Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186097 | Plunger pump housing and access bore plug | — | 2007-03-06 |
| 7168440 | Valve body and seal assembly | — | 2007-01-30 |
| 7168361 | High pressure pump piston | — | 2007-01-30 |
| 7070166 | Powdered metal inlay | — | 2006-07-04 |
| 6957605 | High pressure pump piston | — | 2005-10-25 |
| 6955181 | Valve body and seal assembly | — | 2005-10-18 |
| 6955339 | Valve body with integral seal retention groove | — | 2005-10-18 |
| 6910871 | Valve guide and spring retainer assemblies | — | 2005-06-28 |
| 6679477 | Valve body with integral seal retention groove | — | 2004-01-20 |
| 6623259 | High pressure plunger pump housing and packing | — | 2003-09-23 |
| 6544012 | High pressure plunger pump housing and packing | — | 2003-04-08 |
| 6435475 | Valve body with integral seal retention groove | — | 2002-08-20 |
| 6382940 | High pressure plunger pump housing and packing | — | 2002-05-07 |
| 5431186 | Valve body design for use with pumps handling abrasive fluids | — | 1995-07-11 |
| 5345965 | Valve body design for use with pumps handling abrasive fluids | — | 1994-09-13 |
| 5249600 | Valve seat for use with pumps for handling abrasive fluids | — | 1993-10-05 |
| 4675966 | Method for manufacturing a guide base of a valve | Edgard A. Franco-Ferreira | 1987-06-30 |