Patents by Inventor Ernst Rogler

Ernst Rogler 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).

  • Chromatography apparatus
    Patent number: 5158676
    Abstract: Chromatography systems with devices for compressing the column packing and/or for pulsation damping have incorporate an additional device in which a preselected minimum pressure, which is independent of the eluent pressure, is combined with a second pressure component which is proportional to the eluent pressure.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: October 27, 1992
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Klaus Kreher, Gerhard Munch, Ernst Rogler