Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695232 | Central body to which are connected both a driving motor and a pump | — | 1987-09-22 |
| 4372849 | Hydraulic pumping and switching apparatus | — | 1983-02-08 |
| 4331537 | Apparatus for filtering a liquid | — | 1982-05-25 |
| 4301005 | Apparatus for filtering a liquid | Otmar Schon | 1981-11-17 |