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Class Information
Number: 126/535
Name: Stoves and furnaces > Fireplaces or accessories > With heat exchanger for room heating air > And adjustable flue damper
Description: Subject matter and further including a closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein means is provided for moving said plate to affect the amount of combusted gases passing through said channel.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4519376 |
Fireplace assembly |
May. 28, 1985 |
| 4418680 |
Fireplace damper and air flow control |
Dec. 6, 1983 |
| 4406277 |
Fireplace stove insert |
Sep. 27, 1983 |
| 4386599 |
Fireplace stove |
Jun. 7, 1983 |
| 4354480 |
Fireplace heating unit |
Oct. 19, 1982 |
| 4233956 |
Fireplace system |
Nov. 18, 1980 |
| 4191162 |
Energy saving air-flow heater |
Mar. 4, 1980 |
| 4166444 |
Fireplace furnace with heat exchange tubes |
Sep. 4, 1979 |
| 4143638 |
Fireplace heat exchange system |
Mar. 13, 1979 |
| 4136665 |
Wood-burning stove |
Jan. 30, 1979 |
| 4117827 |
Fireplace construction |
Oct. 3, 1978 |
| 4036205 |
Fireplace stove |
Jul. 19, 1977 |
| 4026264 |
Portable fireplace heating unit |
May. 31, 1977 |
| 3965886 |
Home fireplace heating |
Jun. 29, 1976 |
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