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Class Information
Number: 126/285A
Name: Stoves and furnaces > Dampers > Slide
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6868806 |
Vent damper apparatus |
Mar. 22, 2005 |
| 6260490 |
Burner isolation valve for pulverized fuel systems |
Jul. 17, 2001 |
| 5967139 |
Gas burning fireplace unit with damper |
Oct. 19, 1999 |
| 5732692 |
Vent damper |
Mar. 31, 1998 |
| 5239947 |
Vent damper for gas water heater |
Aug. 31, 1993 |
| 5141152 |
Flue gas closure system |
Aug. 25, 1992 |
| 4905662 |
Guillotine dampers with blade sealing means accommodative of thermal expansion forces |
Mar. 6, 1990 |
| 4803931 |
Flue restrictor |
Feb. 14, 1989 |
| 4770160 |
Vent damper |
Sep. 13, 1988 |
| 4749168 |
Damper plate sealing mechanism |
Jun. 7, 1988 |
| 4730597 |
Biomass stove |
Mar. 15, 1988 |
| 4724863 |
Flue gas seal |
Feb. 16, 1988 |
| 4708123 |
Wood burning stove |
Nov. 24, 1987 |
| 4694820 |
Stove with catalytic converter |
Sep. 22, 1987 |
| 4669448 |
Inner door for water heater |
Jun. 2, 1987 |
| 4666270 |
Closure for controlling the flow of a hot fluid |
May. 19, 1987 |
| 4655241 |
Apparatus for sealing dampers |
Apr. 7, 1987 |
| 4624239 |
Barbecue grill damper-ash rake |
Nov. 25, 1986 |
| 4607612 |
Fireplace furnace |
Aug. 26, 1986 |
| 4493311 |
Guillotine damper |
Jan. 15, 1985 |
| 4491144 |
Flexible seals for sliding blade dampers |
Jan. 1, 1985 |
| 4474205 |
Sliding blade apparatus for closing conduits |
Oct. 2, 1984 |
| 4466421 |
Afterburner for a wood stove |
Aug. 21, 1984 |
| 4446847 |
Fireplace outside air inlet |
May. 8, 1984 |
| 4440145 |
Wet-based, wood-burning boiler |
Apr. 3, 1984 |
| 4436081 |
Damper assembly for barbecue grill |
Mar. 13, 1984 |
| 4430986 |
Fuel burning stove with handle operated damper and baffle means |
Feb. 14, 1984 |
| 4418680 |
Fireplace damper and air flow control |
Dec. 6, 1983 |
| 4409956 |
Thermostat for stoves |
Oct. 18, 1983 |
| 4407264 |
Adjustable fresh air damper for combustion |
Oct. 4, 1983 |
| 4373507 |
Stove construction |
Feb. 15, 1983 |
| 4355624 |
Fuel burning heater |
Oct. 26, 1982 |
| 4347831 |
Fuel burning stove |
Sep. 7, 1982 |
| 4279237 |
Combination stove and fireplace |
Jul. 21, 1981 |
| 4235256 |
Damper assembly for gas duct |
Nov. 25, 1980 |
| 4201186 |
Solid-fuel burner |
May. 6, 1980 |
| 4184474 |
Fireplace draft control damper |
Jan. 22, 1980 |
| 4181116 |
Stove |
Jan. 1, 1980 |
| 4176673 |
Purged sliding gate valve |
Dec. 4, 1979 |
| 4164211 |
Damper assembly |
Aug. 14, 1979 |
| 4093245 |
Mechanical sealing means |
Jun. 6, 1978 |
| 4043534 |
Sealing means for sliding gate valve |
Aug. 23, 1977 |
| 3996864 |
Furnace damper and support |
Dec. 14, 1976 |
| 3996920 |
Fireplace damper construction |
Dec. 14, 1976 |
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