Assignee
COMPLETION SERVICES INC
US·6 granted patents·259 citations·filing 1981–1991
Technology mixE21B6
Top patents by PatentIndex Score
6 records- 0186US4858690AUpward movement only actuated gravel pack systemCOMPLETION SERVICES INC·Filed 1988·Granted Aug 22, 1989·83 cites·38 claims
- 0283US4440218ASlurry up particulate placement toolCOMPLETION SERVICES INC·Filed 1981·Granted Apr 3, 1984·59 cites·31 claims
- 0369US4474239ASand placementCOMPLETION SERVICES INC·Filed 1981·Granted Oct 2, 1984·44 cites·23 claims
- 0464US5137088ATravelling disc valve apparatusCOMPLETION SERVICES INC·Filed 1991·Granted Aug 11, 1992·37 cites·15 claims
- 0558US4924941ABi-directional pressure assisted sealing packersCOMPLETION SERVICES INC·Filed 1989·Granted May 15, 1990·27 cites·32 claims
- 0632US5205361AUp and down travelling disc valve assembly apparatusCOMPLETION SERVICES INC·Filed 1991·Granted Apr 27, 1993·9 cites·14 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →