Patents by Inventor Manfred Hanka

Manfred Hanka 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: 6420950
    Abstract: The invention relates to an electromagnet, the armature space of which is connected via a venting duct to the environment. It is proposed to provide a siphon in the venting duct.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: July 16, 2002
    Assignee: Dipl.-Ing. Schultz, Wolfgang E.
    Inventors: Dieter Kleinert, Georg Scherer, Reinhard Häring, Helmut Mang, Manfred Hanka
  • Patent number: 6175291
    Abstract: A magnet coil which receives an armature movable longitudinally with respect to the coil axis and having an armature rod. A support of the armature or of the armature rod in a core serves also for the guidance of the magnetic field, a direct support of the armature or of the armature rod on a surface of the core.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: January 16, 2001
    Assignee: Dipl- Ing. Wolfgang E. Schultz
    Inventors: Dieter Kleinert, Georg Scherer, Helmut Mang, Reinhard H{umlaut over (a)}ring, Manfred Hanka