Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975225 | Tool locking mechanism | Paul Steinweg | 2018-05-22 |
| 8978524 | Ratchetable open-ended wrench | Chung-Sung Li | 2015-03-17 |
| 8813612 | Tool locking mechanism | Paul Steinweg | 2014-08-26 |
| 8631725 | Ratchetable open-ended wrench | — | 2014-01-21 |
| 8375831 | Tool locking mechanism | Paul Steinweg | 2013-02-19 |
| 8347764 | Ratchetable open-ended wrench | Chung-Sung Li | 2013-01-08 |
| 7673542 | Spanner with prevention of disengagement of fasteners | David Ling | 2010-03-09 |
| 7340983 | Spanner with prevention of disengagement of fasteners | David Ling | 2008-03-11 |
| 7231851 | Reversible ratcheting tool | — | 2007-06-19 |
| 7210578 | Display unit for storing tool assembly | Sammy Tsai | 2007-05-01 |
| 7137320 | Ratcheting tool driver | — | 2006-11-21 |
| 7036227 | Process for making ratchet wheels | David Ling | 2006-05-02 |
| 6907803 | Single-direction operation type ratchet wrench structure | — | 2005-06-21 |
| 6868759 | Reversible ratcheting tool | — | 2005-03-22 |
| 6701768 | Process for making ratchet wheels | David Ling | 2004-03-09 |
| 6629477 | Reversible ratchet wrench with high torsion | David Ling | 2003-10-07 |
| 6230591 | Reversible ratcheting tool with improved gear wheel/pawl engagement | David Ling | 2001-05-15 |
| 6134990 | Ratcheting tool with improved gear wheel/pawl engagement | David Ling | 2000-10-24 |