| Patent Number |
Title Of Patent |
Date Issued |
| 5017129 |
Porous ceramic gas burner |
May 21, 1991 |
| A porous ceramic gas burner constructed from ceramic blocks associated with each other to form a hollow chamber to receive naturally aspirated gas and air mixture from a venturi with the ceramic blocks including a plurality of small holes enabling passage of the gas and air mixture to th |
| 4848313 |
Compact forced air heater |
July 18, 1989 |
| A compact forced air heater comprises a combustion chamber mounted in a housing, a burner module mounted across a back open end of the combustion chamber adjacent a back wall of the housing for producing heated air in the combustion chamber, an air intake in a front wall of the housing, |
| 4651711 |
Forced air heater |
March 24, 1987 |
| A forced air heater (10) includes a removable burner module (26) in which all of the burner components are mounted on a common support plate (42) to facilitate mounting of the burner module in the heater and removal of the burner module from the heater for servicing. An elongated burner |
| 4244349 |
Portable forced air heater |
January 13, 1981 |
| A portable forced air heater having a flame holder positioned between a blower and a combustion chamber. The flame holder has a plurality of holes or openings formed therein to stabilize and control the combustion process within the combustion chamber. The holes or openings are arranged |
| 3969842 |
Water injection heater |
July 20, 1976 |
| A heater having a water injection system for increasing the water vapor content of the atmosphere and reducing the temperature of the exhaust products of the heater. A nozzle assembly located in the stack of the heater injects a fine spray of water into the hot exhaust gases and onto |
| 3941553 |
Heater safety control system |
March 2, 1976 |
| A safety control system for use on a heater which shuts off the heater fuel supply if the heater flame is not present within a predetermined time after initial ignition is attempted or after re-ignition is attempted should the flame be extinguished. A flame sensor which makes use of the |
