Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325109 | Ratchet wrench structure | — | 2025-06-10 |
| 11426839 | Hand tool available for operating screw members of three different specifications | — | 2022-08-30 |
| D957219 | Socket | — | 2022-07-12 |
| 11370089 | Ratchet wrench | — | 2022-06-28 |
| 10967498 | Display structure for wrench | Chiou-Mai Chang | 2021-04-06 |
| 10596685 | Engaging portion for a hand tool | — | 2020-03-24 |
| D834903 | Wrench socket | — | 2018-12-04 |
| D834902 | Wrench | — | 2018-12-04 |
| D828130 | Wrench | — | 2018-09-11 |
| D828129 | Wrench | — | 2018-09-11 |
| D823083 | Ratchet wheel of wrenches | — | 2018-07-17 |
| 9120210 | Open wrench | Yueh-Li Wang | 2015-09-01 |
| 9114510 | Pawl structure for ratchet wrenches and the wrenches using the same | Yueh-Li Wang | 2015-08-25 |
| 9016174 | Ratchet wrench | Yueh-Li Wang | 2015-04-28 |
| D708920 | Pawl of a ratchet wrench | Yueh-Li Wang | 2014-07-15 |
| 8661946 | Ratchet wrench | Yueh-Li Wang | 2014-03-04 |
| 8261635 | One-direction rachet wrench | Yueh-Li Wang | 2012-09-11 |