Donald J. Hartley

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Indianapolis, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fan spider with rake angle
- Patent number 4,242,046
- Issue date Dec 30, 1980
- Wallace Murray Corporation
- Joseph V. Matucheski
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Flexible bladed fan construction
- Patent number 4,172,693
- Issue date Oct 30, 1979
- Wallace Murray Corporation
- William D. Barton
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES