Richard L. Dudman

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Euclid, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Gasket ring with sharp peaks
- Patent number 7,455,300
- Issue date Nov 25, 2008
- Richard L. Dudman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Extreme-temperature sealing device and annular seal therefor
- Patent number 4,457,491
- Issue date Jul 3, 1984
- EGC Enterprises Incorp.
- Richard L. Dudman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CONTROL VALVE ASSEMBLY
- Publication number 20130320252
- Publication date Dec 5, 2013
- EGC ENTERPRISES, INC.
- David C. Hageman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PRESSURE SEAL
- Publication number 20120261890
- Publication date Oct 18, 2012
- David C. Hageman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Seal, Sealing System, and Method for Sealing
- Publication number 20070296161
- Publication date Dec 27, 2007
- Richard L. Dudman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Gasket ring with sharp peaks
- Publication number 20060145428
- Publication date Jul 6, 2006
- Richard L. Dudman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...