Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641386 | Method and device for pumping liquids using a pneumatic positive displacement pump | Rafal Wojciechowski | 2014-02-04 |
| 8347912 | Waste water pumping device | Rafal Wojciechowski | 2013-01-08 |
| 8146618 | Ball non-return valve | — | 2012-04-03 |