Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280147 | Apparatus for adjusting the stroke length of a pump element | Liam Ryan | 2001-08-28 |
| 6264432 | Method and apparatus for controlling a pump | Liam Ryan | 2001-07-24 |
| 6174136 | Pump control and method of operating same | Liam Ryan | 2001-01-16 |
| 6105610 | Cartridge valve with triple sequential seal | W. J. Watkins, II | 2000-08-22 |
| 5526695 | Pulsed flow meter | — | 1996-06-18 |
| 4781213 | Ball check valve | — | 1988-11-01 |
| 4197875 | Ball check valve | Robert J. Schieferstein | 1980-04-15 |