Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11759804 | Two stage foam pump and method of producing foam | Heiner Ophardt | 2023-09-19 |
| RE49597 | Valvular conduit | Heiner Ophardt, Zhenchun Shi | 2023-08-08 |
| 11545011 | Fluid pump with whistle | Heiner Ophardt | 2023-01-03 |