Patents by Inventor Claude Maurice Andre

Claude Maurice Andre 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).

  • Machine for manufacturing corrugated structures
    Patent number: 3998140
    Abstract: The invention concerns a machine for the continuous manufacture of corrugated filter structures out of a thin strip. On the two sides of the thin strip, by means of marking lines, a series of impressions are marked for the purpose of beginning the formation of longitudinal folded ribs, the strip thus marked being pushed through a passage having an evolving shape and longitudinal ribs, for the purpose of compressing the strip transversely as well as longitudinally, and the folded structure coming out of such passage being cut at will.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: December 21, 1976
    Assignee: Sofited 2
    Inventor: Claude Maurice Andre