Robert J. Logan

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Circuit-breaker
- Patent number 4,431,886
- Issue date Feb 14, 1984
- Northern Engineering Industries plc
- Robert J. Logan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Motor control circuits
- Patent number 4,214,195
- Issue date Jul 22, 1980
- Inductive Controls Limited
- Robert J. Logan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Saturable reactors
- Patent number 4,178,540
- Issue date Dec 11, 1979
- Inductive Controls Limited
- Robert J. Logan
- G05 - CONTROLLING REGULATING
Information Patent Grant
Saturable reactors with feedback
- Patent number 4,155,034
- Issue date May 15, 1979
- Inductive Controls Limited
- Robert J. Logan
- G05 - CONTROLLING REGULATING