Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34367 | High-pressure-fluid machine, a seal | John A. Sawyer, Wayne F. Wehber | 1993-09-07 |
| 5078580 | Plural-stage gas compressor | John A. Sawyer | 1992-01-07 |
| 4957416 | Gas compressor | John A. Sawyer | 1990-09-18 |
| 4890542 | High-pressure-fluid machine, a seal | John A. Sawyer, Wayne F. Wehber | 1990-01-02 |
| 4889039 | Gas compressor with labyrinth sealing and active magnetic bearings | — | 1989-12-26 |
| 4756674 | Reciprocating gas compressor having a split housing and crosshead guide means | — | 1988-07-12 |
| 4729291 | Gas compressor | — | 1988-03-08 |
| 4714414 | Plural-stage gas compressor | — | 1987-12-22 |
| 4556223 | Sealing means with spaced annular seals having support rings | Donald F. VanLoon | 1985-12-03 |