Bobby Hu
204Patents
27h-index
4Co-inventors
83Inventor score
Filing activity: Oct 21, 1997 → Mar 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6216567A | Ratcheting tools having an angle-adjustable head | Performing Operations; Transporting | 83 | Expired |
| US6282992A | Biasing arrangement for a pawl of a reversible ratchet-type wrench | Performing Operations; Transporting | 77 | Expired |
| US5899329A | Display tool box | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6282991A | Biasing arrangement for a pawl of a reversible ratchet-type wrench | Performing Operations; Transporting | 66 | Expired |
| US6457387B1 | Reversible ratcheting tool with a smaller head and improved driving torque | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6431031B1 | Reversible ratcheting tool with a smaller head | Performing Operations; Transporting | 50 | Expired |
| US6453779B2 | Positioning device for a switch member of a reversible ratchet-type wrench | Performing Operations; Transporting | 49 | Expired |
| US7143669B2 | Wrench combination | Performing Operations; Transporting | 46 | Expired |
| US6148695A | Ratchet wheel with asymmetric arcuate concave teeth or non-arcuate concave teeth and ratcheting tools with such ratchet wheel | Performing Operations; Transporting | 46 | Expired |
| US6823762B2 | Wrench extension with a socket-coupling system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6722234B2 | Easy-to-operate and easy-to-assemble ratcheting-type wrench | Performing Operations; Transporting | 39 | Expired |
| US6666112B2 | Switching arrangement for a reversible ratchet type wrench | Performing Operations; Transporting | 38 | Expired |
| US6568299B2 | Reversible ratcheting tool with a smaller head | Performing Operations; Transporting | 37 | Expired |
| US6732614B2 | Easy-to-manufacture and easy-to-assemble ratcheting-type wrench | Performing Operations; Transporting | 37 | Expired |
| US5938028A | Tool holder for hexagonal wrenches | Performing Operations; Transporting | 37 | Expired |
| USD498778S1 | Gear wheel | General | 35 | Expired |
| US6301998A | Ratchet wheel with asymmetric arcuate concave teeth or non-arcuate concave teeth and socket wrench with such ratchet wheel | Performing Operations; Transporting | 35 | Expired |
| US6971286B2 | Ratcheting wrench with quick tightening/loosening functions and fine adjusting functions | Performing Operations; Transporting | 35 | Expired |
| US6263767A | Pawl for a ratchet-type spanner | Performing Operations; Transporting | 34 | Expired |
| US7237460B2 | Biasing arrangement for a pawl of a reversible ratchet-type wrench | Performing Operations; Transporting | 34 | Expired |
| US6701813B2 | Wrench with a fixed maximum operational torque | Performing Operations; Transporting | 31 | Expired |
| US6409015B1 | Tool pack with a flexible portion and a try-on device | Performing Operations; Transporting | 31 | Expired |
| US7032478B2 | Ratcheting wrench with quick tightening/loosening functions and fine adjusting functions | Performing Operations; Transporting | 31 | Expired |
| US6644148B2 | Reversible ratchet-type wrench | Performing Operations; Transporting | 30 | Expired |
| US6032556A | Hex wrench | Performing Operations; Transporting | 30 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.