Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774647 | Rotor with sliding vane has a different width of vane slot extended from the longitudinal axis to the outer surface of the rotor body | Gregory T. Kemp, John Montgomery | 2020-09-15 |
| 10731465 | Rotor and vane with insert | John Montgomery, Gregory T. Kemp | 2020-08-04 |
| 10012081 | Multi-vane impeller device | Gregory T. Kemp, John Montgomery | 2018-07-03 |
| 4909716 | Screw step drive internal volume ratio varying system for helical screw rotary compressor | Donald D. Schaefer, Anthony J. Bianco | 1990-03-20 |