David O. Crane
9Patents
6h-index
11Co-inventors
60Inventor score
Filing activity: Apr 1, 1983 → Feb 13, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4544039A | Torque transducing systems for impact tools and impact tools incorporating such systems | Performing Operations; Transporting | 18 | Expired |
| US7021180B2 | Torque sensing tool | Performing Operations; Transporting | 15 | Expired |
| US6202028A | Variable torque rate simulated test joint | Physics | 11 | Expired |
| US5557975A | Torque transducers | Electricity | 9 | Expired |
| US4757721A | Torque transducers | Physics | 8 | Expired |
| US5533409A | Torque wrench with angular motion detector | Performing Operations; Transporting | 7 | Expired |
| US6450045B1 | Torque sensing calibration unit | Physics | 2 | Expired |
| US4597296A | Torque transducing attachments for air-driven impact tools | Performing Operations; Transporting | 2 | Expired |
| US8840377B2 | Fluid compressor and motor vehicle refuelling apparatus | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.