Michel Langenfeld
4Patents
3h-index
1Co-inventors
36Inventor score
Filing activity: Nov 27, 1974 → Sep 5, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4301200A | Plastic tube formed by spiral winding of a snap locking profile strip | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4114657A | Large-diameter insulated pipe | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US3992705A | Remote adding and reading device for a meter | Physics | 7 | Expired |
| US3962691A | Device for the transmission over a distance of indications in particular of a meter | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.