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Heinz Gilcher
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last 30 patents
Information
Patent Grant
Railway vehicle wheel detector utilizing magnetic differential bridge
Patent number
5,333,820
Issue date
Aug 2, 1994
Union Switch & Signal Inc.
Heinz Gilcher
B61 - RAILWAYS
Information
Patent Grant
Vital solid state relay for railroad alternating current track circ...
Patent number
4,535,959
Issue date
Aug 20, 1985
American Standard Inc.
Heinz Gilcher
B61 - RAILWAYS
Information
Patent Grant
Code reset apparatus for railroad track circuits
Patent number
4,407,470
Issue date
Oct 4, 1983
American Standard Inc.
Heinz Gilcher
B61 - RAILWAYS
Information
Patent Grant
Vital cross field transformer circuit arrangement for railroad sign...
Patent number
4,298,179
Issue date
Nov 3, 1981
American Standard Inc.
Heinz Gilcher
B61 - RAILWAYS
Information
Patent Grant
Vital voltage regulator and phase shift circuit arrangement
Patent number
4,258,312
Issue date
Mar 24, 1981
American Standard Inc.
Heinz Gilcher
G05 - CONTROLLING REGULATING
Information
Patent Grant
Differential clamp-on railway vehicle wheel detector
Patent number
4,200,856
Issue date
Apr 29, 1980
Westinghouse Air Brake Company
Heinz Gilcher
G01 - MEASURING TESTING
Information
Patent Grant
Bolt-like railway vehicle wheel detector
Patent number
4,200,855
Issue date
Apr 29, 1980
Westinghouse Air Brake Company
Heinz Gilcher
G01 - MEASURING TESTING
Information
Patent Grant
Vital power varistor circuit for railroad signaling systems
Patent number
4,188,002
Issue date
Feb 12, 1980
Westinghouse Air Brake Company
Heinz Gilcher
G01 - MEASURING TESTING