Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12097542 | Fluid pump having self-cleaning structure | John F. Schaupp, Donald Lee Schultz | 2024-09-24 |
| 11529658 | Fluid pump having self-cleaning air inlet structure | John F. Schaupp, Donald Lee Schultz | 2022-12-20 |
| 11448238 | Pneumatic landfill pump cycle counter | Steven R. Wells, William C. Allen, Mark T. Weinberger, John F. Schaupp, David Fischer +1 more | 2022-09-20 |