Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062776 | Commutator for orbiting gerotor-type pumps and motors | — | 1991-11-05 |
| 4881880 | Drain for internal gear hydraulic device | — | 1989-11-21 |
| 4824347 | Internal gear machine with reinforced housing | — | 1989-04-25 |
| 4813856 | Balanced rotary valve plate for internal gear device | — | 1989-03-21 |
| 4699577 | Internal gear device with improved rotary valve | Carle A. Middlekauff | 1987-10-13 |