Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427314 | Apparatus and method for delivery of particulate fuel and transport air | — | 1995-06-27 |
| 5363903 | Perimeter seal for air heater | — | 1994-11-15 |
| 5302115 | Burner register assembly | Lyle D. Geiger | 1994-04-12 |
| 5211705 | Apparatus and method for delivery of combustion air in multiple zones | — | 1993-05-18 |
| 5038849 | Sealing of air heaters by deforming sector plates | — | 1991-08-13 |
| 4927351 | Method and system for controlling the supply of fuel and air to a furnace | Robert W. McIntyre | 1990-05-22 |
| 4887958 | Method and system for controlling the supply of fuel and air to a furnace | — | 1989-12-19 |
| 4801261 | Apparatus and method for delivery of combustion air in multiple zones | — | 1989-01-31 |
| 4791980 | Sealing arrangement for air preheater | Curtis Kennedy, Garnold Townsend | 1988-12-20 |
| 4673026 | Sealing arrangement for air preheater | Curtis Kennedy, Garnold Townsend | 1987-06-16 |
| 4504216 | Burner register assembly | Lyle D. Geiger | 1985-03-12 |
| RE31471 | Multiple blade damper assembly | — | 1983-12-27 |
| 4334550 | Sealing means for sliding gate valve | Peter J. Connor | 1982-06-15 |
| 4273365 | Expansion joint and fabric therefor | — | 1981-06-16 |
| 4235460 | Expansion joint | — | 1980-11-25 |
| 4191212 | Multiple blade damper assembly | — | 1980-03-04 |