Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174769 | Shred and shear pump | — | 2019-01-08 |
| 9719527 | Shred and shear pump | — | 2017-08-01 |
| 6076399 | Level switch filter for sewer basin | Dan G. Free, Mark Kowalak | 2000-06-20 |
| 5924846 | Cover for sewer basin having integral control housing | Larry Arnold, Thomas R. Baughman, Jason D. Fogt, Douglas Milby, Art Morris +2 more | 1999-07-20 |
| D351602 | Sump pump | Mark Rosebraugh, Roby Jones, Jay Martin, Bill Tusten | 1994-10-18 |
| 5336850 | Electrical power cord entry device | — | 1994-08-09 |
| 5213469 | Sewage pump with improved inlet construction | Ralph D. Austen, Robert S. Jones | 1993-05-25 |
| 5044566 | Sewage pump with self-adjusting cutters | — | 1991-09-03 |