Assignee
CASTROL LTD
US104 patents
Top patents by PatentIndex Score
US6686321B2Feb 3, 2004
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD32 citations95
US6300289B1Oct 9, 2001
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD31 citations95
US5874389AFeb 23, 1999
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD41 citations95
US5814586ASep 29, 1998
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD42 citations95
US5663126ASep 2, 1997
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD67 citations95
US5523008AJun 4, 1996
Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
CASTROL LTD75 citations95
US6257452B1Jul 10, 2001
Pouring device
CASTROL LTD31 citations93
USD435451SDec 26, 2000
Container
CASTROL LTD25 citations93
US6410652B1Jun 25, 2002
Processes for preparing grafted copolymers
CASTROL LTD30 citations92
USD474975SMay 27, 2003
Container
CASTROL LTD20 citations91
US6087310AJul 11, 2000
Skin cleaning compositions and uses comprising a polymer latex emulsion
CASTROL LTD76 citations91
USD377604SJan 28, 1997
Container
CASTROL LTD49 citations91
USD526203SAug 8, 2006
Container for lubricants
CASTROL LTD29 citations90
USD919436SMay 18, 2021
Lubricant bottle
CASTROL LTD25 citations89
US7371713B2May 13, 2008
Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer
CASTROL LTD23 citations88
US6187721B1Feb 13, 2001
Lubricant for use in diesel engines
CASTROL LTD68 citations88
USD429644SAug 22, 2000
Plastic bottle
CASTROL LTD35 citations88
US9890901B2Feb 13, 2018
Replaceable fluid container
CASTROL LTD12 citations82
US5251725AOct 12, 1993
Lubrication of power drive comprising large diameter gear
CASTROL LTD49 citations82
USD312210SNov 20, 1990
Container
CASTROL LTD41 citations82
US9878822B2Jan 30, 2018
Replaceable fluid container
CASTROL LTD15 citations81
US9869219B2Jan 16, 2018
Apparatus and method
CASTROL LTD13 citations81
US5681506AOct 28, 1997
Corrosion inhibiting lubricant composition
CASTROL LTD39 citations81
USD981853SMar 28, 2023
Bottle
CASTROL LTD12 citations80
US9938867B2Apr 10, 2018
Cartridge and system for replenishing fluid in an apparatus
CASTROL LTD10 citations80
US7981847B2Jul 19, 2011
Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing graft copolymer
CASTROL LTD7 citations80
USD324495SMar 10, 1992
Container
CASTROL LTD24 citations80
US4754848AJul 5, 1988
Lubrication devices
CASTROL LTD30 citations80
USD919435SMay 18, 2021
Lubricant bottle
CASTROL LTD8 citations79
US6585015B2Jul 1, 2003
Container
CASTROL LTD14 citations79
US4255586AMar 10, 1981
Boron-silicon compounds suitable for use as hydraulic fluids
CASTROL LTD16 citations79
US4141851AFeb 27, 1979
Silane derivatives
CASTROL LTD20 citations79
US6648177B2Nov 18, 2003
Mobile oil dispenser
CASTROL LTD18 citations76
US6723796B2Apr 20, 2004
Processes for preparing grafted copolymers
CASTROL LTD10 citations73
USD314509SFeb 12, 1991
Bottle
CASTROL LTD12 citations73
US4708810ANov 24, 1987
Oxidation resistant composition containing a benzothiazoline compound
CASTROL LTD14 citations73
US10697336B2Jun 30, 2020
Fluid system
CASTROL LTD4 citations72
US10502104B2Dec 10, 2019
Fluid system
CASTROL LTD4 citations72
USD474976SMay 27, 2003
Container
CASTROL LTD9 citations72
US10533469B2Jan 14, 2020
Fluid container
CASTROL LTD4 citations71
US4093554AJun 6, 1978
Hydraulic fluid compositions
CASTROL LTD15 citations71
US4051053ASep 27, 1977
Hydraulic fluids comprising orthosilicate esters
CASTROL LTD18 citations71
US3994948ANov 30, 1976
Hydraulic fluids
CASTROL LTD13 citations71
USD470871SFeb 25, 2003
Mobile oil dispenser
CASTROL LTD12 citations70
US10690026B2Jun 23, 2020
Fluid system
CASTROL LTD4 citations69
US9828564B2Nov 28, 2017
Non-aqueous lubricant and fuel compositions comprising fatty acid esters of hydroxy-carboxylic acids, and uses thereof
CASTROL LTD2 citations69
US10619533B2Apr 14, 2020
Fluid system and method
CASTROL LTD6 citations68
US10358259B2Jul 23, 2019
Apparatus and method
CASTROL LTD5 citations68
US10167755B2Jan 1, 2019
Apparatus for identifying fluid of a removable fluid container and method of use
CASTROL LTD3 citations68
US10647312B2May 12, 2020
Apparatus and method
CASTROL LTD2 citations67
Showing the top 50 of 104 patents by PatentIndex Score.