Patents by Inventor Leonard Warren

Leonard Warren 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).

  • Publication number: 20230193049
    Abstract: A coating composition for providing anti-corrosive, wear-resistance, and sound dampening properties to plastic and metallic substrates. The composition comprises at least one functionalized resin and at least one dry lubricant in a solvent comprising a ketone, and can further comprise at least one of a cross-linking agent, a cross-linking catalyst, a co-solvent, and a colorant. Some compositions comprise multiple ketones and/or multiple dry lubricants, and can be formulated and applied to a substrate without producing hydrogen gas. Substrates coated with the coating composition can include metal components, particularly springs, washers, and other elements, within the liftgate support struts in a van, SUV, or other hatchback vehicle.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 22, 2023
    Inventors: Leonard WARREN, Mark WHEATLEY
  • Patent number: 5106901
    Abstract: Thermally resistant materials comprise an elastomer, particulate iron oxide, and at least one other particulate additive selected from the group consisting of aluminum silicate and silicon carbide. The material may be in the form of a self-supporting element or in the form of a coating.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: April 21, 1992
    Assignee: Vickers Shipbuilding & Engineering Limited
    Inventors: John R. Paterson, Leonard Warren
  • Patent number: 5082995
    Abstract: An electrical cable has one or more electrical conductors (1A, 1B, 1C) enveloped in electrically insulating material (2A, 2B, 2C, 3, 5, 13). At least some of the electrically insulating material is formed of a composition having an elastomer, an oxide of iron and silicon carbide.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: January 21, 1992
    Assignee: Vickers Shipbuilding & Engineering Limited
    Inventors: John R. Paterson, Leonard Warren