Assignee
TEXAS IRON WORKS
US·24 granted patents·1,159 citations·filing 1975–1990
Top patents by PatentIndex Score
24 records- 0193US4391325ALiner and hydraulic liner hanger setting arrangementTEXAS IRON WORKS·Filed 1980·Granted Jul 5, 1983·132 cites·10 claims
- 0292US3999605AWell tool for setting and supporting linersTEXAS IRON WORKS·Filed 1976·Granted Dec 28, 1976·83 cites·5 claims
- 0389US4854383AManifold arrangement for use with a top drive power unitTEXAS IRON WORKS·Filed 1988·Granted Aug 8, 1989·134 cites·2 claims
- 0488US4722389AWell bore servicing arrangementTEXAS IRON WORKS·Filed 1986·Granted Feb 2, 1988·104 cites·2 claims
- 0587US4854386AMethod and apparatus for stage cementing a liner in a well bore having a casingTEXAS IRON WORKS·Filed 1988·Granted Aug 8, 1989·83 cites·47 claims
- 0685US4898245ARetrievable well bore tubular member packer arrangement and methodTEXAS IRON WORKS·Filed 1989·Granted Feb 6, 1990·74 cites·36 claims
- 0782US4281711AApparatus for positioning a liner on a tubular member in a well bore with a retrievable pack off bushing therebetweenTEXAS IRON WORKS·Filed 1975·Granted Aug 4, 1981·49 cites·25 claims
- 0879US4690220ATubular member anchoring arrangement and methodTEXAS IRON WORKS·Filed 1985·Granted Sep 1, 1987·58 cites·18 claims
- 0972US4688642ARotatable liner with multiple simultaneously set liner hanger arrangement and methodTEXAS IRON WORKS·Filed 1986·Granted Aug 25, 1987·47 cites·36 claims
- 1070US4926936AMultiple purpose liner hanger constructionTEXAS IRON WORKS·Filed 1989·Granted May 22, 1990·39 cites·29 claims
- 1167US5020597AArrangement and method for conducting substance and lock thereforTEXAS IRON WORKS·Filed 1990·Granted Jun 4, 1991·45 cites·93 claims
- 1262US4993493ARetrievable landing method and assembly for a well boreTEXAS IRON WORKS·Filed 1987·Granted Feb 19, 1991·34 cites·45 claims
- 1361US4966236ACementing method and arrangementTEXAS IRON WORKS·Filed 1989·Granted Oct 30, 1990·29 cites·91 claims
- 1460US4834185AMethod and apparatus for manipulating a well bore linerTEXAS IRON WORKS·Filed 1988·Granted May 30, 1989·30 cites·13 claims
- 1560US4646842ARetrievable well bore assemblyTEXAS IRON WORKS·Filed 1984·Granted Mar 3, 1987·29 cites·22 claims
- 1659US5018579AArrangement and method for conducting substance and seal thereforTEXAS IRON WORKS·Filed 1990·Granted May 28, 1991·35 cites·91 claims
- 1759US4293163AValve for closing the fluid passage of a well bore tubular member with balanced operating arrangementTEXAS IRON WORKS·Filed 1977·Granted Oct 6, 1981·21 cites·3 claims
- 1857US3993128AWell tool for setting and supporting linersTEXAS IRON WORKS·Filed 1976·Granted Nov 23, 1976·19 cites·6 claims
- 1955US4248300AMethod of and apparatus for positioning retrievable landing nipple in a well bore stringTEXAS IRON WORKS·Filed 1978·Granted Feb 3, 1981·17 cites·20 claims
- 2054US5036922ASingle plug arrangement, lock therefor and method of useTEXAS IRON WORKS·Filed 1990·Granted Aug 6, 1991·26 cites·38 claims
- 2150US4776395AWell bore treating fluid toolTEXAS IRON WORKS·Filed 1987·Granted Oct 11, 1988·21 cites·7 claims
- 2249US4972908APacker arrangementTEXAS IRON WORKS·Filed 1989·Granted Nov 27, 1990·18 cites·23 claims
- 2347US4106565ASeal nipple packerTEXAS IRON WORKS·Filed 1977·Granted Aug 15, 1978·13 cites·4 claims
- 2444US5018582AHydraulic running and release tool with mechanical emergency releaseTEXAS IRON WORKS·Filed 1990·Granted May 28, 1991·19 cites·12 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →