John B. Davidson
26Patents
9h-index
6Co-inventors
68Inventor score
Filing activity: Mar 30, 1977 → Sep 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5433548A | Universal joint for torque transmitting tools | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5660491A | Universal joint for torque transmitting tools | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD397597S | Socket wrench | General | 18 | Expired |
| USD355342S | Tool handle | General | 18 | Expired |
| US6109140A | Ratchet wrench | Performing Operations; Transporting | 16 | Expired |
| US6044730A | Ratchet wrench | Performing Operations; Transporting | 15 | Expired |
| US6205890A | Ratchet wrench | Performing Operations; Transporting | 15 | Expired |
| USD472115S1 | Ratchet wrench | General | 13 | Expired |
| US6182536A | Hand tool with ratchet handle and associated quick release mechanism | Performing Operations; Transporting | 11 | Expired |
| US5501125A | Quick release mechanism for tools such as socket wrenches | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD425769S | Tool handle | General | 7 | Expired |
| US6098500A | Hand tool with ratchet handle and associated quick release mechanism | Performing Operations; Transporting | 6 | Expired |
| USD359668S | Quick release mechanism actuator for tools such as socket wrenches | General | 5 | Expired |
| US7398713B2 | Quick release mechanism for tools such as socket wrenches | Performing Operations; Transporting | 5 | Expired |
| US8047103B2 | Universal joint with coupling mechanism for detachably engaging tool attachments | Emerging Cross-Sectional Technologies | 4 | Active |
| USD419407S | Socket wrench | General | 4 | Expired |
| US8746113B2 | Universal joint coupling mechanism for detachably engaging tool attachments | Emerging Cross-Sectional Technologies | 3 | Active |
| USD468978S1 | Tool handle | General | 2 | Expired |
| US8991286B2 | Coupling mechanisms for detachable engaging tool attachments | Emerging Cross-Sectional Technologies | 2 | Active |
| US8024997B2 | Coupling mechanisms for detachably engaging tool attachments | Emerging Cross-Sectional Technologies | 1 | Active |
| US4132443A | Method and apparatus suitable for gripping an annular workpiece | Performing Operations; Transporting | 1 | Expired |
| US7472629B2 | Ratchet wrench | Performing Operations; Transporting | 1 | Expired |
| US10220495B2 | Coupling mechanisms for detachably engaging tool attachments | Emerging Cross-Sectional Technologies | 0 | Active |
| US12038009B2 | Water-conserving liquid ring vacuum pump system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8258438B2 | Condensation-free and bacteria-free pan system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.