Patents by Inventor George Bruce Klingensmith

George Bruce Klingensmith 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).

  • Expandable thermoplastic polymer particles and method for making same
    Patent number: 6093750
    Abstract: An improved process for manufacture of expandable polymer particles is provided. The continuous process disclosed produces expandable polymer pellets in a single step while eliminating many of the dangers inherent in processes of prior art employed for the same. The polymers produced herein are of uniform size, and may be molded into various articles of manufacture using existing equipment and techniques known to those skilled in the art.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: July 25, 2000
    Assignee: Huntsman Corporation
    Inventors: Thomas Orr Craig, George Bruce Klingensmith
  • Expandable thermoplastic polymer particles and method for making same
    Patent number: 5977195
    Abstract: An improved process for manufacture of expandable polymer particles is provided. The continuous process disclosed produces expandable polymer pellets in a single step while eliminating many of the dangers inherent in processes of prior art employed for the same. The polymers produced herein are of uniform size, and may be molded into various articles of manufacture using existing equipment and techniques known to those skilled in the art.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: November 2, 1999
    Assignee: Huntsman Corporation
    Inventors: Thomas Orr Craig, George Bruce Klingensmith