Patents by Inventor Ernst Brunbauer

Ernst Brunbauer 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).

  • Method for producing paper imprinted with a pattern
    Publication number: 20050077021
    Abstract: The invention relates to a method for producing paper imprinted with a pattern, especially cigarette paper that is impregnated stripwise with fire-retardant materials. According to said method, a self-supporting web of paper is imprinted with an aqueous printing solution. Said printing solution contains water-soluble polymers and the paper is heated to above 50° C. before or during printing.
    Type: Application
    Filed: April 24, 2002
    Publication date: April 14, 2005
    Inventors: Ernst Brunbauer, Berndt Koll, Markus Eibl, Andreas Windischbauer
  • Filter cigarette
    Patent number: 6832613
    Abstract: A cigarette filter is surrounded by a wrapping paper, and the wrapping paper includes metal only on portion of a surface thereof, such that air can penetrate through the wrapping paper into the filter.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: December 21, 2004
    Assignee: Trierenberg Holding Aktiengesellschaft
    Inventor: Ernst Brunbauer
  • Filter cigarette
    Publication number: 20030056802
    Abstract: The invention relates to a filter cigarette having a filter (1) that is surrounded by a filter wrapping paper (2) which is enclosed by a coating (3) of the tip. The inside of the filter wrapping paper (2) is coated with a metal, especially aluminium. The coating is only applied to a part of the filter wrapping paper (2) in such a way that air can penetrate through said paper and into the filter (1).
    Type: Application
    Filed: October 11, 2002
    Publication date: March 27, 2003
    Inventor: Ernst Brunbauer