Patents by Inventor Walter Frehse

Walter Frehse 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: 7717996
    Abstract: A sprayable coating agent is disclosed in the form of granules with which the granules are compacted to form a pressed piece, subsequently ground up and optionally sieved, whereby the granules have the following particle-size distribution: 0%-40% by weight: 0-600 microns; 5%-55% by weight: 600-1250 microns; 5%-95% by weight: >1250 microns; or 15% by weight: 0-800 microns; 0%-85% by weight: 800-2000 microns; 0%-15% by weight: >2000 microns. Likewise disclosed are its production, further processing and use for internal and external applications.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: May 18, 2010
    Inventors: Christian Bumm, Walter Frehse, Andreas Weigand
  • Publication number: 20060155013
    Abstract: A sprayable coating agent is disclosed in the form of granules with which the granules are compacted to form a pressed piece, subsequently ground up and optionally sieved, whereby the granules have the following particle-size distribution: 0%-40% by weight: 0-600 ?m; 5%-55% by weight: 600-1250 ?m; 5%-95% by weight: >1250 ?m; or 15% by weight: 0-800 ?m; 0%-85% by weight: 800-2000 ?m; 0%-15% by weight: >2000 ?m. Likewise disclosed are its production, further processing and use for internal and external applications.
    Type: Application
    Filed: October 2, 2003
    Publication date: July 13, 2006
    Inventors: Christian Bumm, Walter Frehse, Andreas Weigand