Patents by Inventor Derek Alan Newton

Derek Alan Newton 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).

  • Energy absorbers
    Patent number: 3979110
    Abstract: An energy absorber which comprises in cross-section at least one limb of rubber-plastic composite material comprising a layer of rubber and a layer of plastics, said layers being united together and each extending substantially in the direction of the length of the limb, and the layer of plastics material being capable of absorbing more energy than the layer of rubber during deformation of the limb by bending or buckling.
    Type: Grant
    Filed: March 26, 1974
    Date of Patent: September 7, 1976
    Assignee: Dunlop Limited
    Inventor: Derek Alan Newton