Patents by Inventor David M. Rasch

David M. Rasch 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).

  • A papermaking belt
    Patent number: 5431786
    Abstract: The present invention is directed to a single lamina tissue paper having visually discernible, large scale patterns made during the drying step of the papermaking process. Particularly, the tissue is made on a blow through drying belt having a pattern of alternating knuckles and deflection conduits. This pattern produces a like pattern of regions in the paper having alternating values of crepe frequencies, opacities and elevations. The differences in these values produces a visually discernible pattern.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: July 11, 1995
    Assignee: The Procter & Gamble Company
    Inventors: David M. Rasch, Thomas A. Hensler, Dean J. Daniels
  • Tissue paper having large scale, aesthetically discernible patterns
    Patent number: 5328565
    Abstract: The present invention is directed to a single lamina tissue paper having visually discernible, large scale patterns made during the drying step of the papermaking process. Particularly, the tissue is made on a blow through drying belt having a pattern of alternating knuckles and deflection conduits. This pattern produces a like pattern of regions in the paper having alternating values of crepe frequencies, opacities and elevations. The differences in these values produces a visually discernible pattern.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: July 12, 1994
    Assignee: The Procter & Gamble Company
    Inventors: David M. Rasch, Thomas A. Hensler, Dean J. Daniels