Patents by Inventor Robert T. Holmes

Robert T. Holmes 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).

  • Patent number: 4687034
    Abstract: A sleeve is provided to be retrofitted to a diesel fuel tank filling nozzle that has selective leaching properties such that an antifoamant agent, such as a silicon compound, migrates in a selective manner to the surface of the sleeve intermittent to passage of the diesel fuel over the sleeve. An initial gust of the diesel fuel will carry the antifoamant material from the nozzle sleeve into the consumer's fuel tank where it exhibits antifoaming activities and thereby permits a top-up of the diesel fuel tank of the vehicle.
    Type: Grant
    Filed: May 28, 1986
    Date of Patent: August 18, 1987
    Assignee: Shell Oil Company
    Inventors: Leonard B. Graiff, Robert T. Holmes
  • Patent number: 4678479
    Abstract: Diesel fuel composition comprising a hydrocarbonaceous diesel fuel having a cetane number in the range from 25 to 60, a polyolefin and a polyamine wherein at least one hydrocarbon chain has at least 25 carbon atoms and is bound directly to a nitrogen atom.
    Type: Grant
    Filed: April 11, 1986
    Date of Patent: July 7, 1987
    Inventors: Robert T. Holmes, Terence M. Evans, Keith King, Leonard B. Graiff