Patents by Inventor Herbert William Kingsbury

Herbert William Kingsbury 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).

  • Noise control materials
    Patent number: 4048366
    Abstract: A noise reducing material especially suitable for attaching to internal combustion engine casing parts and comprising (a) a layer of a metal such as lead combining a high density with a low shear modulus, bonded to (b) a layer of a pliant thermoplastics matrix reinforced with fibrous material. Layer (b) is preferably asbestos fiber-reinforced bitumen and the laminate preferably comprises a layer of lead between two layers of the reinforced thermoplastics material.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: September 13, 1977
    Assignee: British Uralite Limited
    Inventor: Herbert William Kingsbury