Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139829 | Swivel connector assembly | — | 2024-11-12 |
| 11914178 | Lighting devices for automatically switching between a visible light source and an infrared light source | Hui Zhan, Yanhui Liu, Yubing Zhao | 2024-02-27 |
| 11860516 | Surveillance device | Hui Zhan, Wenji Li, Dong Ye, Qilin Chen | 2024-01-02 |
| 11835847 | Surveillance device | Hui Zhan, Wenji Li, Dong Ye, Qilin Chen | 2023-12-05 |
| 11299830 | Knitting needle with swivel joint | — | 2022-04-12 |
| 11092883 | Surveillance device | Hui Zhan, Wenji Li, Dong Ye, Qilin Chen | 2021-08-17 |
| 11060216 | Knitting needle with swivel joint | — | 2021-07-13 |
| 10619273 | Interchangeable knitting needles with secure connection | Aimee Zheng | 2020-04-14 |
| 10443164 | Knitting needle with swivel joint | Aimee Zheng | 2019-10-15 |
| 9080516 | Diagnostic system and method for a variable valve lift mechanism | Andrew P. Bagnasco, Gregory J. York | 2015-07-14 |
| 8720409 | Oil squirter with damping vent | Neil G. Klueber, Karl R. Gilgenbach | 2014-05-13 |
| 8210003 | Knitting needle and crochet hook assembly | — | 2012-07-03 |
| 8109138 | Method and system for estimating engine oil life based on viscosity | Taeyoung Han | 2012-02-07 |
| 7712441 | Predicted engine oil pressure | Kenneth J. Cinpinski, Byungho Lee | 2010-05-11 |
| 7004131 | Engine shaft pump | Jeremy M. Plenzler | 2006-02-28 |
| 6920850 | Engine lubrication system | Jeremy M. Plenzler | 2005-07-26 |
| 6860250 | Engine lubrication system and pressure reducing valve for limiting overhead oil flow | Jeremy M. Plenzler | 2005-03-01 |
| 6810845 | Lubrication system using valves to meet various engine oil pressure requirements | Jeremy M. Plenzler | 2004-11-02 |