Ronald D. Hirth

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Troy, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Electric motor having a reverse air flow cooling system
- Patent number 6,933,638
- Issue date Aug 23, 2005
- A. O. Smith Corporation
- Ron D. Hirth
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Combination shield and conduit box cover
- Patent number 6,926,502
- Issue date Aug 9, 2005
- A. O. Smith Corporation
- Chih M. Lin
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electric motor having a rain baffle
- Patent number 6,563,240
- Issue date May 13, 2003
- A. O. Smith Corporation
- Chih Min Lin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electric motor having a reverse air flow cooling system
- Publication number 20050093382
- Publication date May 5, 2005
- A.O. Smith Corporation
- Ron D. Hirth
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Combination shield and conduit box cover
- Publication number 20030161742
- Publication date Aug 28, 2003
- A.O. Smith Corporation
- Chih M. Lin
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Electric motor having a rain baffle
- Publication number 20020153788
- Publication date Oct 24, 2002
- A.O. Smith Corporation
- Chih Min Lin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER