Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953523 | Insulating ratchet driver with pivoting head | — | 2021-03-23 |
| 10183383 | Ratchet screwdriver | — | 2019-01-22 |
| 9908220 | Detachable tool assembly for screwdriver | — | 2018-03-06 |
| D777550 | Screwdriver | — | 2017-01-31 |
| 9550285 | Connection device for connecting bit to hand tool | — | 2017-01-24 |
| D740640 | Screwdriver handle | — | 2015-10-13 |
| 9108304 | Ratchet screwdriver able to change operating direction | — | 2015-08-18 |
| 8973475 | Torsion adjusting structure of a screwdriver | — | 2015-03-10 |
| 8960058 | Torque adjustment device for screwdriver | — | 2015-02-24 |
| 8590434 | Hand tool torsion adjustment structure | — | 2013-11-26 |
| 8262097 | Quick-release mechanism for hand tool | — | 2012-09-11 |
| 8220369 | Torque adjustable sleeve assembly | — | 2012-07-17 |
| 8141463 | Hand tool for adjusting torsion | — | 2012-03-27 |
| 8122794 | Torque socket assembly | — | 2012-02-28 |
| 8104383 | Torque socket assembly | — | 2012-01-31 |
| 8042244 | Bearing adjuster | — | 2011-10-25 |
| D628456 | Tool bit | — | 2010-12-07 |
| D625983 | Tool bit | — | 2010-10-26 |
| 7806264 | Toolbox having positioning structure | — | 2010-10-05 |
| 7762161 | Ratchet screwdriver | — | 2010-07-27 |
| D617170 | Tool handle | — | 2010-06-08 |
| 7717016 | Tool handle for an exchangeable screwdriver | — | 2010-05-18 |
| D609068 | Tool handle | — | 2010-02-02 |
| 7653970 | Detachable hand tool | — | 2010-02-02 |
| D600524 | Tool handle | — | 2009-09-22 |