Mark Ezekiel

Inventor

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Work History

Patent OwnerApplications FiledYear
BP EXPLORATION OPERATING COMPANY LIMITED
1
2012
BP CORPORATION NORTH AMERICA INC.
2
2
2010
2012

Inventor Addresses

AddressDuration
Magnolia, TX, USNov 04, 10 - Mar 19, 13

Technology Profile

Technology # of Patents
E21B: EARTH OR ROCK DRILLING 2
F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING 4

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
8,398,0532013Double piston trunnion mounted ball valves and methods of use0
2012/0273,2092012WEGHTED PRESSURE RELIEF VALVE1
2012/0273,2202012PRESSURE RELIEF VALVE1
2010/0276,6202010DOUBLE PISTON TRUNNION MOUNTED BALL VALVES AND METHODS OF USE0


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