Patents by Inventor Hans Olthaus

Hans Olthaus 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).

  • Embossing press for producing embossed seams
    Patent number: 6431063
    Abstract: The subject matter of the invention is an embossing press, including an embossing roller and a counter cylinder, for producing embossed seams by joining at least two paper layers or fleece layers, arranged one above the other and conveyed in a straight line. For this, the embossed seams extend at a slant or at a right angle relative to the conveying direction of the paper layers or fleece layers. The embossing roller is provided with at least two rows of embossing teeth, arranged at a distance to each other, and the counter cylinder is designed as fluted roller, at least in the area effective for the embossing operation.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: August 13, 2002
    Assignee: Melitta Haushaltsprodukte GmbH & Co., KG
    Inventors: Rainer Dölfel, Stephan Frank, Joachim Freiheit, Hans Olthaus
  • Embossing press for producing embossed seams
    Publication number: 20010013281
    Abstract: The subject matter of the invention is an embossing press, including an embossing roller and a counter cylinder, for producing embossed seams by joining at least two paper layers or fleece layers, arranged one above the other and conveyed in a straight line. For this, the embossed seams extend at a slant or at a right angle relative to the conveying direction of the paper layers or fleece layers.
    Type: Application
    Filed: December 18, 2000
    Publication date: August 16, 2001
    Inventors: Rainer Dolfel, Stephan Frank, Joachim Freiheit, Hans Olthaus