Douglas D. Erdman

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Rossville, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
System for lubricating valve assembly of engine
- Patent number 9,879,575
- Issue date Jan 30, 2018
- Caterpillar Inc.
- Douglas D. Erdman
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR LUBRICATING VALVE ASSEMBLY OF ENGINE
- Publication number 20160281550
- Publication date Sep 29, 2016
- Caterpillar Inc.
- Douglas D. Erdman
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES