Patents by Inventor Robert Tissot

Robert Tissot 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: 5288454
    Abstract: A method for controlling the remanance of a sintered magnet by varying the time when the orienting field is applied during cold compression. The method comprises obtaining powders of an appropriate particle size, compressing the powders in an oriented field, sintering, heat treating, machining and magnetizing to technical saturation. The cold compressing in an orienting field takes place at a precompression rate of more than 15% before the orienting field is applied. The method applies to magnets of all shapes which must have magnetic induction well defined in modulus and in direction, particularly annular magnets for traveling wave tubes.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: February 22, 1994
    Assignee: Aimants Ugimag S.A.
    Inventors: Jean-Marc Lang, Robert Tissot
  • Patent number: D477236
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: July 15, 2003
    Assignee: Robert & Fils 1630 SA
    Inventor: Gilles Robert-Tissot
  • Patent number: D337739
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: July 27, 1993
    Assignee: Gilles Robert S.A.
    Inventor: Gilles Robert-Tissot
  • Patent number: D340192
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: October 12, 1993
    Assignee: Gilles Robert, SA
    Inventor: Gilles Robert-Tissot
  • Patent number: D340647
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: October 26, 1993
    Assignee: Gilles Robert, SA
    Inventor: Gilles Robert-Tissot
  • Patent number: D968969
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: November 8, 2022
    Inventor: Gilles Robert-Tissot