Patents Assigned to Castrol Limited
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Patent number: 11952552Abstract: An industrial fluid additive composition comprises one or more sequestering agents one or more compounds of formula (A): (A) wherein R1 and R2 are independently selected from substituted hydrocarbyl moieties containing from 1 to 10 carbon atoms or unsubstituted hydrocarbyl moieties containing from 1 to 10 carbon atoms.Type: GrantFiled: October 25, 2022Date of Patent: April 9, 2024Assignee: Castrol LimitedInventor: Thomas Peter Hardt
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Patent number: 11732212Abstract: This disclosure relates generally to metalworking fluids. This disclosure relates more particularly to water-soluble metalworking fluids that include high viscosity polymers, and that can be used in metal cold rolling operations.Type: GrantFiled: December 4, 2019Date of Patent: August 22, 2023Assignee: Castrol LimitedInventor: Robert Paul Hudson
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Patent number: 11535810Abstract: A method for removing aromatic compounds from a hydrocarbon fluid comprises contacting the hydrocarbon fluid with a solid-phase polymeric material. The solid-phase polymeric material comprises a cross-linked polymer which contains aromatic groups. The method may be used to prevent the build-up of sludge and soot in a lubricant system in an internal combustion engine. A polymer bead comprising a solid-phase polymeric material is also provided.Type: GrantFiled: April 13, 2017Date of Patent: December 27, 2022Assignee: Castrol LimitedInventors: Peter Cormack, Timothy McCabe, James Edward Moss, Richard Pearson, John Michael Redshaw, Kevin Richard West
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Patent number: 11499118Abstract: An industrial fluid additive composition comprises one or more sequestering agents one or more compounds of formula (A): (A) wherein R1 and R2 are independently selected from substituted hydrocarbyl moieties containing from 1 to 10 carbon atoms or unsubstituted hydrocarbyl moieties containing from 1 to 10 carbon atoms.Type: GrantFiled: October 4, 2018Date of Patent: November 15, 2022Assignee: CASTROL LIMITEDInventor: Thomas Peter Hardt
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Patent number: 11492566Abstract: The present invention provides a lubricant composition comprising a base oil of lubricating viscosity, wherein the base oil comprises an ether base stock of formula (A), where: Ra and Rb are aliphatic hydrocarbyl groups and may be the same or different; the lubricant composition further comprising at least one aminic anti-oxidant and at least one phenolic anti-oxidant. In some embodiments, the ether base stock has the formula (1), where: R1 R2, R3, R4, R5 and R6 are as defined herein. The lubricant composition may be used for lubricating a surface in an internal combustion engine as well as for improving the fuel economy performance and/or piston cleanliness performance of an engine and/or a vehicle, such as an automotive vehicle associated with an internal combustion engine.Type: GrantFiled: December 14, 2017Date of Patent: November 8, 2022Assignee: Castrol LimitedInventors: Angela Breakspear, Gordon David Lamb, John Michael Redshaw, Kevin Richard West, Rebecca Frances Jennings
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Patent number: 11407958Abstract: A lubricant composition comprises an anti-wear and or/friction modifying additive which is an ester of a fatty acid and a polyol. At least 50% by weight of the additive is in the form of a mono-ester, and is preferably a mono-glyceride. The lubricant composition may be used in an internal combustion engine.Type: GrantFiled: October 29, 2019Date of Patent: August 9, 2022Assignee: Castrol LimitedInventors: Thakor Kikabhai, Laura De Laguno Gorria, Bernadeta Anna Pochopien, Peter Timothy Seden
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Patent number: 11022012Abstract: A method of filling and/or draining a replaceable fluid container for an engine or vehicle, wherein the replaceable fluid container comprises a fluid reservoir and a plurality of container ports, wherein replaceable fluid container is configured to be docked with a dock associated with the vehicle or engine with the plurality of container ports positioned on and coupled to at least one port of the dock to place the fluid reservoir in fluidic communication with a fluid circulation system associated with the vehicle or engine, wherein each of the plurality of container ports has an operational function, wherein the operational function of at least one of the plurality container ports is that of being a fluid outlet port to allow the supply of fluid from the fluid reservoir, the method comprising modifying the operational function of at least one of the plurality of container ports to assist filling and/or draining of the reservoir, a related filling and/or draining interface plate configured to interface betweeType: GrantFiled: September 23, 2016Date of Patent: June 1, 2021Assignee: Castrol LimitedInventors: Donald Butterworth, Daniel Cadigan, William Rosanio
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Patent number: 11014761Abstract: A conveyor condition monitor, for use with a conveyor comprising a plurality of trollies (12) running along a conveyor rail (14) and linked to one another by a chain link system, is disclosed. The monitor comprises a conveyor monitoring station (3) and a first deformation sensor (5a, 5b). The deformation sensor (5b) is in communication with the conveyor monitor, and is adapted to notify the conveyor monitor of the presence of a deformed (13b) trolley (12) in the conveyor.Type: GrantFiled: June 26, 2017Date of Patent: May 25, 2021Assignee: Castrol LimitedInventors: Scott Alan Johnson, Richard Allen Moen, William Thomas Preble
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Patent number: 10982166Abstract: This invention relates to the use of a boron-containing additive in a non-aqueous lubricant composition as an inhibit or of lead corrosion associated with ashless, organic ester, anti-wear additives and/or friction modifiers.Type: GrantFiled: December 17, 2015Date of Patent: April 20, 2021Assignee: Castrol LimitedInventors: Aldo Guiducci, Gordon Lamb, Kevin West
