Inventor · disambiguated record
Fritz Frederich
Also filed as: FREDERICH FRITZ
3 granted patents·29 citations·filing 1975–1992
69Inventor score
Top patents by PatentIndex Score
3 records- 0152US3946974ARailway switch construction for suspended railroad using two-runway-rail suspension railsUERDINGEN AG WAGGONFABRIK·Filed 1975·Granted Mar 30, 1976·13 cites·13 claims
- 0246US4164990APassenger evacuation apparatusWAGGONFABRIK UERDINGEN AKTIENG·Filed 1978·Granted Aug 21, 1979·12 cites·11 claims
- 0326US5463550ADriving and braking control of vehicles equipped with a plurality of single wheel drive and brake modulesAEG WESTINGHOUSE TRANSPORT·Filed 1992·Granted Oct 31, 1995·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →