Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8632322 | Plunger pump with atmospheric bellows | Stephen D. Able, Michael Conti | 2014-01-21 |
| 6619316 | Check valve having adjustable lift, packing assembly, and retrofit kit for same | Jonathan T. Wiechers | 2003-09-16 |
| 6558141 | Packing assembly and reciprocating plunger pump incorporating same | Jonathan T. Wiechers | 2003-05-06 |
| 5477880 | """V"" shaped check stop" | Raymond D. Carter | 1995-12-26 |
| 5052432 | Universal swivel body for a fluid handling hose connector | William R. Tate, Ernest K. Gentit | 1991-10-01 |
| 4978283 | Primer valve for chop-check pump | — | 1990-12-18 |