Hua Gao
71Patents
17h-index
51Co-inventors
87Inventor score
Filing activity: Mar 11, 1992 → Sep 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6752810B1 | Instrument and method for pulling and twisting a tie onto two separated items | Human Necessities | 205 | Expired |
| US7131467B2 | Instrument for applying a tie to two items and method of making same | Human Necessities | 184 | Expired |
| US7334509B1 | Torque limiting driver and assembly | Performing Operations; Transporting | 51 | Active |
| US7421772B2 | Ratcheting driver with pivoting pawls and method of arranging same | Emerging Cross-Sectional Technologies | 49 | Active |
| USD557584S1 | Handle for a driver for a tool | General | 46 | Expired |
| US7740249B1 | Holder for replaceable tools | Emerging Cross-Sectional Technologies | 44 | Active |
| US5505221A | Umbrella with off-center support | Human Necessities | 43 | Expired |
| US6640674B1 | Screwdriver having a variable torque-limiting in-line drive | Performing Operations; Transporting | 37 | Expired |
| US7243581B1 | Fixed torque limiting driver | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US7810817B1 | Holder for replaceable tools | Emerging Cross-Sectional Technologies | 35 | Active |
| US8985593B1 | Self-locking internal adapter for D-shaped orthopedic adjustment tools | Emerging Cross-Sectional Technologies | 31 | Active |
| US6997084B1 | Ratcheting driver with pivoting pawls and method of arranging same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7467576B2 | Fixed torque limiting driver | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US8764025B1 | Self-locking internal adapter with free guide mechanism | Emerging Cross-Sectional Technologies | 19 | Active |
| US5314469A | Artificial heart | Human Necessities | 19 | Expired |
| US7793573B2 | Torque limiting driver and assembly | Performing Operations; Transporting | 19 | Active |
| USD562665S1 | Ratcheting screwdriver assembly | General | 17 | Expired |
| USD580730S1 | Fixed-torque limiting handle for a driver | General | 16 | Expired |
| USD543433S1 | Rotatable tool handle | General | 16 | Expired |
| US7181997B1 | Ratchet screwdriver and method of making same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7389700B2 | Variable torque-limiting driver | Performing Operations; Transporting | 15 | Active |
| US7806027B1 | Torque limiter wrench and method | Performing Operations; Transporting | 12 | Active |
| US7992472B2 | Torque limiting and ratcheting driver and assembly | Performing Operations; Transporting | 11 | Active |
| US7516676B2 | Torque limiting and ratcheting mechanism having an internal cam | Performing Operations; Transporting | 10 | Active |
| USD566271S1 | Combined distractor and compressor medical instrument | General | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.