Inventor · disambiguated record
Alan Clark
Also filed as: CLARK ALAN · CLARK ALAN M · CLARK ALAN MURRAY
4 granted patents·2 pending applications·84 citations·filing 2000–2020
76Inventor score
Technology areasE21B
Top patents by PatentIndex Score
6 records- 0166US6705401B2Ported subsea wellheadVETCO GRAY INC ABB·Filed 2002·Granted Mar 16, 2004·38 cites·19 claims
- 0261US6394194B1Method and apparatus for a drill cutting injection systemVETCO GRAY INC ABB·Filed 2000·Granted May 28, 2002·33 cites·18 claims
- 0347US6708766B2Wellhead assembly for communicating with the casing hanger annulusVETCO GRAY INC ABB·Filed 2002·Granted Mar 23, 2004·13 cites·19 claims
- 0440US11952840B2Managed pressure drilling system and method of useDEEP BLUE OIL & GAS LTD·Filed 2020·Granted Apr 9, 2024·0 cites·21 claims
- 0535US2019195032A1Riser gas handling system and method of useELECTRO FLOW CONTROLS LTD·Filed 2017·Application pending·0 cites
- 0632US2022403709A1Well control system and method of useDEEP BLUE OIL & GAS LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →