Norman Ward

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Gloucester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Skinning of progressive cavity apparatus
- Patent number 8,337,182
- Issue date Dec 25, 2012
- Schlumberger Technology Corporation
- Lawrence Lee
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
Skinning of progressive cavity apparatus
- Publication number 20090016893
- Publication date Jan 15, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Lawrence Lee
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...