Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359735 | Spring stop for clapper valve | Edward Barry Knoles, Alan Long Thien Du, Pui Yuen Ng, Arturo Gomez, Adrian Alexander Filip | 2025-07-15 |
| 12292123 | Clapper with an upstream cam-arm and roller arrangement | Alan Long Thien Du, Pui Yuen Ng, Arturo Gomez, Adrian Alexander Filip | 2025-05-06 |