Inventor · disambiguated record
Craig D. Hines
Also filed as: HINES CRAIG D
5 granted patents·174 citations·filing 1987–1993
84Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0182US4834183ASurface controlled subsurface safety valveOTIS ENG CO·Filed 1988·Granted May 30, 1989·66 cites·19 claims
- 0267US5323859AStreamlined flapper valveHALLIBURTON CO·Filed 1993·Granted Jun 28, 1994·38 cites·10 claims
- 0357US4842074AGas storage well safety system and methodOTIS ENG CO·Filed 1987·Granted Jun 27, 1989·28 cites·5 claims
- 0449US5318127ASurface controlled annulus safety system for well boresHALLIBURTON CO·Filed 1992·Granted Jun 7, 1994·23 cites·20 claims
- 0548US5137089AStreamlined flapper valveOTIS ENG CO·Filed 1990·Granted Aug 11, 1992·19 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →