Patents by Inventor Jean Pierre D'Haenens

Jean Pierre D'Haenens 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).

  • Three conductivity state circuit element
    Patent number: 4054940
    Abstract: A device possessing three conduction states comprises two electrodes connected with one another through the agency of a compound in the form C.sub.x H.sub.y in which there are held in suspension particles of vanadium oxide, VO.sub.2, the proportion by volume being of the order of 7%.
    Type: Grant
    Filed: January 7, 1975
    Date of Patent: October 18, 1977
    Assignee: Thomson-CSF
    Inventors: Francois Buchy, Pierre Merenda, Jean Pierre D'Haenens