Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12097542 | Fluid pump having self-cleaning structure | John F. Schaupp, Matthew Thomas McKeown | 2024-09-24 |
| 11529658 | Fluid pump having self-cleaning air inlet structure | John F. Schaupp, Matthew Thomas McKeown | 2022-12-20 |
| 11261883 | Self-cleaning pneumatic fluid pump having poppet valve with propeller-like cleaning structure | John F. Schaupp, Bradley PEAKE | 2022-03-01 |
| 4755100 | Operator control system | Louis A. Haddock, Jr. | 1988-07-05 |
| 4598797 | Travel/lift inhibit control | — | 1986-07-08 |
| 4392670 | Pivoted steering column for lift truck | — | 1983-07-12 |