Patents by Inventor Jacques Ragain

Jacques Ragain 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).

  • Hoisting and lowering mechanism for a rotatable mast
    Patent number: 4436051
    Abstract: Hoisting and lowering mechanism for a mast capable of axial and pivoting ement, comprising a jack housed at the lower part of the mast and fast to a suspension with respect to which the mast can pivot, the end of the rod of the jack being coupled through an anchoring point to the fixed parts situated beneath the mast. The invention is useful for the optronic mast or the periscopic surveillance antenna of a submarine.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: March 13, 1984
    Assignee: Societe d'Optique, Precision Electronique et Mechanique, Sopelem
    Inventors: Jacques Nollez, Jacques Ragain, Marc Prevost