David M. Coombs
9Patents
8h-index
10Co-inventors
62Inventor score
Filing activity: Nov 8, 1995 → Mar 7, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6630885B2 | Electronic tire management system | Performing Operations; Transporting | 171 | Expired |
| US7161476B2 | Electronic tire management system | Performing Operations; Transporting | 110 | Expired |
| US6885296B2 | Electronic tire management system | Performing Operations; Transporting | 35 | Expired |
| US7739529B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 34 | Active |
| US5634436A | Exercise and amusement device for animals | Human Necessities | 20 | Expired |
| US8266465B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 14 | Active |
| US5723966A | System and method for increasing the efficiency of alternating current induction motors | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8151127B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 8 | Active |
| US8279050B2 | Multiple user controlled object | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.