Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222299 | Enhanced heat transfer surface and apparatus and method of manufacture | — | 1993-06-29 |
| 5146979 | Enhanced heat transfer surface and apparatus and method of manufacture | — | 1992-09-15 |
| 5054548 | High performance heat transfer surface for high pressure refrigerants | — | 1991-10-08 |
| 5018573 | Method for manufacturing a high efficiency heat transfer surface and the surface so manufactured | Richard C. Lewis | 1991-05-28 |
| 5010643 | High performance heat transfer tube for heat exchanger | — | 1991-04-30 |
| 4938282 | High performance heat transfer tube for heat exchanger | — | 1990-07-03 |
| 4921042 | High performance heat transfer tube and method of making same | — | 1990-05-01 |
| 4914810 | Apparatus for measuring the pore size of enhanced tubes | — | 1990-04-10 |
| 4890669 | Porous coating for enhanced tubes | — | 1990-01-02 |
| 4866830 | Method of making a high performance, uniform fin heat transfer tube | — | 1989-09-19 |
| 4765058 | Apparatus for manufacturing enhanced heat transfer surface | — | 1988-08-23 |
| 4753849 | Porous coating for enhanced tubes | — | 1988-06-28 |
| 4724591 | Method for measuring the pore size of enhanced tubes | — | 1988-02-16 |
| 4371860 | Solderable varistor | John E. May | 1983-02-01 |