Patents by Inventor Hartmut Schmidt-Rabenau

Hartmut Schmidt-Rabenau 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: 6673086
    Abstract: An apparatus for the micro-dissection of tissue with a fine needle, which is arranged on holder movable in space along three axes and the tip of which can be moved with the holder relative to the tissue, which is to be severed, wherein the needle is coupled with an oscillating drive mechanism, which causes the needle to oscillate in the longitudinal and/or transverse direction at a predetermined amplitude and frequency.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: January 6, 2004
    Assignee: Eppendorf AG
    Inventors: Gerhard Hofmeier, Hartmut Schmidt-Rabenau, Axel Niendorf
  • Patent number: 4533255
    Abstract: In a process for mixing liquid samples to be analyzed, the liquid sample contained in a sample container is moved and mixed by a mechanically oscillated air column in contact with at least part of the liquid sample surface, the air column being excited with a frequency in the resonant range of the system formed by the air column and the sample liquid.
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: August 6, 1985
    Assignee: Eppendorf Geratebau Netheler & Hinz GmbH
    Inventors: Claus Gronholz, Hartmut Schmidt-Rabenau
  • Patent number: 4285791
    Abstract: An electrode assembly for electro-chemical measuring systems includes an electrode member having a selectively sensitive membrane disposed in its front end and an electrical conductor extending from the membrane rearwardly through the electrode member. A holding member is provided to secure the electrode member in sealed relation with the membrane disposed within a measuring chamber. The holding member provides a spring loaded sealing force to the electrode member and can be applied and removed without rotation of the electrode member.
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: August 25, 1981
    Assignee: Eppendorf Geratebau Netherler + Hinz GmbH
    Inventors: Hartmut Schmidt-Rabenau, Hans-Werner Berger