Patents by Inventor Bjorn Wickzell

Bjorn Wickzell 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).

  • Method and apparatus for filtering a particle-liquid suspension
    Patent number: 5356541
    Abstract: A method and filter arrangement for filtering particle-contaminated liquid which is caused to spill onto the upper side of a filter 2. Spray pipes 4, equipped with nozzles 5, are rotatably mounted beneath the filter, and spray flushing liquid against the underside of the filter. A drainage channel 7, mounted above the filter surface, catches and directs some of the particle carrying liquid to the outlet 3. The drainage channel has an extended portion which forms a channel inlet and also functions as a splash guard.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: October 18, 1994
    Assignee: Filterteknik b.w. AB
    Inventor: Bjorn Wickzell