Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1062794 | Five-chamber variable speed diaphragm pump | — | 2025-02-18 |
| D1028844 | Kayak | — | 2024-05-28 |
| 11306472 | Sewage discharge device | — | 2022-04-19 |
| 11280339 | Horizontal automatic submersible pump | — | 2022-03-22 |
| D936108 | Horizontal submersible pump | — | 2021-11-16 |
| D934303 | Horizontal submersible pump | — | 2021-10-26 |
| D934304 | Dual chamber diaphragm pump | — | 2021-10-26 |
| D930711 | Bilge submersible pump | — | 2021-09-14 |
| 10989198 | Detachable submersible pump with modular design | — | 2021-04-27 |
| 10946940 | Small ship | — | 2021-03-16 |
| 7581580 | Hybrid yoke for a vehicle driveshaft | Haimian Cai, Puqiang Zhang | 2009-09-01 |
| 7178815 | Stabilizer bar integrated end link | Haimian Cai | 2007-02-20 |
| 6845994 | Gripped bushing system with alternating radial stiffness | Haimian Cai, Lakshmana Gummadi | 2005-01-25 |
| 6845995 | Method of forming compression gripped bushing system | Haimian Cai | 2005-01-25 |