Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024319 | Method for lubricating a coupling shaft for gear pump | Timothy P. Walgren | 2018-07-17 |
| 9677559 | Bearing face geometry for gear pump | Weishun Ni, Timothy P. Walgren | 2017-06-13 |
| 9546655 | Coupling shaft for gear pump | Timothy P. Walgren | 2017-01-17 |
| 8992192 | Input shaft lubrication for gear pump | Michael R. Blewett, Timothy P. Walgren, Michael Moorman | 2015-03-31 |
| 8911222 | Input shaft assembly for gear pump | Timothy P. Walgren, Steven A. Heitz | 2014-12-16 |
| 8814547 | Seal retaining sleeve for gear pump | Timothy P. Walgren | 2014-08-26 |
| 8801410 | Coupling shaft for gear pump | Timothy P. Walgren | 2014-08-12 |
| 5049269 | Filter assembly with spring loaded valve | — | 1991-09-17 |