Richard Friedl

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Brunswick, DE

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Patents Grantslast 30 patents

Information Patent Grant
Current-transformer arrangement for an electrostatic meter
- Patent number 4,894,610
- Issue date Jan 16, 1990
- LOZ Landis & Gyr Zug AG
- Richard Friedl
- G01 - MEASURING TESTING
Information Patent Grant
Electricity meter with arrangement for monitoring core saturation i...
- Patent number 4,843,310
- Issue date Jun 27, 1989
- LGZ Landis & Gyr Zug AG
- Richard Friedl
- G01 - MEASURING TESTING
Information Patent Grant
Transducer for current measurements
- Patent number 4,794,326
- Issue date Dec 27, 1988
- LGZ Landis
- Richard Friedl
- G01 - MEASURING TESTING
Information Patent Grant
Active current transformer
- Patent number 4,629,974
- Issue date Dec 16, 1986
- LGZ Landis & Gyr Zug AG
- Richard Friedl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Active current sensor with primary reducing winding
- Patent number 4,626,778
- Issue date Dec 2, 1986
- LGZ Landis & Gyr Zug AG
- Richard Friedl
- G01 - MEASURING TESTING
Information Patent Grant
Transducer for current measurement
- Patent number 4,513,273
- Issue date Apr 23, 1985
- LGZ Landis & Gyr Zug AG
- Richard Friedl
- G01 - MEASURING TESTING