Patents by Inventor Jean H. De Kermadec

Jean H. De Kermadec 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: 4771698
    Abstract: A sensing system for use on a tracked vehicle transporation system forms a sensitive floor beneath the lip of a platform. The floor is made up of a plurality of metal plates mounted on spring supports so that they can be slightly depressed if an abnormal load is applied to them. Such depression changes the state of a switch or like means through the intermediary of a cable and a lever.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: September 20, 1988
    Assignee: Soule
    Inventors: Jean H. De Kermadec, Guy M. C. M. Thomas