Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066205 | Screw rotor lobe profile for simplified screw rotor machine capacity control | — | 1991-11-19 |
| 4938672 | Screw rotor lobe profile for simplified screw rotor machine capacity control | — | 1990-07-03 |
| 4673344 | Screw rotor machine with specific lobe profiles | — | 1987-06-16 |
| 4527967 | Screw rotor machine with specific tooth profile | — | 1985-07-09 |
| 4445831 | Screw rotor machine rotors and method of making | — | 1984-05-01 |