Hermann Ortwein

Person

D-500 Koln 60, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Railroad substructure
- Patent number 6,293,473
- Issue date Sep 25, 2001
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Infrastructure for railway tracks
- Patent number 5,788,153
- Issue date Aug 4, 1998
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Ground-borne noise and vibration damping
- Patent number 5,173,012
- Issue date Dec 22, 1992
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sound-damping mat, especially for a ballast bed
- Patent number 5,060,856
- Issue date Oct 29, 1991
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Elastically mounted rails for vehicle tracks
- Patent number 4,775,103
- Issue date Oct 4, 1988
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Rail support
- Patent number 4,723,706
- Issue date Feb 9, 1988
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Resilient ballast underlayment mat including nonwoven fiber fleece...
- Patent number 4,720,043
- Issue date Jan 19, 1988
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Elastic mat for a ballast bed underlayment
- Patent number 4,696,429
- Issue date Sep 29, 1987
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Wheel set for rail vehicles
- Patent number 4,637,646
- Issue date Jan 20, 1987
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Elastomeric mounting for railway rail with differently angled flanks
- Patent number 4,577,801
- Issue date Mar 25, 1986
- Clouth Summiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Elastomeric railway-rail mount
- Patent number 4,527,736
- Issue date Jul 9, 1985
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railway road bed
- Patent number 4,500,037
- Issue date Feb 19, 1985
- Clouth Gummiwerke Aktiengesellschaft
- Hans Braitsch
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Track mounting assembly and sound-damping system therefore
- Patent number 4,266,719
- Issue date May 12, 1981
- Clouth Gummiwerke Aktiengesellschaft
- Hermann Ortwein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Hermann Ortwein

Person

Patents Grantslast 30 patents

Railroad substructure

Infrastructure for railway tracks

Ground-borne noise and vibration damping

Sound-damping mat, especially for a ballast bed

Elastically mounted rails for vehicle tracks

Rail support

Resilient ballast underlayment mat including nonwoven fiber fleece...

Elastic mat for a ballast bed underlayment

Wheel set for rail vehicles

Elastomeric mounting for railway rail with differently angled flanks

Elastomeric railway-rail mount

Railway road bed

Track mounting assembly and sound-damping system therefore