Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759401 | Three fluid heat exchanger for cooling oil and air with fuel | Robert R. Pfouts, William Nostadt, Jr. | 1988-07-26 |
| 4620588 | Three fluid heat exchanger with pressure responsive control | Robert R. Pfouts, William Nostadt, Jr. | 1986-11-04 |
| 4589478 | Pressure protected tubular heat exchanger | — | 1986-05-20 |
| 4221261 | Brazeless heat exchanger of the tube and shell type | George Hronek, Thomas J. Gaudion | 1980-09-09 |