Patents by Inventor Heiko Brinkmann

Heiko Brinkmann 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 frames
    Patent number: 8518140
    Abstract: A filter element comprises a top frame member, a bottom frame member and a pleated filter assembly received in respective channel sectioned formers comprised by said top and bottom frame members. The formers are integrally bonded with a polyurethane resin core formed in the formers. A mold may include a core member or projections which maintain air passages during molding, and serve to locate the pleats of the filter element in relation to the air passages.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: August 27, 2013
    Assignee: Madison Filter 981 Ltd.
    Inventors: Niels Fischer, Heiko Brinkmann
  • FILTER ELEMENT FRAMES
    Publication number: 20110016837
    Abstract: A filter element comprises a top frame member, a bottom frame member and a pleated filter assembly received in respective channel sectioned formers comprised by said top and bottom frame members. The formers are integrally bonded with a polyurethane resin core formed in the formers. A mould may include a core member or projections which maintain air passages during moulding, and serve to locate the pleats of the filter element in relation to the air passages.
    Type: Application
    Filed: December 22, 2008
    Publication date: January 27, 2011
    Applicant: MADISON FILTER 981 LIMITED
    Inventors: Niels Fischer, Heiko Brinkmann