Patents by Inventor Robert Henaff

Robert Henaff 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).

  • Process and apparatus for the multipolar magnetization of a material in strips
    Patent number: 4379276
    Abstract: A process and apparatus for permitting the magnetization of materials in the form of sheets or strips, such as magnetic rubber, wherein one or two stacks formed by flat main magnets 1 adjacent to ferromagnetic pole pieces 2 in the vicinity of which (or between which) travels the strip to be magnetized. The main magnets adjacent to the same pole piece having opposing magnetizations as well as the magnets located face to face in each of the stacks. The device can be completed by field magnets .delta. and intermediate magnets 9.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: April 5, 1983
    Assignee: Aimants Ugimag S.A.
    Inventors: Claude Bouchara, Robert Henaff, Pierre Jacob