Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093004 | Pump/motor apparatus using 2-lobe stator | Richard Bach | 2000-07-25 |
| 5549464 | Drive arrangement for progressing cavity pump | — | 1996-08-27 |
| 5549465 | Drive arrangement for progressing cavity pump | — | 1996-08-27 |
| 5494401 | Orifice motor | — | 1996-02-27 |
| 4237704 | Oldham type coupling and pump embodying the same | — | 1980-12-09 |