Patents by Inventor Richard C. Robert

Richard C. Robert 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: 4383239
    Abstract: A detector for detecting the passage of heavy objects on a roadway, wherein the detector is an elongate strip in the form of nested channel-section members, said members comprising, from the outside towards the insidea first channel section bar (1) made of a strong material;a second channel section bar (2) made of a shock-absorbing material embedded in the channel of said first bar;a third channel section bar (3) made of a strong material embedded in the channel of said second bar; anda sensor (4) embedded in the channel of said third bar.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: May 10, 1983
    Assignee: Compagnie Generale d'Automatisme
    Inventor: Richard C. Robert