Richard K. Donelson

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Emigsville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydro-turbine runner
- Patent number 6,533,536
- Issue date Mar 18, 2003
- Voith Hydro, Inc.
- Richard K. Fisher
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Adjustable blade turbines
- Patent number 6,402,477
- Issue date Jun 11, 2002
- Voith Siemens Hydro Power Generation, Inc.
- Joseph M. Cybularz
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Hydro-turbine runner
- Patent number 6,254,339
- Issue date Jul 3, 2001
- Voith Siemens Hydro Power Generation, Inc.
- Richard K. Fisher
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Adjustable blade turbines
- Patent number 6,164,907
- Issue date Dec 26, 2000
- Voith Siemens Hydro Power Generation Inc.
- Joseph M. Cybularz
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Hydro-turbine runner
- Patent number 5,954,474
- Issue date Sep 21, 1999
- Voith Hydro, Inc.
- Richard K. Fisher
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Adjustable blade turbines
- Patent number 5,947,679
- Issue date Sep 7, 1999
- Voith Hydro, Inc.
- Joseph M. Cybularz
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...