Perry Lee McClanahan

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Montgomery, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Body to bonnet seal on a blowout preventer
- Patent number 7,967,299
- Issue date Jun 28, 2011
- National-Oilwell Varco, L.P.
- Perry Lee McClanahan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BLOWOUT PREVENTER SEAL ASSEMBLY AND METHOD OF USING SAME
- Publication number 20140110611
- Publication date Apr 24, 2014
- National-Oilwell Varco, L.P.
- Perry Lee McClanahan
- E21 - EARTH DRILLING MINING
Information Patent Application
Body to Bonnet Seal on a Blowout Preventer
- Publication number 20110012311
- Publication date Jan 20, 2011
- National Oilwell Varco, Inc.
- Perry Lee McClanahan
- E21 - EARTH DRILLING MINING