Philippe Lavernhe

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Poitiers, FR

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Patents Grantslast 30 patents

Information Patent Grant
Plural conduit replaceable outer support structure for radial flow...
- Patent number 7,226,568
- Issue date Jun 5, 2007
- Weatherford/Lamb, Inc.
- Pierre M. Ham
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Drain element comprising a liner consisting of hollow rods for coll...
- Patent number 6,851,560
- Issue date Feb 8, 2005
- Johnson Filtration Systems
- Raphaël Reig
- E21 - EARTH DRILLING MINING
Information Patent Grant
Compact double screen assembly
- Patent number 5,738,170
- Issue date Apr 14, 1998
- United States Filter Corporation
- Philippe O. Lavernhe
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drain element comprising a liner consisting of hollow rods for coll...
- Publication number 20040031607
- Publication date Feb 19, 2004
- Rapha?euml;l Reig
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL