Patents by Inventor Stephen William Bell

Stephen William Bell 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).

  • Solid propellant charges
    Patent number: 4004523
    Abstract: A solid propellant charge having combustion inhibited surfaces provided by bonding elastomeric combustion-inhibiting material to the surfaces by a layer of a polyvinyl acetal resin bonded directly to those surfaces, and by a layer of another resin selected from epoxy resins, polyesters and formaldehyde resins.
    Type: Grant
    Filed: October 26, 1966
    Date of Patent: January 25, 1977
    Inventors: David Victor Clifford, Stephen William Bell, Stuart Gordon, Philip Graham Jones
  • Suppression of unstable burning in rocket motors
    Patent number: 3958417
    Abstract: A method of suppressing unstable burning in a solid propellant rocket motor comprising combusting a silicone elastomer with burning of the solid propellant to produce a continuous stream of small silica particles which suppress instability.
    Type: Grant
    Filed: November 14, 1967
    Date of Patent: May 25, 1976
    Assignee: Imperial Metal Industries (Kynoch) Limited
    Inventors: Stuart Gordon, Geoffrey Ian Evans, Philip Graham Jones, Stephen William Bell