Patents by Inventor Jochen Zabold

Jochen Zabold 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).

  • Electret filter element and method for the manufacture thereof
    Patent number: 8871011
    Abstract: A method for manufacturing an electret filter element includes preparing fibers and producing, by a spray device, a spray mist of fluid droplets which include an electrical charge formed by an electric field between detaching fluid droplets and a counter-electrode. The fibers are passed through the spray mist so as to wet the fibers with the fluid droplets. The fibers are laid down to form a fibrous layer.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: October 28, 2014
    Assignee: Carl Freudenberg KG
    Inventors: Klaus Veeser, Martin Krause, Toan-Hieu Giang, Jochen Zabold
  • ELECTRET FILTER ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20110168024
    Abstract: A method for manufacturing an electret filter element includes preparing fibers and producing, by a spray device, a spray mist of fluid droplets which include an electrical charge formed by an electric field between detaching fluid droplets and a counter-electrode. The fibers are passed through the spray mist so as to wet the fibers with the fluid droplets. The fibers are laid down to form a fibrous layer.
    Type: Application
    Filed: August 27, 2009
    Publication date: July 14, 2011
    Applicant: CARL FREUDENBERG KG
    Inventors: Klaus Veeser, Martin Krause, Toan-Hieu Giang, Jochen Zabold