Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5236350 | Cyclonic combuster nozzle assembly | William G. Cummings, III, David A. Jarvis | 1993-08-17 | |
| 5131836 | Line burner assembly | — | 1992-07-21 | |
| 5092760 | Oxygen-fuel burner assembly and operation | John T. Brown | 1992-03-03 | $15,768,000 |
| 4869665 | Carbon monoxide reducing endplate apparatus | — | 1989-09-26 | |
| 4728284 | Adjustable combustion rate air/fuel proportioned burner assembly | — | 1988-03-01 | |
| 4690635 | High temperature burner assembly | — | 1987-09-01 | |
| 4635898 | Positive pullback synchro valve actuator | Jack D. Rollins, Thaddeus Karabin | 1987-01-13 | |
| 4579143 | Control and purge valve for atomization of heavy fuel oil for combustion | Marvin J. Rollins | 1986-04-01 | |
| 4573907 | Low oxygen and low pressure drop burner | Tadeusz Karabin | 1986-03-04 | |
| 4372531 | Ceramic gate valve and components therefor | M. Jack Rollins | 1983-02-08 | |
| 4340180 | Nozzle mixing line burner | James L. Belknap | 1982-07-20 | $26,000 |
| 4302178 | Variable pressure valve | James L. Belknap | 1981-11-24 | $18,000 |