Patents by Inventor Keith Woodall

Keith Woodall 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).

  • COMPOSITION, METHOD AND USE
    Publication number: 20240150665
    Abstract: A method of reducing particulate emissions from a direct injection spark ignition engine, the method comprising combusting in the engine a gasoline composition comprising as an additive a quaternary ammonium compound.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 9, 2024
    Applicant: Innospec Limited
    Inventors: Simon Christopher Mulqueen, Keith Woodall
  • COMPOSITION, METHOD AND USE
    Publication number: 20240124794
    Abstract: A method of reducing particulate emissions from a direct injection spark ignition engine, the method comprising combusting in the engine a gasoline composition comprising as an additive a quaternary ammonium compound.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Applicant: Innospec Limited
    Inventors: Simon Christopher Mulqueen, Keith Woodall
  • Use and method to reduce deposits in compression ignition internal combustion engines
    Patent number: 11867117
    Abstract: Use of an additive selected from nitrate compounds, peroxide compounds, nitrite compounds and polyether compounds, and mixtures thereof in a diesel fuel composition for reducing the build-up of deposits in an Exhaust Gas Recirculation (EGR) system of a compression ignition internal combustion engine.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 9, 2024
    Assignee: SHELL USA, INC.
    Inventors: Christopher William Clayton, Michael Gee, Rodney Glyn Williams, Emma Wyatt, Alan Norman Ross, Keith Woodall, Jacqueline Glen Reid, Simon Christopher Mulqueen, Stephen Leonard Cook
  • USE AND METHOD TO REDUCE DEPOSITS IN COMPRESSION IGNITION INTERNAL COMBUSTION ENGINES
    Publication number: 20220025286
    Abstract: Use of an additive selected from nitrate compounds, peroxide compounds, nitrite compounds and polyether compounds, and mixtures thereof in a diesel fuel composition for reducing the build-up of deposits in an Exhaust Gas Recirculation (EGR) system of a compression ignition internal combustion engine.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 27, 2022
    Inventors: Christopher William CLAYTON, Michael GEE, Rodney Glyn WILLIAMS, Emma WYATT, Alan Norman ROSS, Keith WOODALL, Jacqueline Glen REID, Simon Christopher MULQUEEN, Stephen Leonard COOK
  • COMPOSITION, METHOD AND USE
    Publication number: 20210115347
    Abstract: A method of reducing particulate emissions from a direct injection spark ignition engine, the method comprising combusting in the engine a gasoline composition comprising as an additive a quaternary ammonium compound.
    Type: Application
    Filed: March 25, 2019
    Publication date: April 22, 2021
    Applicant: Innospec Limited
    Inventors: Simon Christopher Mulqueen, Keith Woodall
  • Fuel composition
    Publication number: 20060101711
    Abstract: The present invention provides a fuel composition comprising a fuel and a film-forming additive wherein the fuel comprises diesel and a fuel alcohol and wherein the film-forming additive is present in the fuel composition in an amount of less than 0.1 wt %.
    Type: Application
    Filed: July 23, 2003
    Publication date: May 18, 2006
    Applicant: The Associated Octel Company Limited
    Inventors: Matthew Vincent, Stephen Cook, Keith Woodall