Patents by Inventor Regina Brack

Regina Brack 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).

  • Filter element
    Patent number: 10786773
    Abstract: In an embodiment, the present invention provides a filter element including: a bellows in the shape of a zig-zag having pleat walls and a pleat ridge, edges of the pleat walls and the pleat ridge being provided with edge elements; and a frame element being assigned to at least one end pleat of the bellows. The frame element surrounds the end pleat so as to form a positive fit on both sides, the frame element being fixed to the edge elements.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Regina Brack, Uwe Haefner, Alexander Oelsner
  • FILTER ELEMENT
    Publication number: 20180154298
    Abstract: In an embodiment, the present invention provides a filter element including: a bellows in the shape of a zig-zag having pleat walls and a pleat ridge, edges of the pleat walls and the pleat ridge being provided with edge elements; and a frame element being assigned to at least one end pleat of the bellows. The frame element surrounds the end pleat so as to form a positive fit on both sides, the frame element being fixed to the edge elements.
    Type: Application
    Filed: November 21, 2017
    Publication date: June 7, 2018
    Inventors: Regina Brack, Uwe Haefner, Alexander Oelsner