Assignee
LONGHORN CASING TOOLS INC
CA·3 granted patents·1 pending application·8 citations·filing 2015–2018
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0177US10221657B2Drillable and resettable wellbore obstruction-clearing toolLONGHORN CASING TOOLS INC·Filed 2016·Granted Mar 5, 2019·4 cites·15 claims
- 0271US9951583B2Reciprocating wellbore obstruction-clearing tool and bailerLONGHORN CASING TOOLS INC·Filed 2016·Granted Apr 24, 2018·4 cites·13 claims
- 0343US10590734B2Casing landing and cementing tool and methods of useLONGHORN CASING TOOLS INC·Filed 2018·Granted Mar 17, 2020·0 cites·7 claims
- 0437US2016090816A1Casing landing and cementing tool and methods of useLONGHORN CASING TOOLS INC·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →