David Haywood

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Leeston, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Cryogenic refrigerator system with pressure wave generator
- Patent number 8,984,898
- Issue date Mar 24, 2015
- Industrial Research Limited
- Alan Caughley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Pressure Wave Generator
- Publication number 20120227416
- Publication date Sep 13, 2012
- Alan Caughley
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...