Patents by Inventor Helmut Matthes

Helmut Matthes 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).

  • Cell culture insert
    Patent number: 7598076
    Abstract: The invention relates to a cell culture insert (1) comprising a beaker-shaped insert wall (11), a base (9) consisting of a membrane filter, projecting support arms (3, 4) that are distributed around the periphery of the top and lateral spacers (7, 8) for a vertical and horizontal orientation in a well (2) containing a liquid culture medium (N) in a cell culture plate. According to the invention, the spacers (7, 8) are distributed around the periphery of the cell culture insert (1) and have different radial lengths in such a way that a large feed opening (5) and several smaller openings (5A) are formed.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: October 6, 2009
    Assignee: Oxyphen AG
    Inventors: Gabriele Wedell, Helmut Matthes
  • Cell culture insert
    Publication number: 20060051857
    Abstract: The invention relates to a cell culture insert (1) comprising a beaker-shaped insert wall (11), a base (9) consisting of a membrane filter, projecting support arms (3, 4) that are distributed around the periphery of the top and lateral spacers (7, 8) for a vertical and horizontal orientation in a well (2) containing a liquid culture medium (N) in a cell culture plate. According to the invention, the spacers (7, 8) are distributed around the periphery of the cell culture insert (1) and have different radial lengths in such a way that a large feed opening (5) and several smaller openings (5A) are formed.
    Type: Application
    Filed: August 1, 2003
    Publication date: March 9, 2006
    Applicant: OXYPEN AG
    Inventors: Gabriele Wedell, Helmut Matthes