Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193289 | Threaded attachment system for wall-mounted pool skimmer | Yifeng Zhang | 2021-12-07 |
| 10415310 | Safety mechanical barrier and system for above-ground pool ladders | Elmer Chi Hang Cheng, Dong Xu | 2019-09-17 |
| 10400465 | Threaded attachment system for wall-mounted pool skimmer | Yifeng Zhang | 2019-09-03 |
| 10136735 | Systems and methods for air mattress temperature control | Yifeng Zhang | 2018-11-27 |
| 10113361 | Safety mechanical barrier and system for above-ground pool ladders | Elmer Chi Hang Cheng, Dong Xu | 2018-10-30 |
| 9074797 | Assembling and aligning a two-axis tracker assembly in a concentrated photovoltaic system | Wayne Miller, Jerry DeJong, Vayardo L. Ruiz, Chris Paretich, Anthony Wlodarczyk | 2015-07-07 |
| 8835747 | Components of a two-axis tracking assembly in a concentrated photovoltaic system | Wayne Miller, Jerry DeJong, Vayardo L. Ruiz, Anthony Wlodarczyk | 2014-09-16 |