Patents by Inventor Franz F. Kufferath

Franz F. Kufferath 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).

  • Multilayered press screen for wet presses of a paper machine
    Patent number: 5601691
    Abstract: A multilayered press screen for wet presses of a paper machine exhibits a capillary and/or adhesive water reservoir that is integrated into the cloth at a distance from both the contact surface for the web to be dewatered and from the machine running side.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: February 11, 1997
    Inventor: Franz F. Kufferath
  • Paper making drainage belt with funnel-like channels
    Patent number: 5056565
    Abstract: In a drainage belt for presses in the wet section of a paper machine, which belt includes a porous support belt (3,4) in the form of a screen webbing and a finely porous cover layer (1,2) on the side of the support belt (3,4) facing the paper web, the cover layer (1,2) is formed by a shape-retaining single-plane screen webbing which forms drainage channels.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: October 15, 1991
    Inventor: Franz F. Kufferath
  • Drainage belt for presses in the wet section of a paper machine
    Patent number: 4867206
    Abstract: In a drainage belt for presses in the wet section of a paper machine, which belt includes a porous support belt (3,4) in the form of a screen webbing and a finely porous cover layer (1,2) on the side of the support belt (3,4) facing the paper web, the cover layer (1,2) is formed by a shape-retaining single-plane screen webbing which forms drainage channels.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: September 19, 1989
    Inventor: Franz F. Kufferath