Inventor · disambiguated record
John T. Brandell
Also filed as: BRANDELL JOHN T
25 granted patents·1,540 citations·filing 1979–2013
98Inventor score
Technology areasE21B
Files withHALLIBURTON CO22HALLIBURTON ENERGY SERV INC1HALLIBURTON ENERGY SERVICES INC1HALLIBURTON SERVICES1
Top patents by PatentIndex Score
25 records- 0198US4949788AWell completions using casing valvesHALLIBURTON CO·Filed 1989·Granted Aug 21, 1990·263 cites·29 claims
- 0295US9359863B2Downhole plug apparatusHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jun 7, 2016·44 cites·12 claims
- 0393US4991654ACasing valveHALLIBURTON CO·Filed 1989·Granted Feb 12, 1991·114 cites·25 claims
- 0491US4880059ASliding sleeve casing toolHALLIBURTON CO·Filed 1988·Granted Nov 14, 1989·102 cites·8 claims
- 0587US6896061B2Multiple zones frac toolHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 24, 2005·84 cites·27 claims
- 0687US5117910APacker for use in, and method of, cementing a tubing string in a well without drilloutHALLIBURTON CO·Filed 1990·Granted Jun 2, 1992·111 cites·21 claims
- 0787US4961465ACasing packer shoeHALLIBURTON CO·Filed 1989·Granted Oct 9, 1990·81 cites·12 claims
- 0886US5178216AWedge lock ringHALLIBURTON CO·Filed 1991·Granted Jan 12, 1993·97 cites·12 claims
- 0983US4246964ADown hole pump and testing apparatusHALLIBURTON CO·Filed 1979·Granted Jan 27, 1981·53 cites·10 claims
- 1082US5400855ACasing inflation packerHALLIBURTON CO·Filed 1993·Granted Mar 28, 1995·77 cites·23 claims
- 1181US5299640AKnife gate valve stage cementerHALLIBURTON CO·Filed 1992·Granted Apr 5, 1994·77 cites·20 claims
- 1280US5279370AMechanical cementing packer collarHALLIBURTON CO·Filed 1992·Granted Jan 18, 1994·74 cites·15 claims
- 1379US5314015AStage cementer and inflation packer apparatusHALLIBURTON CO·Filed 1992·Granted May 24, 1994·72 cites·44 claims
- 1474US5038862AExternal sleeve cementing toolHALLIBURTON CO·Filed 1990·Granted Aug 13, 1991·57 cites·18 claims
- 1569US4313495ADownhole pump with pressure limiterHALLIBURTON SERVICES·Filed 1980·Granted Feb 2, 1982·34 cites·50 claims
- 1667US4458752ADownhole tool inflatable packer assemblyHALLIBURTON CO·Filed 1982·Granted Jul 10, 1984·33 cites·5 claims
- 1762US5348089AMethod and apparatus for the multiple stage cementing of a casing string in a wellHALLIBURTON CO·Filed 1993·Granted Sep 20, 1994·35 cites·9 claims
- 1862US4366862ADownhole pump and testing apparatusHALLIBURTON CO·Filed 1981·Granted Jan 4, 1983·28 cites·20 claims
- 1960US4388968ADownhole tool suction screen assemblyHALLIBURTON CO·Filed 1982·Granted Jun 21, 1983·25 cites·8 claims
- 2050US4484633ASafety jointHALLIBURTON CO·Filed 1983·Granted Nov 27, 1984·16 cites·20 claims
- 2148US4412584ADownhole tool intake port assemblyHALLIBURTON CO·Filed 1982·Granted Nov 1, 1983·15 cites·4 claims
- 2246US4457367ADownhole pump and testing apparatusHALLIBURTON CO·Filed 1982·Granted Jul 3, 1984·14 cites·7 claims
- 2345US5364110ADownhole tool metal-to-metal sealHALLIBURTON CO·Filed 1992·Granted Nov 15, 1994·18 cites·6 claims
- 2439US4386655ADownhole pump with floating seal meansHALLIBURTON CO·Filed 1980·Granted Jun 7, 1983·9 cites·5 claims
- 2536US4372387ADownhole tool with ratchetHALLIBURTON CO·Filed 1980·Granted Feb 8, 1983·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →