James R. HOELSCHER

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ROCHESTER, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Vital current sensor
- Patent number 8,566,050
- Issue date Oct 22, 2013
- Siemens Rail Automation Corporation
- James R. Hoelscher
- G01 - MEASURING TESTING
Information Patent Grant
Automatic vehicle control and location system
- Patent number 5,364,047
- Issue date Nov 15, 1994
- General Railway Signal Corporation
- William A. Petit
- B61 - RAILWAYS
Information Patent Grant
Combination frequency loop coupling for railway track signalling
- Patent number 4,878,638
- Issue date Nov 7, 1989
- General Signal Corporation
- James R. Hoelscher
- B61 - RAILWAYS
Information Patent Grant
Vital interface system for railway signalling
- Patent number 4,611,291
- Issue date Sep 9, 1986
- General Signal Corp.
- James R. Hoelscher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microprocessor based track circuit for occupancy detection and bidi...
- Patent number 4,498,650
- Issue date Feb 12, 1985
- General Signal Corporation
- Barry L. Smith
- B61 - RAILWAYS
Information Patent Grant
Audio frequency track circuit for rapid transit applications with s...
- Patent number 4,352,475
- Issue date Oct 5, 1982
- General Signal Corp.
- Barry L. Smith
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
VITAL CURRENT SENSOR
- Publication number 20110144933
- Publication date Jun 16, 2011
- INVENSYS RAIL CORPORATION
- James R. HOELSCHER
- G01 - MEASURING TESTING