Harry P. Hiebeler

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Inner guide seal assembly and method for a ram type BOP system
- Patent number 7,464,765
- Issue date Dec 16, 2008
- National-Oilwell DHT, L.P.
- C. Steven Isaacks
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shear/seal ram assembly for a ram-type blowout prevention system
- Patent number 7,243,713
- Issue date Jul 17, 2007
- National-Oilwell DHT, L.P.
- C. Steven Isaacks
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE TOOL WITH EXTERNAL HOUSING TORQUE TRANSFER
- Publication number 20130186689
- Publication date Jul 25, 2013
- National-Oilwell Varco, L.P.
- David Alan GARCIA
- E21 - EARTH DRILLING MINING
Information Patent Application
Inner guide seal assembly for a ram type BOP system
- Publication number 20070044976
- Publication date Mar 1, 2007
- National-Oilwell DHT, L.P.
- C. Steven Isaacks
- E21 - EARTH DRILLING MINING
Information Patent Application
Shear/seal ram assembly for a ram-type blowout prevention system
- Publication number 20060113501
- Publication date Jun 1, 2006
- C. Steven Isaacks
- E21 - EARTH DRILLING MINING