Inventor · disambiguated record
Ludwig Erd
Also filed as: ERD LUDWIG
4 granted patents·88 citations·filing 1982–2011
78Inventor score
Top patents by PatentIndex Score
4 records- 0188US4439700AMagnetic drive system for generating linear movementsVACUUMSCHMELZE GMBH·Filed 1982·Granted Mar 27, 1984·42 cites·6 claims
- 0277US9257890B2Permanent magnet rotor for an electrical machineERD LUDWIG·Filed 2011·Granted Feb 9, 2016·6 cites·14 claims
- 0370US8847453B2Rotor and method for manufacturing a rotor of an electric machineBAYER HEINER·Filed 2010·Granted Sep 30, 2014·5 cites·14 claims
- 0461US4951023AElectromagnetic drive apparatus having a flat coilVACUUMSCHMELZE GMBH·Filed 1985·Granted Aug 21, 1990·35 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →