Patents by Inventor John D. Glen

John D. Glen 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).

  • Packing element and method using same
    Patent number: 4554114
    Abstract: Improved plastic-loop packing elements of the type comprising an approximation of a filamentous toroidal helical shape. A process and tower using the elements are also claimed.The improved packing comprises spline web means connecting adjacent loop members and a centerpost structure.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: November 19, 1985
    Assignee: Telpac Company Limited
    Inventors: John D. Glen, Rose-Mary M. Glen