Klaus H. Frielinghaus

Person

Rochester, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Railway train speed restriction apparatus
- Patent number 5,181,679
- Issue date Jan 26, 1993
- General Railway Signal Corporation
- Klaus Frielinghaus
- B61 - RAILWAYS
Information Patent Grant
Apparatus and method for measuring insulated track joint resistances
- Patent number 5,045,787
- Issue date Sep 3, 1991
- General Signal Corporation
- John H. Auer
- G01 - MEASURING TESTING
Information Patent Grant
Broken rail and/or broken rail joint bar detection
- Patent number 4,886,226
- Issue date Dec 12, 1989
- General Signal Corporation
- Klaus H. Frielinghaus
- 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
Railway wheel detector
- Patent number 4,630,792
- Issue date Dec 23, 1986
- General Signal Corporation
- Klaus H. Frielinghaus
- B61 - RAILWAYS
Information Patent Grant
Vital track circuit wheel detector
- Patent number 4,570,882
- Issue date Feb 18, 1986
- General Signal Corporation
- Klaus H. Frielinghaus
- B61 - RAILWAYS
Information Patent Grant
Automatic counting system for passages
- Patent number 4,528,679
- Issue date Jul 9, 1985
- General Signal Corporation
- Zalmai S. Shahbaz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Track circuit principle wheel detector
- Patent number 4,351,504
- Issue date Sep 28, 1982
- General Signal Corporation
- Klaus H. Frielinghaus
- B61 - RAILWAYS
Information Patent Grant
Track signalling system
- Patent number 4,074,879
- Issue date Feb 21, 1978
- General Signal Corporation
- Gary E. Clark
- B61 - RAILWAYS
Information Patent Grant
Flat wheel detector
- Patent number 4,058,279
- Issue date Nov 15, 1977
- General Signal Corporation
- Klaus H. Frielinghaus
- G01 - MEASURING TESTING
Information Patent Grant
Jointless high frequency track circuit systems for railroads
- Patent number 4,053,128
- Issue date Oct 11, 1977
- General Signal Corporation
- Klaus H. Frielinghaus
- B61 - RAILWAYS

Klaus H. Frielinghaus

Person

Patents Grantslast 30 patents

Railway train speed restriction apparatus

Apparatus and method for measuring insulated track joint resistances

Broken rail and/or broken rail joint bar detection

Combination frequency loop coupling for railway track signalling

Railway wheel detector

Vital track circuit wheel detector

Automatic counting system for passages

Track circuit principle wheel detector

Track signalling system

Flat wheel detector

Jointless high frequency track circuit systems for railroads