Inventor · disambiguated record
Hemmo H. J. Ludoph
Also filed as: LUDOPH HEMMO H J · LUDOPH HEMMO HERMANNES JOHANNE
4 granted patents·160 citations·filing 1976–1977
80Inventor score
Technology areasF16H
Files withDOORNES TRANSMISSIE BV4
Top patents by PatentIndex Score
4 records- 0195US4152947AMethod and apparatus for controlling an infinitely variable transmissionDOORNES TRANSMISSIE BV·Filed 1977·Granted May 8, 1979·86 cites·27 claims
- 0287US4143558AVariable-V-belt transmissionDOORNES TRANSMISSIE BV·Filed 1976·Granted Mar 13, 1979·39 cites·2 claims
- 0376US4094203AInfinitely variable drive method and apparatusDOORNES TRANSMISSIE BV·Filed 1977·Granted Jun 13, 1978·26 cites·3 claims
- 0446US4056015AStepless variable transmissionDOORNES TRANSMISSIE BV·Filed 1976·Granted Nov 1, 1977·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →