Ann T. Hill

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Ballston Spa, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Combined solid-state and mechanically-switched transformer tap-changer
- Patent number 5,408,171
- Issue date Apr 18, 1995
- Electric Power Research Institute, Inc.
- Murray A. Eitzmann
- G05 - CONTROLLING REGULATING
Information Patent Grant
Dynamic braking resistor system
- Patent number 5,198,745
- Issue date Mar 30, 1993
- Electric Power Research Institute
- Einar V. Larsen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER