Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471893 | Grinder accessory for pump | Alex Crabtree | 2022-10-18 |
| 9181960 | Guide liner for break-away fitting | Mark Kowalak, Chih-Ming Lin | 2015-11-10 |
| 7578657 | Enclosed pump switch level control system | Mark Kowalak, Stephen Pasley | 2009-08-25 |
| 5924846 | Cover for sewer basin having integral control housing | Larry Arnold, Thomas R. Baughman, Jason D. Fogt, Douglas Milby, Brian M. Mitsch +2 more | 1999-07-20 |
| 5666895 | Adjustable clamp | Clint E. Gehres, Anthony David Vigh | 1997-09-16 |