Richard A. Barkman

Follow

Person

Royal Oak, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Oil life monitoring system for a diesel engine
- Patent number 7,614,284
- Issue date Nov 10, 2009
- GM Global Technology Operations, Inc.
- Matthew J. Snider
- G01 - MEASURING TESTING
Information Patent Grant
Diesel engine having a cylinder liner with improved cooling charact...
- Patent number 6,363,894
- Issue date Apr 2, 2002
- Detroit Diesel Corporation
- Dick Allen Barkman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
OIL PAN AND ENGINE ASSEMBLY INCLUDING THE OIL PAN
- Publication number 20160237867
- Publication date Aug 18, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Akram R. Zahdeh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Oil life monitoring system for a diesel engine
- Publication number 20080163678
- Publication date Jul 10, 2008
- Matthew J. Snider
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES