Frank S. Buchwald

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Beachwood, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple chopper speed control system for compound motor
- Patent number 4,751,439
- Issue date Jun 14, 1988
- Caterpillar Industrial Inc.
- Frank S. Buchwald
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brush wear indicator
- Patent number 4,272,695
- Issue date Jun 9, 1981
- Towmotor Corporation
- Frank S. Buchwald
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Control system for a compound DC electric motor
- Patent number 4,107,586
- Issue date Aug 15, 1978
- Towmotor Corporation
- Frank S. Buchwald
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Compound D.C. electrical motor with shunt field demagnetization pro...
- Patent number 4,080,556
- Issue date Mar 21, 1978
- Caterpillar Tractor Co.
- Frank S. Buchwald
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER