Inventor · disambiguated record
Hermann Ortwein
Also filed as: ORTWEIN HERMANN · ORTWEIN HERMANN J
14 granted patents·397 citations·filing 1979–1997
94Inventor score
Top patents by PatentIndex Score
14 records- 0198US5173012AGround-borne noise and vibration dampingCLOUTH GUMMIWERKE AG·Filed 1990·Granted Dec 22, 1992·164 cites·6 claims
- 0273US4500037ARailway road bedCLOUTH GUMMIWERKE AG·Filed 1982·Granted Feb 19, 1985·38 cites·11 claims
- 0370US5060856ASound-damping mat, especially for a ballast bedORTWEIN HERMANN·Filed 1990·Granted Oct 29, 1991·19 cites·17 claims
- 0469US4775103AElastically mounted rails for vehicle tracksORTWEIN HERMANN·Filed 1986·Granted Oct 4, 1988·32 cites·11 claims
- 0559US4266719ATrack mounting assembly and sound-damping system thereforeCLOUTH GUMMIWERKE AG·Filed 1979·Granted May 12, 1981·20 cites·6 claims
- 0657US4720043AResilient ballast underlayment mat including nonwoven fiber fleece layersCLOUTH GUMMIWERKE AG·Filed 1986·Granted Jan 19, 1988·21 cites·5 claims
- 0754US4696429AElastic mat for a ballast bed underlaymentCLOUTH GUMMIWERKE AG·Filed 1985·Granted Sep 29, 1987·18 cites·21 claims
- 0848US6293473B1Railroad substructureFiled 1997·Granted Sep 25, 2001·21 cites·10 claims
- 0944US5788153AInfrastructure for railway tracksFiled 1995·Granted Aug 4, 1998·16 cites·12 claims
- 1043US4527736AElastomeric railway-rail mountCLOUTH GUMMIWERKE AG·Filed 1983·Granted Jul 9, 1985·10 cites·9 claims
- 1140US6079631ARail-fastening assemblyPANDROL LTD·Filed 1996·Granted Jun 27, 2000·17 cites·33 claims
- 1236US4723706ARail supportCLOUTH GUMMIWERKE AG·Filed 1986·Granted Feb 9, 1988·8 cites·8 claims
- 1336US4637646AWheel set for rail vehiclesCLOUTH GUMMIWERKE AG·Filed 1984·Granted Jan 20, 1987·7 cites·7 claims
- 1436US4577801AElastomeric mounting for railway rail with differently angled flanksCLOUTH GUMMIWERKE AG·Filed 1981·Granted Mar 25, 1986·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →