Gravity shunting humps

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Patents Grantslast 30 patents

Information Patent Grant
Method for operating a switching hump system and control means for...
- Patent number 9,145,151
- Issue date Sep 29, 2015
- Siemens Aktiengesellschaft
- Gerhard Dierkes
- B61 - RAILWAYS
Information Patent Grant
Method for operating a switching hump yard, and control device for...
- Patent number 9,126,606
- Issue date Sep 8, 2015
- Siemens Aktiengesellschaft
- Peter Kuehs
- B61 - RAILWAYS
Information Patent Grant
Automatic switching system for track-bound freight cars
- Patent number 5,758,848
- Issue date Jun 2, 1998
- Erhard Beule
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Railway car retarder system
- Patent number 5,676,337
- Issue date Oct 14, 1997
- Union Switch & Signal Inc.
- Theo C. Giras
- B61 - RAILWAYS
Information Patent Grant
3848534
- Patent number 3,848,534
- Issue date Nov 19, 1974
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
3815508
- Patent number 3,815,508
- Issue date Jun 11, 1974
- B61 - RAILWAYS
Information Patent Grant
3372652
- Patent number 3,372,652
- Issue date Mar 12, 1968
- B61 - RAILWAYS
Information Patent Grant
3141420
- Patent number 3,141,420
- Issue date Jul 21, 1964
- B61 - RAILWAYS
Information Patent Grant
1883964
- Patent number 1,883,964
- Issue date Oct 25, 1932
- B61 - RAILWAYS