Patents by Inventor Jean Piat

Jean Piat 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).

  • Cutting-off machine for hard bodies
    Patent number: 4160439
    Abstract: The invention relates to a machine for cutting hard bodies, characterized by the fact that it comprises two power-driven rotatable drums with parallel axes, each provided with a helical groove on its peripheral surface. An abrasive metallic wire is wound on both drums in order to form at least a layer of parallel wires. One end of the wire is wound on a feeding spool and the other end on a receiving spool; and the feeding and receiving spools are power driven in rotation.
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: July 10, 1979
    Assignee: Sotarem S.A.
    Inventor: Jean Piat
  • Trimarans
    Patent number: 3954077
    Abstract: An arrangement for preventing the capsizing of trimaranes, and to facilitate their righting, comprising a main hull, two stabilizing hulls pivotally connected to the main hull by a pair of arms and further including a pair of extensible elastic members to restrain the upward movement of the stabilizing hulls and a plurality of flexible, non-extensible members to restrain the downward movement of the stabilizing hulls.
    Type: Grant
    Filed: May 12, 1972
    Date of Patent: May 4, 1976
    Inventor: Michel Gaston Jean Piat-Marchand