Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895563 | Fire sprinkler with improved protective shell | — | 2018-02-20 |
| 9821182 | Concealed sprinkler head cover adjusting device | — | 2017-11-21 |
| 9802071 | Valve control device for fire-extinguishing piping | — | 2017-10-31 |
| 9782614 | Concealed fire sprinkler | — | 2017-10-10 |
| D796629 | Fastening piece of sprinkler head | — | 2017-09-05 |
| 9643038 | Concealed fire sprinkling head having decorating fastened structure | — | 2017-05-09 |
| D768815 | Sprinkler head cover | — | 2016-10-11 |