Marc Heyraud
15Patents
6h-index
4Co-inventors
55Inventor score
Filing activity: Sep 5, 1975 → Oct 15, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4677332A | Electric motor having auxiliary portions distributed at a pitch which is an odd number sub-multiple of the pitch of active portions | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4723712A | Variable colorant blender | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5488260A | Encapsulated magnets in a permanent magnet rotor | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4634912A | Electromechanical transducer having a self-inductance cancelling coil assembly | Electricity | 15 | Expired |
| US4661733A | DC motor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4219825A | Electric actuating device | Physics | 6 | Expired |
| US4136294A | Direct-current micromotor | Electricity | 6 | Expired |
| US4716330A | DC motor with commutator rotor | Electricity | 5 | Expired |
| US4060746A | Electric direct current rotating machine | Electricity | 5 | Expired |
| US4291457A | Method of making self-supporting rotor coil dc-machine | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4684860A | Electric motor drive equipped with a permanently magnetized rotor | Electricity | 4 | Expired |
| US4219753A | Winding arrangement for a direct current electric machine | Electricity | 4 | Expired |
| US4543507A | Self-supporting rotor coil for dc-machine | Electricity | 4 | Expired |
| US4084502A | Electric acutating device | Physics | 3 | Expired |
| US4982085A | Incremental optical encoder with radiation regulation means | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.