Patents by Inventor Kurt Wienen

Kurt Wienen 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: 4854823
    Abstract: A leak indicating device for a magnetic centrifugal pump having a separating pot which seals against the pumped medium and which comprises two separating pots with collars inserted one within another. The device contains a ring which is clamped between the collars of the two separating pots. The ring has a radial bore which connects the space between the separating pots to an indicator.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: August 8, 1989
    Inventors: Paul Hatting, Kurt Wienen
  • Patent number: 4752194
    Abstract: A magnetic coupler for a magnetic centrifugal pump includes inner and outer rotors having arranged thereon a plurality of permanent magnetics mounted in opposition. A bipartite separating pot that is mounted between the inner and outer rotor and is composed of two electrically non-conductive separating pots nested one in the other, whereby an inner one of the separating pots is of a chemically resistant material and the outer one of the separating pots is of a fiber composite.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: June 21, 1988
    Assignee: Richter Chemi-Technik GmbH
    Inventors: Kurt Wienen, Alfred Mersch, Hans P. Krahmer-Mollenberg