Patents by Inventor Holger Wollnik

Holger Wollnik 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).

  • Patent number: 5311643
    Abstract: A hinge for a foldable rail section for mounting a container of an oxygen supply unit in an aircraft, with a first hinge part on the rail section and a second hinge part on the edge of the container, and with a container door, which extends in parallel to the longitudinal side of the rail section and is pivotable around a joint on the rear edge of the container. The connection of the hinge to the container is simplified, and a stop is provided for the container door.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: May 17, 1994
    Assignee: Dragerwerk AG
    Inventors: Wolfgang Marquardt, Roderich Thometschek, Wolfgang Rittner, Alfred Rother, Holger Wollnik, Christoph Bauer, Christian Schnoor