Friedrich K. Levacher

Follow

Person

Brauweiler, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of continuous measurement of damping in an elongated light w...
- Patent number 4,943,714
- Issue date Jul 24, 1990
- Felten & Guilleaume Energietechnik AG
- Friedrich K. Levacher
- G01 - MEASURING TESTING
Information Patent Grant
Device for and method of measuring minute elongations by means of l...
- Patent number 4,900,920
- Issue date Feb 13, 1990
- Felten & Guilleaume Energietechnik Aktiengesellschaft
- Helmut Federmann
- G01 - MEASURING TESTING
Information Patent Grant
Arrangement of a light wave conductor-phase sensor for the measurem...
- Patent number 4,900,922
- Issue date Feb 13, 1990
- Felten & Guilleaume Energietechnik Aktiengesellschaft
- Helmut Federmann
- G01 - MEASURING TESTING
Information Patent Grant
Light wave conductor-sensor for tension
- Patent number 4,840,452
- Issue date Jun 20, 1989
- Felten & Guilleaume Energietechnik GmbH
- Helmut Federmann
- G02 - OPTICS
Information Patent Grant
Light conduit arrangement for monitoring a physical condition of a...
- Patent number 4,840,480
- Issue date Jun 20, 1989
- Philips Kommunikations Industrie A
- J. Peter Starke
- G01 - MEASURING TESTING
Information Patent Grant
High tensile wire provided with light guide sensor
- Patent number 4,634,217
- Issue date Jan 6, 1987
- Felten & Guilleaume Energietechnik GmbH
- Friedrich K. Levacher
- G08 - SIGNALLING