine treatment and method of administering such treatment
Centering means for spreader supported on beams
Two-stage ORVR control valve
Mid-radius disc brake shoe contact pads
Superficially porous particles and methods of making and using same
Key pads
Bicycle hub with tight connection ratchet and detachable freewheel