Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378975 | Pneumatic fluid pump with dual rotational swirling cleaning action | John F. Schaupp, Joseph Lawrence Schaffer, Mark T. Weinberger, Daniel P. Ross, Brett M. Crouse | 2025-08-05 |
| 11603866 | Landfill well pump | John F. Schaupp | 2023-03-14 |
| 11448238 | Pneumatic landfill pump cycle counter | William C. Allen, Matthew Thomas McKeown, Mark T. Weinberger, John F. Schaupp, David Fischer +1 more | 2022-09-20 |
| 8070213 | Machine having trim piece assembly with reduced discordance and method | Robert Joseph Egging, Darshit Gohel | 2011-12-06 |
| 6158544 | Steering system for an articulated machine | Paul A. Dvorak, Paul E. Jantz, Bryan A. Vogt | 2000-12-12 |
| 5934406 | Jerk control valve for pilot operated steering system | Paul A. Dvorak | 1999-08-10 |
| 5546847 | Hydraulic cylinder snubbing arrangement | Charles E. Rector, Daniel T. Mather, Robin S. Arndt | 1996-08-20 |
| 5413030 | Self-energizing snubber for a hydraulic motor | Warner G. Richardson | 1995-05-09 |