Patents by Inventor Dirk J. Schipper

Dirk J. Schipper 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: 5246087
    Abstract: A device for sealingly transporting medium, for instance lubricating oil, from a source to a receiving station rotatably movable relative thereto, which device comprises: a source for the medium; and a rotation bearing assembly comprising: at least one rotation bearing; means for receiving the medium from the source, transporting thereof through the rotation bearing assembly in at least partially radial direction and for feeding the medium to the receiving station; and mechanical sealing means.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: September 21, 1993
    Assignee: Hulleman Techniek B.V.
    Inventor: Dirk J. Schipper