Thomas T. Hand

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Andreas, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
High impact discharge valve
- Patent number 7,168,446
- Issue date Jan 30, 2007
- Air Products and Chemicals, Inc.
- David Jonathan Chalk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
High impact discharge valve
- Publication number 20060260693
- Publication date Nov 23, 2006
- David Jonathan Chalk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...