Inventor · disambiguated record
Christian Stiefel
Also filed as: STIEFEL CHRISTIAN
4 granted patents·52 citations·filing 1975–1981
77Inventor score
Top patents by PatentIndex Score
4 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
- 0248US4428565AArrangement for resilient absorption of forcesRINGFEDER GMBH·Filed 1981·Granted Jan 31, 1984·17 cites·24 claims
- 0346US4164990APassenger evacuation apparatusWAGGONFABRIK UERDINGEN AKTIENG·Filed 1978·Granted Aug 21, 1979·12 cites·11 claims
- 0439US4260142AArrangement for resilient absorption of forcesRINGFEDER GMBH·Filed 1979·Granted Apr 7, 1981·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →