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Michael H. McNaull
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Ashland, OH, US
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last 30 patents
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Patent Grant
Center valve sleeve retention system for an oscillating pump
Patent number
6,960,068
Issue date
Nov 1, 2005
The Gorman-Rupp Company
Michael H. McNaull
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Electromagnetically driven diaphragm pump
Patent number
6,758,657
Issue date
Jul 6, 2004
The Gorman-Rupp Company
Michael H. McNaull
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Electromagnetic oscillating pump with self-aligning springs
Patent number
6,012,910
Issue date
Jan 11, 2000
The Gorman-Rupp Company
Michael H. McNaull
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Bellows operated oscillating pump
Patent number
5,915,930
Issue date
Jun 29, 1999
The Gorman-Rupp Company
Michael H. McNaull
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Spring biased check valve for an electromagnetically driven oscilla...
Patent number
5,567,131
Issue date
Oct 22, 1996
Gorman-Rupp Industries
Michael H. McNaull
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Unitary bearing member and motor incorporating the same
Patent number
4,768,888
Issue date
Sep 6, 1988
McNeil (Ohio) Corporation
Michael H. McNaull
E21 - EARTH DRILLING MINING