Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655803 | Burner control device and method of making the same | Richard W. McKinney | 1987-04-07 |
| 4640676 | Burner control device, system and method of making the same | George A. Yeaman, Richard W. McKinney | 1987-02-03 |
| 4604049 | Dual rate burner construction and method of making the same | Gilbert Schultz | 1986-08-05 |
| 4422844 | Snap acting thermostatic fluid valve and electrical switch coupled thereto | Marvin M. Graham | 1983-12-27 |
| 4360338 | Control system for dual coil pilot valve burner system | — | 1982-11-23 |
| 4285662 | Gas burner control mechanism | Marvin M. Graham | 1981-08-25 |
| 4255118 | Electric ignition system | — | 1981-03-10 |
| 4200972 | Method of manufacturing a solenoid | Samuel T. Kelly | 1980-05-06 |