Patrick Lefebvre
7Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Jul 27, 1993 → Oct 6, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5384943A | Snap-hook with self-locking roller | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5562003A | Apparatus for detecting the level of a liquid in a tank | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US9681695B2 | Helmet with chin cup | Human Necessities | 11 | Active |
| US9573002B2 | Self-blocking descender-belay device | Human Necessities | 3 | Active |
| US9803719B2 | Connection device which is displaceable and removable along a rope | Emerging Cross-Sectional Technologies | 1 | Active |
| US7647520B2 | Electronic device for generating synchronization signals | Electricity | 0 | Active |
| US7643592B2 | Electronic device for generating secure synchronization signals | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.