Patents by Inventor Brigitte Rosemeier

Brigitte Rosemeier 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: 8236078
    Abstract: A filter bag includes a first filter material layer including an inflow opening, a second filter material layer having edges along which the second filter layer is joined to the first filter material layer to form an inside space; and a flat, multi-layer filter insert arranged in the inside space and having sections connected, respectively, to the first and second material layers. The filter insert has at least two outer layers defining an intermediate area there between. The intermediate area includes a center layer or an intermediate space for dust collection.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: August 7, 2012
    Assignee: Wolf PVG GmbH & Co. KG
    Inventors: Brigitte Rosemeier, Wolfgang Czado
  • Publication number: 20090301043
    Abstract: A filter bag includes a first filter material layer including an inflow opening, a second filter material layer having edges along which the second filter layer is joined to the first filter material layer to form an inside space; and a flat, multi-layer filter insert arranged in the inside space and having sections connected, respectively, to the first and second material layers. The filter insert has at least two outer layers defining an intermediate area there between. The intermediate area includes a center layer or an intermediate space for dust collection.
    Type: Application
    Filed: June 10, 2009
    Publication date: December 10, 2009
    Applicant: WOLF PVG GMBH & CO. KG
    Inventors: Brigitte ROSEMEIER, Wolfgang CZADO