Inventor · disambiguated record
Burchus Q. Barrington
Also filed as: BARRINGTON BURCHUS Q
39 granted patents·1,729 citations·filing 1974–1993
98Inventor score
Top patents by PatentIndex Score
39 records- 0193US5133419AHydraulic shock absorber with nitrogen stabilizerHALLIBURTON CO·Filed 1991·Granted Jul 28, 1992·80 cites·21 claims
- 0293US4064937AAnnulus pressure operated closure valve with reverse circulation valveHALLIBURTON CO·Filed 1977·Granted Dec 27, 1977·103 cites·7 claims
- 0392US4347900AHydraulic connector apparatus and methodHALLIBURTON CO·Filed 1980·Granted Sep 7, 1982·99 cites·30 claims
- 0491US4375239AAcoustic subsea test tree and methodHALLIBURTON CO·Filed 1980·Granted Mar 1, 1983·114 cites·41 claims
- 0591US4374583ASleeve valveHALLIBURTON CO·Filed 1981·Granted Feb 22, 1983·52 cites·13 claims
- 0688US5138313AElectrically insulative gap sub assembly for tubular goodsHALLIBURTON CO·Filed 1990·Granted Aug 11, 1992·115 cites·18 claims
- 0787US4801160AHigh-pressure fluid flow connectorCADDELL MICHAEL J·Filed 1981·Granted Jan 31, 1989·66 cites·6 claims
- 0887US4116272ASubsea test tree for oil wellsHALLIBURTON CO·Filed 1977·Granted Sep 26, 1978·62 cites·39 claims
- 0987US3964544APressure operated isolation valve for use in a well testing and treating apparatus, and its method of operationHALLIBURTON CO·Filed 1975·Granted Jun 22, 1976·61 cites·12 claims
- 1083US4448254ATester valve with silicone liquid springHALLIBURTON CO·Filed 1982·Granted May 15, 1984·61 cites·33 claims
- 1182US4673890AWell bore measurement toolHALLIBURTON CO·Filed 1986·Granted Jun 16, 1987·69 cites·28 claims
- 1280US4378850AHydraulic fluid supply apparatus and method for a downhole toolHALLIBURTON CO·Filed 1980·Granted Apr 5, 1983·51 cites·17 claims
- 1378US4109724AOil well testing valve with liquid springHALLIBURTON CO·Filed 1977·Granted Aug 29, 1978·41 cites·15 claims
- 1478US4047564AWeight and pressure operated well testing apparatus and its method of operationHALLIBURTON CO·Filed 1975·Granted Sep 13, 1977·45 cites·32 claims
- 1578US3969937AMethod and apparatus for testing wellsHALLIBURTON CO·Filed 1975·Granted Jul 20, 1976·44 cites·26 claims
- 1677US4646829AHydraulically set and released bridge plugHALLIBURTON CO·Filed 1985·Granted Mar 3, 1987·62 cites·18 claims
- 1777US4076077AWeight and pressure operated well testing apparatus and its method of operationHALLIBURTON CO·Filed 1976·Granted Feb 28, 1978·42 cites·2 claims
- 1875US4444268ATester valve with silicone liquid springHALLIBURTON CO·Filed 1982·Granted Apr 24, 1984·44 cites·16 claims
- 1975US4270610AAnnulus pressure operated closure valve with improved power mandrelHALLIBURTON CO·Filed 1980·Granted Jun 2, 1981·44 cites·54 claims
- 2075US4083409AFull flow bypass valveHALLIBURTON CO·Filed 1977·Granted Apr 11, 1978·37 cites·17 claims
- 2174US5209303ACompressible liquid mechanism for downhole toolHALLIBURTON CO·Filed 1991·Granted May 11, 1993·59 cites·26 claims
- 2274US4928520APlug release indicatorHALLIBURTON CO·Filed 1989·Granted May 29, 1990·44 cites·19 claims
- 2369US5083623AHydraulic shock absorberHALLIBURTON CO·Filed 1990·Granted Jan 28, 1992·49 cites·12 claims
- 2463US4319634ADrill pipe tester valveHALLIBURTON SERVICES·Filed 1980·Granted Mar 16, 1982·28 cites·26 claims
- 2562US4060140AMethod and apparatus for preventing debris build-up in underwater oil wellsHALLIBURTON CO·Filed 1976·Granted Nov 29, 1977·22 cites·29 claims
- 2658US4113018AOil well testing safety valveHALLIBURTON CO·Filed 1977·Granted Sep 12, 1978·21 cites·9 claims
- 2757US5297629ADrill stem testing with tubing conveyed perforationHALLIBURTON CO·Filed 1992·Granted Mar 29, 1994·31 cites·16 claims
- 2856US4059153AWeight and pressure operated well testing apparatus and its method of operationHALLIBURTON CO·Filed 1976·Granted Nov 22, 1977·20 cites·4 claims
- 2954US4624317AWell tool with improved valve support structureHALLIBURTON CO·Filed 1984·Granted Nov 25, 1986·21 cites·9 claims
- 3054US4372392AFull opening emergency relief and safety valveHALLIBURTON CO·Filed 1980·Granted Feb 8, 1983·23 cites·33 claims
- 3149US4319633ADrill pipe tester and safety valveHALLIBURTON SERVICES·Filed 1980·Granted Mar 16, 1982·18 cites·25 claims
- 3248US4582140AWell tool with selective bypass functionsHALLIBURTON CO·Filed 1984·Granted Apr 15, 1986·15 cites·9 claims
- 3347US4522266ADownhole tester valve with resilient sealsHALLIBURTON CO·Filed 1982·Granted Jun 11, 1985·15 cites·9 claims
- 3445US4669539ALock for downhole apparatusHALLIBURTON CO·Filed 1986·Granted Jun 2, 1987·16 cites·19 claims
- 3545US3981188AMethod and apparatus for testing wellsHALLIBURTON CO·Filed 1974·Granted Sep 21, 1976·12 cites·21 claims
- 3643US4579174AWell tool with hydraulic time delayHALLIBURTON CO·Filed 1984·Granted Apr 1, 1986·12 cites·17 claims
- 3743US4372391AScrew operated emergency relief and safety valveHALLIBURTON CO·Filed 1980·Granted Feb 8, 1983·15 cites·16 claims
- 3838US5337826ATester valveHALLIBURTON CO·Filed 1993·Granted Aug 16, 1994·10 cites·6 claims
- 3933US5228516ATester valveHALLIBURTON CO·Filed 1992·Granted Jul 20, 1993·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →