Patents by Inventor Harald Banzhaf

Harald Banzhaf 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).

  • Transmission oil filter comprising a melt blown layer at the downstream side
    Patent number: 9579595
    Abstract: A transmission oil filter has a filtration layer of fiberglass medium and, downstream of the filtration layer, a melt blown layer applied to the filtration layer for preventing or reducing introduction of fiberglass into the liquid to be filtered. The filtration layer of fiber glass medium has two faces and a spunbond layer is attached for improved handling of the filtration layer of fiberglass medium to at least one of the two faces.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: February 28, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Claudia Hüppchen, Harald Banzhaf, Gunnar-Marcel Klein, Thorsten Schmid
  • Transmission Oil Filter Comprising a Melt Blown Layer at the Downstream Side
    Publication number: 20090120868
    Abstract: A transmission oil filter has a filtration layer of fiberglass medium and, downstream of the filtration layer, a melt blown layer applied to the filtration layer for preventing or reducing introduction of fiberglass into the liquid to be filtered. The filtration layer of fiber glass medium has two faces and a spunbond layer is attached for improved handling of the filtration layer of fiberglass medium to at least one of the two faces.
    Type: Application
    Filed: September 16, 2008
    Publication date: May 14, 2009
    Applicant: MANN+HUMMEL GMBH
    Inventors: Claudia Huppchen, Harald Banzhaf, Gunnar-Marcel Klein, Thorsten Schmid