Assignee
CASTROL LTD
GB·104 granted patents·33 pending applications·1,325 citations·filing 1974–2023
Top patents by PatentIndex Score
137 records- 0195US5663126APolar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 1995·Granted Sep 2, 1997·67 cites·39 claims
- 0295US5523008APolar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 1994·Granted Jun 4, 1996·75 cites·13 claims
- 0393US9890901B2Replaceable fluid containerCASTROL LTD·Filed 2013·Granted Feb 13, 2018·12 cites·20 claims
- 0493US9869219B2Apparatus and methodCASTROL LTD·Filed 2013·Granted Jan 16, 2018·13 cites·21 claims
- 0593US6686321B2Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 2001·Granted Feb 3, 2004·32 cites·92 claims
- 0691US5874389APolar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 1997·Granted Feb 23, 1999·41 cites·35 claims
- 0791US5814586APolar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 1996·Granted Sep 29, 1998·42 cites·22 claims
- 0891USD377604SContainerCASTROL LTD·Filed 1995·Granted Jan 28, 1997·49 cites·1 claims
- 0990US10690026B2Fluid systemCASTROL LTD·Filed 2019·Granted Jun 23, 2020·4 cites·24 claims
- 1090US9878822B2Replaceable fluid containerCASTROL LTD·Filed 2013·Granted Jan 30, 2018·15 cites·10 claims
- 1189US10697336B2Fluid systemCASTROL LTD·Filed 2015·Granted Jun 30, 2020·4 cites·37 claims
- 1289US6410652B1Processes for preparing grafted copolymersCASTROL LTD·Filed 2000·Granted Jun 25, 2002·30 cites·60 claims
- 1388US10502104B2Fluid systemCASTROL LTD·Filed 2015·Granted Dec 10, 2019·4 cites·17 claims
- 1488US6187721B1Lubricant for use in diesel enginesCASTROL LTD·Filed 1997·Granted Feb 13, 2001·68 cites·10 claims
- 1587US6300289B1Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing themCASTROL LTD·Filed 1999·Granted Oct 9, 2001·31 cites·17 claims
- 1687US6087310ASkin cleaning compositions and uses comprising a polymer latex emulsionCASTROL LTD·Filed 1998·Granted Jul 11, 2000·76 cites·25 claims
- 1787USD312210SContainerCASTROL LTD·Filed 1988·Granted Nov 20, 1990·41 cites·1 claims
- 1887US4051053AHydraulic fluids comprising orthosilicate estersCASTROL LTD·Filed 1976·Granted Sep 27, 1977·18 cites·13 claims
- 1986US11499118B2Metal working fluid additive compositionCASTROL LTD·Filed 2018·Granted Nov 15, 2022·1 cites·18 claims
- 2086US10982166B2Use of a boron-containing additive as an inhibitor of lead corrosionCASTROL LTD·Filed 2015·Granted Apr 20, 2021·3 cites·18 claims
- 2184US9938867B2Cartridge and system for replenishing fluid in an apparatusCASTROL LTD·Filed 2013·Granted Apr 10, 2018·10 cites·21 claims
- 2284US7981847B2Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing graft copolymerCASTROL LTD·Filed 2008·Granted Jul 19, 2011·7 cites·28 claims
- 2384USD429644SPlastic bottleCASTROL LTD·Filed 1999·Granted Aug 22, 2000·35 cites·1 claims
- 2484US5251725ALubrication of power drive comprising large diameter gearCASTROL LTD·Filed 1992·Granted Oct 12, 1993·49 cites·16 claims
- 2583US10619533B2Fluid system and methodCASTROL LTD·Filed 2014·Granted Apr 14, 2020·6 cites·23 claims
- 2683USD526203SContainer for lubricantsCASTROL LTD·Filed 2004·Granted Aug 8, 2006·29 cites·1 claims
- 2783USD435451SContainerCASTROL LTD·Filed 1998·Granted Dec 26, 2000·25 cites·1 claims
- 2882USD981853SBottleCASTROL LTD·Filed 2021·Granted Mar 28, 2023·12 cites·1 claims
- 2982US10647312B2Apparatus and methodCASTROL LTD·Filed 2016·Granted May 12, 2020·2 cites·24 claims
- 3082US10358259B2Apparatus and methodCASTROL LTD·Filed 2015·Granted Jul 23, 2019·5 cites·30 claims
- 3182US9828564B2Non-aqueous lubricant and fuel compositions comprising fatty acid esters of hydroxy-carboxylic acids, and uses thereofCASTROL LTD·Filed 2015·Granted Nov 28, 2017·2 cites·24 claims
- 3282US7371713B2Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymerCASTROL LTD·Filed 2003·Granted May 13, 2008·23 cites·85 claims
- 3382US4708810AOxidation resistant composition containing a benzothiazoline compoundCASTROL LTD·Filed 1984·Granted Nov 24, 1987·14 cites·12 claims
- 3481USD919436SLubricant bottleCASTROL LTD·Filed 2019·Granted May 18, 2021·25 cites·1 claims
- 3581US10167755B2Apparatus for identifying fluid of a removable fluid container and method of useCASTROL LTD·Filed 2015·Granted Jan 1, 2019·3 cites·25 claims
- 3681US5681506ACorrosion inhibiting lubricant compositionCASTROL LTD·Filed 1993·Granted Oct 28, 1997·39 cites·12 claims
- 3780US11952552B2Metal working fluid additive compositionCASTROL LTD·Filed 2022·Granted Apr 9, 2024·0 cites·16 claims
- 3879US10017709B2Multiple function dispersant viscosity index improverCASTROL LTD·Filed 2017·Granted Jul 10, 2018·1 cites·18 claims
- 3978US10533469B2Fluid containerCASTROL LTD·Filed 2015·Granted Jan 14, 2020·4 cites·28 claims
- 4078US4255586ABoron-silicon compounds suitable for use as hydraulic fluidsCASTROL LTD·Filed 1979·Granted Mar 10, 1981·16 cites·16 claims
- 4177US10704451B2Heat exchanger for an apparatusCASTROL LTD·Filed 2016·Granted Jul 7, 2020·2 cites·20 claims
- 4275US9624451B2Multiple function dispersant viscosity index improverCASTROL LTD·Filed 2014·Granted Apr 18, 2017·2 cites·31 claims
- 4374USD474975SContainerCASTROL LTD·Filed 2001·Granted May 27, 2003·20 cites·1 claims
- 4473US4141851ASilane derivativesCASTROL LTD·Filed 1978·Granted Feb 27, 1979·20 cites·23 claims
- 4572US6723796B2Processes for preparing grafted copolymersCASTROL LTD·Filed 2002·Granted Apr 20, 2004·10 cites·13 claims
- 4671USD324495SContainerCASTROL LTD·Filed 1990·Granted Mar 10, 1992·24 cites·1 claims
- 4771US3994948AHydraulic fluidsCASTROL LTD·Filed 1974·Granted Nov 30, 1976·13 cites·10 claims
- 4870USD314509SBottleCASTROL LTD·Filed 1986·Granted Feb 12, 1991·12 cites·1 claims
- 4969US10473006B2Method and apparatusCASTROL LTD·Filed 2015·Granted Nov 12, 2019·1 cites·47 claims
- 5067US12116912B2Container, method and control systemCASTROL LTD·Filed 2022·Granted Oct 15, 2024·0 cites·23 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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