Curtis Phillip Ring

Inventor

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Work History

Patent OwnerApplications FiledYear
STELLARTON TECHNOLOGIES INC.
2
2009
ROBBINS & MYERS CANADA, LTD.
2
1
1996
1997
Ecoquip Artificial Lift, Ltd.
1
1998

Inventor Addresses

AddressDuration
Calgary, CANov 05, 09 - Nov 15, 11
Okotoks, CAMay 05, 98 - Dec 07, 99

Technology Profile

Technology # of Patents
E21B: EARTH OR ROCK DRILLING 6

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
8,056,6212011Master ball valve with integrated hanger0
2009/0272,5222009MASTER BALL VALVE WITH INTEGRATED HANGER0
5,996,6881999Hydraulic pump jack drive system for reciprocating an oil well pump rod8
5,875,8411999Oil well blow-out preventer16
5,794,6931998Dual tubing string hanging apparatus13

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