Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337444 | Impact powered torque wrench | — | 2025-06-24 |
| 12337445 | Torque wrench | — | 2025-06-24 |
| 11515752 | Power tool device | — | 2022-11-29 |
| 11506268 | External circulation ball screw | Ivan Yang | 2022-11-22 |
| 7687234 | Carbon electrode surface for attachment of DNA and protein molecules | Xing YANG, R. Erik Holmlin | 2010-03-30 |
| 7509894 | Power tool | — | 2009-03-31 |
| 7191849 | Pneumatic tool | — | 2007-03-20 |
| 7051622 | Tire-patching tool | — | 2006-05-30 |
| D518346 | Casing for tool | — | 2006-04-04 |
| 6991043 | Pneumatic tool | — | 2006-01-31 |
| 6983808 | Power tool with oil circulation apparatus | — | 2006-01-10 |
| D507166 | Casing for tool | — | 2005-07-12 |
| D459177 | Pneumatic tool | — | 2002-06-25 |
| D458824 | Pneumatic tool | — | 2002-06-18 |
| D458103 | Pneumatic tool | — | 2002-06-04 |
| D456683 | Pneumatic tool | — | 2002-05-07 |
| D456232 | Pneumatic tool | — | 2002-04-30 |
| D456231 | Pneumatic tool | — | 2002-04-30 |