Peter Birch

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Sussex, DE

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Patents Grantslast 30 patents

Information Patent Grant
Roots pump connection channels separating adjacent pump stages
- Patent number 9,476,423
- Issue date Oct 25, 2016
- Oerlikon Leybold Vaccum GmbH
- Peter Birch
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
ROOTS PUMP
- Publication number 20140205483
- Publication date Jul 24, 2014
- Peter Birch
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...