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Patent number: 10935538Abstract: A method for assessing the condition of an oil using a portable computer coupled to a camera comprises: separating wear particles from a sample of the oil; capturing an image of the separated wear particles using the camera; and analysing the image and generating information about the condition of the oil using the portable computer. The method may be used for tracking the condition of an oil in a machine over a period of time. The methods are particularly useful for assessing the condition of an industrial oil e.g. a lubricating oil that has been used to lubricate moving parts in a machine.Type: GrantFiled: May 16, 2017Date of Patent: March 2, 2021Assignee: Castrol LimitedInventors: Sander Gaemers, Bryan Rabenau, Marcel Jerusalem
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Patent number: 10907111Abstract: This invention relates to the use of a metallic or non-metallic detergent which is a hydrocarbyl-substituted salicylic acid or a derivative thereof in a non-aqueous lubricant composition as an inhibitor of lead corrosion associated with ashless, organic ester, anti-wear additives and/or friction modifiers.Type: GrantFiled: December 17, 2015Date of Patent: February 2, 2021Assignee: Castrol LimitedInventors: Aldo Guiducci, Gordon Lamb, Kevin West
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Patent number: 10752418Abstract: A fluid storage and dispensing system that safely and efficiently stores all grades of motor oil is provided. The system is configured to accurately dispense motor oil into vehicles. The system may also be used for the storage of and dispensing of other fluids.Type: GrantFiled: June 23, 2017Date of Patent: August 25, 2020Assignee: Castrol LimitedInventors: Ame Cameron, Greg Saxon
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Patent number: 10704451Abstract: In one embodiment, there is provided a heat exchanger for equipment, having: at least one phase change material; and at least one heat exchange interface for heat exchange between the phase change material and a fluid flowing within, into and/or from a replaceable fluid container for the equipment, the replaceable fluid container having at least one fluid port adapted to couple to a fluid circulation system of the equipment when the replaceable container is coupled to a dock.Type: GrantFiled: December 16, 2016Date of Patent: July 7, 2020Assignee: Castrol LimitedInventor: Timothy Hugh Lake
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Patent number: 10697336Abstract: In one embodiment, there is provided a dock for a replaceable fluid container for an engine, the fluid container having: a fluid reservoir; and at least one fluid port having a coupling adapted to couple with a fluid circulation system associated with the engine; the dock having: a fastening mechanism configured to cooperate with the container such that, as the container is inserted into the dock, the fastening mechanism acts first to seat the fluid container in the dock but in an undocked condition and then, as the container is inserted further into the dock, acts to bring the fluid container into an engaged condition in which the fluid container is docked with a docking interface of the dock.Type: GrantFiled: May 21, 2015Date of Patent: June 30, 2020Assignee: Castrol LimitedInventors: Christopher Dawson, Steven Paul Goodier, Gary Howard, Adrian Michael Woodward
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Patent number: 10690025Abstract: A replaceable fluid container for an engine or a vehicle, comprising: a fluid reservoir, at least one fluid port adapted to couple with a fluid circulation system; and an actuator, configured to be operated between a first condition and a second condition, wherein the actuator is configured, in the first condition, to enable the fluid container to be inserted into and/or held in a dock, in a seated but undocked condition, and inhibit docking of the fluid container to the dock; and wherein the actuator is further configured, when operated from the first condition to the second condition with the fluid container being in the seated but undocked condition, to enable the fluid container to dock in an engaged condition with the dock, associated docks and associated methods of supplying a fluid to a vehicle or an engine and of decoupling a fluid container from a fluid circulation system of a vehicle or an engine.Type: GrantFiled: September 23, 2016Date of Patent: June 23, 2020Assignee: Castrol LimitedInventors: Steven Paul Goodier, Oliver Paul Taylor, Peter Stuart Brett, Mike Fairs, Piers Sebastian Harding, Christopher Dawson
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Patent number: 10690026Abstract: A replaceable fluid container for an engine or a vehicle, comprising: a fluid reservoir, at least one fluid port adapted to couple with a fluid circulation system; and an actuator, configured to be operated between a first condition and a second condition, wherein the actuator is configured, in the first condition, to enable the fluid container to be inserted into and/or held in a dock, in a seated but undocked condition, and inhibit docking of the fluid container to the dock; and wherein the actuator is further configured, when operated from the first condition to the second condition with the fluid container being in the seated but undocked condition, to enable the fluid container to dock in an engaged condition with the dock, associated docks and associated methods of supplying a fluid to a vehicle or an engine and of decoupling a fluid container from a fluid circulation system of a vehicle or an engine.Type: GrantFiled: May 4, 2019Date of Patent: June 23, 2020Assignee: Castrol LimitedInventors: Steven Paul Goodier, Oliver Paul Taylor, Peter Stuart Brett, Mike Fairs, Piers Sebastian Harding, Christopher Dawson
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Patent number: D919435Type: GrantFiled: July 17, 2019Date of Patent: May 18, 2021Assignee: CASTROL LIMITEDInventors: Richard Currie, Brian Lodge, Roger Morris, Simon Clegg, Amzar Yee Chee Seng, Roger Chua Peng Tian
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Patent number: D919436Type: GrantFiled: May 1, 2019Date of Patent: May 18, 2021Assignee: CASTROL LIMITEDInventors: Richard Currie, Brian Lodge, Roger Morris, Simon Clegg, Amzar Yee Chee Seng, Roger Chua Peng Tian
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Patent number: D981853Type: GrantFiled: March 17, 2021Date of Patent: March 28, 2023Assignee: CASTROL LIMITEDInventors: Richard Currie, Sener Karagulle
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Patent number: D982447Type: GrantFiled: March 17, 2021Date of Patent: April 4, 2023Assignee: CASTROL LIMITEDInventors: Richard Currie, Sener Karagulle