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Class Information
Number: 126/108
Name: Stoves and furnaces > Hot-air furnaces > Secondary heating chamber horizontally arranged
Description: Hot air furnaces in which the radiating devices are located at the rear of the furnace proper and within the air-casing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5251607 |
Pellet-fired cooking grill |
Oct. 12, 1993 |
| 4999166 |
Furnace for firing wire-like products |
Mar. 12, 1991 |
| 4889181 |
Heat exchanger and sheet material therefor |
Dec. 26, 1989 |
| 4867673 |
Condensing furnace |
Sep. 19, 1989 |
| 4856986 |
Vertical furnace for firing wire-like products |
Aug. 15, 1989 |
| 4827900 |
Stove with external tubes for increasing heat dissipation |
May. 9, 1989 |
| 4779676 |
Condensing furnace |
Oct. 25, 1988 |
| 4730600 |
Condensing furnace |
Mar. 15, 1988 |
| 4493310 |
Heat exchanger |
Jan. 15, 1985 |
| 4471753 |
Method and apparatus for burning solid fuels in a combustion chamber |
Sep. 18, 1984 |
| 4409955 |
Solid fuel warm air furnace |
Oct. 18, 1983 |
| 4318392 |
Catalytic gas-fired furnace system and method |
Mar. 9, 1982 |
| 4275705 |
Two-stage heat exchanger |
Jun. 30, 1981 |
| 4261326 |
High-efficiency recuperative furnace |
Apr. 14, 1981 |
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