John Walter

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Niantic, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Static power converter multilevel phase driver containing power sem...
- Patent number 6,101,109
- Issue date Aug 8, 2000
- Greg A. Duba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and arrangement for direct current circuit interruption
- Patent number 6,075,684
- Issue date Jun 13, 2000
- Electric Boat Corporation
- Greg A. Duba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fault protection arrangement for electric power distribution systems
- Patent number 6,008,971
- Issue date Dec 28, 1999
- Electric Boat Corporation
- Greg Duba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular static power converter connected in a multi-level, multi-ph...
- Patent number 5,933,339
- Issue date Aug 3, 1999
- Electric Boat Corporation
- Greg A. Duba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER