Patents by Inventor Ian Geoffrey Virrels

Ian Geoffrey Virrels 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).

  • DIESEL FUEL AND A METHOD OF OPERATING A DIESEL ENGINE
    Publication number: 20130240404
    Abstract: A diesel fuel based on a blend of a diesel fuel derived from a Fischer-Tropsch process, and a mineral oil based diesel fuel having a sulfur content of less than 100 ppmw; and a method of operating a diesel engine, which method involves combusting such diesel fuel in the diesel engine.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: SHELL OIL COMPANY
    Inventors: Ralph Anthony CHERRILLO, Richard Hugh CLARK, Mary Ann DAHLSTROM, Ian Geoffrey VIRRELS
  • Diesel fuel and a method of operating a diesel engine
    Patent number: 8475647
    Abstract: A diesel fuel based on a blend of a diesel fuel derived from a Fischer-Tropsch process, and a mineral oil based diesel fuel having a sulfur content of less than 100 ppmw; and a method of operating a diesel engine, which method involves combusting such diesel fuel in the diesel engine.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: July 2, 2013
    Assignee: Shell Oil Company
    Inventors: Ralph Anthony Cherrillo, Richard Hugh Clark, Mary Ann Dahlstrom, Ian Geoffrey Virrels