Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766929 | Check valve | — | 1988-08-30 |
| 4693270 | Check valve | — | 1987-09-15 |
| 4486005 | Side rod tensioning device for preventing misalignment and distortion during assembly of the plunger drive mechanism in a reciprocating pump | — | 1984-12-04 |
| 4239463 | Reciprocating plunger pump with improved liquid end valve assembly | — | 1980-12-16 |