Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797590 | Method for constructing universal LED bulb and flange snap ring type LED bulb and LED lamp | Zheyuan Zhang | 2017-10-24 |
| 9765951 | Method for constructing universal LED bulb, flange inner snap ring type LED bulb and lamp | Zheyuan Zhang | 2017-09-19 |
| 9709220 | Method for constructing universal LED bulb and snap ring lens type LED bulb and LED lamp | Zheyuan Zhang | 2017-07-18 |
| 9709248 | Method for constructing universal LED bulb, snap ring structured LED bulb and LED lamp | Zheyuan Zhang | 2017-07-18 |
| 9625111 | Method for forming LED bulb with high interchangeability and universality and integrated LED bulb and lamp | Zheyuan Zhang | 2017-04-18 |
| 9107254 | Method and apparatus for LED lighting | Zheyuan Zhang | 2015-08-11 |
| 8142710 | Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same | Kui Ming Wong | 2012-03-27 |
| 7594964 | High strength magnesium slag brick and method of producing the same | Qian Chen | 2009-09-29 |