Patents by Inventor Kornelis Van Timmeren

Kornelis Van Timmeren 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).

  • Patent number: 4315428
    Abstract: A sensor for detecting sand grains in a fluid flow comprises a ring-shaped member carrying an acoustic transducer. The ring-shaped member is supported on a rod by clamping means, and material having elastic properties is arranged on the surfaces of the ring-shaped member that contact the rod or the clamping means.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: February 16, 1982
    Assignee: Shell Oil Company
    Inventors: Paulus A. Stuivenwold, Kornelis Van Timmeren