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Earl D. Ervay
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Fairport, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Full point width cutting blades
Patent number
8,267,624
Issue date
Sep 18, 2012
The Gleason Works
Reinhardt Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing straight bevel gears
Patent number
7,364,391
Issue date
Apr 29, 2008
The Gleason Works
Hermann J. Stadtfeld
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for producing face hobbed bevel gears with toe relief
Patent number
5,114,287
Issue date
May 19, 1992
The Gleason Works
Earl D. Ervay
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
MANUFACTURING STRAIGHT BEVEL GEARS
Publication number
20080085166
Publication date
Apr 10, 2008
Hermann J. Stadtfeld
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Full point width cutting blades
Publication number
20060291972
Publication date
Dec 28, 2006
The Gleason Works
Reinhardt Ritter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR