Patents by Inventor Jos Marnach

Jos Marnach 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: 6739489
    Abstract: A segmented vacuum roll comprising an inner assembly on which a plurality of cylindrical sleeve tubes (2a, 2b, 2c) having apertures over their circumference are rotatably and coaxially mounted side by side, each of said sleeve tubes being individually rotatable and one or several first chambers (9a, 9b, 9c) formed in said inner assembly and partly defined by a first portion of circumference of said sleeve tubes, said inner assembly comprising linking channels (6a, 6b, 6c) for linking a vacuum source to said chambers so that said first portion of circumference of said sleeve tubes may be submitted to vacuum. Said inner assembly comprises an inner tube (3), at least one outer tube (5a, 5b, 5c) surrounding said inner tube and a plurality of longitudinal walls extending between said inner tube and said outer tube so as to form longitudinal channels (6a, 6b, 6c).
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: May 25, 2004
    Assignee: DuPont Teijin Films U.S.
    Inventors: Luc Marie Hubert Andre Nicolai, Gilles Petitjean, Jos Marnach