David A. Pierman

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Medina, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for controlled release of lubricant additives...
- Patent number 8,727,627
- Issue date May 20, 2014
- The Timken Company
- Ryan D. Evans
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Method for Controlled Release of Lubricant Additives...
- Publication number 20120170883
- Publication date Jul 5, 2012
- THE TIMKEN COMPANY
- Ryan D. Evans
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...