Patents by Inventor Derek Anthony Smith

Derek Anthony Smith 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).

  • Rocket motor with ablative insulating casing liner
    Patent number: 3973397
    Abstract: A solid propellant rocket motor is provided with a liner between the motor case and the propellant, the liner comprising a terpolymer of ethylene, propylene and a nonconjugated diene and inert fillers. Ablative fillers such as heavy metal halides, calcium hydroxide and magnesium hydroxide may be included.
    Type: Grant
    Filed: January 17, 1974
    Date of Patent: August 10, 1976
    Assignee: Imperial Metal Industries (Kynoch) Limited
    Inventors: Michael John Chase, Derek Anthony Smith, Michael Alan Dudley