Patents by Inventor Frank Lotter

Frank Lotter 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).

  • Screen element
    Patent number: 5384046
    Abstract: A screen element or screen basket for sorting and classifying a fluid flow, in particular for treatment of fiber suspensions or for mechanical purification of molasses, includes a screen insert having a support screen for taking up forces or loads during operation and a plurality of screen inserts which are provided with classifying openings. The screen inserts are detachably secured to the support screen allowing individual replacement during wear or damage.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: January 24, 1995
    Assignee: Heinrich Fiedler GmbH & Co KG
    Inventors: Frank Lotter, Waldemar R. Knodel