Patents by Inventor Robert Overton
Robert Overton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11276994Abstract: Described is a cable rejuvenation apparatus for a cable used in a subsea environment. The apparatus applies a bias signal to a conducting element of the cable, the bias signal being selected to improve the insulation properties of the cable. The bias signal is generated by a bias signal generator that includes a voltage source that generates a bias voltage having a time varying component. The bias voltage promotes an electrochemical reaction between the conducting element and the salt containing liquid of the subsea environment resulting in the formation of a barrier material at the fault location restricting further leakage current flow and enhancing the insulation resistance of the cable. The bias signal is a voltage selected such that the electrochemical reaction promoted by the bias voltage maintains the presence of the barrier material at the fault location.Type: GrantFiled: January 3, 2019Date of Patent: March 15, 2022Assignee: Viper Innovations LtdInventors: Neil Irwin Douglas, Paul Robert Overton, Alistair John Wright
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Patent number: 10436854Abstract: A power supply arrangement is described that comprises a power supply module 10 including a supply connector 14 and an output connector 16, and an electrical circuit 18 interconnecting the supply connector 14 and the output connector 16, the electrical circuit 18 including a test point 30 to which a test module 36 may be connected, the test point 30 being electrically connected to the output connector 16.Type: GrantFiled: January 26, 2017Date of Patent: October 8, 2019Assignee: Viper Innovations LimitedInventors: Dan Denning, Steve Simpson, Paul Robert Overton
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Publication number: 20190190242Abstract: Described is a cable rejuvenation apparatus for a cable used in a subsea environment. The apparatus applies a bias signal to a conducting element of the cable, the bias signal being selected to improve the insulation properties of the cable. The bias signal is generated by a bias signal generator. The bias signal can be a voltage which promotes an electrochemical reaction between the conducting element and the salt containing liquid of the subsea environment resulting in the formation of a barrier material at the fault location restricting further leakage current flow and enhancing the insulation resistance of the cable. The bias signal is selected such that the electrochemical reaction promoted by the bias signal maintains the presence of the barrier material at the fault location.Type: ApplicationFiled: January 3, 2019Publication date: June 20, 2019Applicant: Viper Innovations LtdInventors: Neil Irwin Douglas, Paul Robert Overton, Alistair John Wright
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Patent number: 10199810Abstract: Described is a rejuvenation method for a cable used in a subsea environment. The method includes applying a bias signal to a conducting element of the cable, the bias signal being selected to improve the insulation properties of the cable. The bias signal is selected such that, in the event of an electrical leakage current of predetermined magnitude flowing between the conducting element and a salt containing liquid of the subsea environment at a fault location. The bias signal can be a voltage which promotes an electrochemical reaction between the conducting element and the liquid resulting in the formation of a barrier material at the fault location restricting further leakage current flow and enhancing the insulation resistance of the cable. The bias signal is selected such that the electrochemical reaction promoted by the bias signal maintains the presence of the barrier material at the fault location.Type: GrantFiled: August 20, 2015Date of Patent: February 5, 2019Assignee: Viper Innovations LtdInventors: Neil Irwin Douglas, Paul Robert Overton, Alistair John Wright
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Publication number: 20170227612Abstract: A power supply arrangement is described that comprises a power supply module 10 including a supply connector 14 and an output connector 16, and an electrical circuit 18 interconnecting the supply connector 14 and the output connector 16, the electrical circuit 18 including a test point 30 to which a test module 36 may be connected, the test point 30 being electrically connected to the output connector 16.Type: ApplicationFiled: January 26, 2017Publication date: August 10, 2017Applicant: Viper Innovations LimitedInventors: Dan Denning, Steve Simpson, Paul Robert Overton
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Patent number: 9594106Abstract: A test arrangement for use in determining the location of a fault in an installation 10 comprising at least first and second conductors 22, 24 providing electrical connections between a surface located device 12 and a subsea located device 20, the test arrangement comprising a first module 26 operable to apply a common test signal between ground and the first and second conductors 22, 24, and a second module 28 operable to monitor the total current flowing through the first and second conductors 22, 24 at a subsea location.Type: GrantFiled: December 30, 2014Date of Patent: March 14, 2017Assignee: Viper Subsea Technology LimitedInventor: Paul Robert Overton
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Publication number: 20150357803Abstract: A rejuvenation method for a cable used in a subsea environment, the method comprising applying a bias signal to a conducting element 2a, 2b of the cable 2, the bias signal being selected to improve the insulation properties of the cable 2.Type: ApplicationFiled: August 20, 2015Publication date: December 10, 2015Applicant: Viper Subsea Technology LimitedInventors: Neil Irwin Douglas, Paul Robert Overton, Alistair John Wright
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Publication number: 20150198651Abstract: A test arrangement for use in determining the location of a fault in an installation 10 comprising at least first and second conductors 22, 24 providing electrical connections between a surface located device 12 and a subsea located device 20, the test arrangement comprising a first module 26 operable to apply a common test signal between ground and the first and second conductors 22, 24, and a second module 28 operable to monitor the total current flowing through the first and second conductors 22, 24 at a subsea location.Type: ApplicationFiled: December 30, 2014Publication date: July 16, 2015Applicant: Viper Subsea Technology LimitedInventor: Paul Robert Overton
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Patent number: 6506947Abstract: The subject-matter of the invention is a fluorinated diol and its process of preparation. The fluorinated diol corresponds to the formula (I): CnF2n+1—A—CH2OCH2—C(CH2OH)2—R in which n has a value from 2 to 20 and A means —CH═CH— or —CH2CH2— and R is an alkyl group comprising 1 to 4 carbon atoms.Type: GrantFiled: December 20, 2001Date of Patent: January 14, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Marie-Jose Lina, Eric Lacroix, Sophie Vanpoulle, Gerard Orcel, Robert Overton