Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35997 | Self cleaning reciprocating and/or rotating device | — | 1998-12-22 |
| 5279210 | Self cleaning reciprocating and/or rotating device | — | 1994-01-18 |
| 5092037 | Method of making a valveless positive displacement pump including a living hinge for angular adjustment | — | 1992-03-03 |
| 5044889 | Phase adjustable metering pump, and method of adjusting the flow rate thereof | — | 1991-09-03 |
| 5020980 | Valveless, positive displacement pump including hinge for angular adjustment | — | 1991-06-04 |
| 5015157 | Pump with multi-port discharge | Robert W. Jaekel, Guillermo P. Pardinas | 1991-05-14 |