Peter Andrew Gray

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Figtree, AU

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Patents Grantslast 30 patents

Information Patent Grant
Injection, sealing valving and passageway system
- Patent number 8,753,041
- Issue date Jun 17, 2014
- Peter Andrew Gray
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Hollow Bar Manufacturing Process
- Publication number 20080113534
- Publication date May 15, 2008
- Peter Andrew Gray
- Peter A. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Process for forming a threaded member
- Publication number 20040025557
- Publication date Feb 12, 2004
- Peter Andrew Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...