Patents by Inventor Marco Rosendahl

Marco Rosendahl 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).

  • Publication number: 20030106295
    Abstract: A multilayer composite filter medium for serial filtration with an onflow side and an outflow side with respect to a medium to be filtered, the filter medium comprising at least two filter layers of the same or different filter media and the filter layers being welded to one another at defined points and/or areas over the complete surface, and at least one filter medium being arranged on the onflow side and at least one filter medium being arranged on the outflow side. Further subject-matters of the invention are a method of producing the composite filter medium, use of the composite filter medium and a filter containing the composite filter medium according to the invention.
    Type: Application
    Filed: March 5, 2002
    Publication date: June 12, 2003
    Applicant: IBS Filtran Kunststoff-/Metallerzeugnisse GmbH
    Inventors: Markus Beer, Marco Rosendahl, Wolfgang Stausberg
  • Patent number: D471217
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: March 4, 2003
    Assignee: IBS Filtran Kunststoff-/Metallerzeugnisse GmbH
    Inventors: Markus Beer, Marco Rosendahl, Deitmar Sahm
  • Patent number: D472247
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: March 25, 2003
    Assignee: IBS Filtran Kunststoff-/Mettallerzeugnisse GmbH
    Inventors: Markus Beer, Marco Rosendahl, Deitmar Sahm