Derk van der Scheer
8Patents
3h-index
4Co-inventors
46Inventor score
Filing activity: Aug 9, 1977 → Dec 28, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4354215A | Selective safety device for the protection of a power distribution system | Electricity | 29 | Expired |
| US5006681A | Leaf spring system and an electric switch provided with such a leaf spring system | Electricity | 6 | Expired |
| US4172241A | Electromagnetic actuation device comprising a magnetic holding mechanism, particularly for the actuation of high-speed circuit breakers | Electricity | 3 | Expired |
| US4542364A | End cap for an electric high voltage fuse | Electricity | 3 | Expired |
| US4536735A | Current limiting high voltage fuse assembly | Electricity | 3 | Expired |
| US4562320A | Current-limiting device | Electricity | 2 | Expired |
| US4935711A | Electromagnetic switch | Electricity | 1 | Expired |
| US4319210A | Current limiting switch capable of rapid circuit breaking | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.