Patents by Inventor Louis Janecek

Louis Janecek 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).

  • Pressure filter apparatus
    Patent number: 4622144
    Abstract: A filtering apparatus and method wherein the solids in a liquid suspension are introduced into a pressure vessel and filtered through a filter section and pneumatic pressure is introduced after further flow of the liquid suspension is cut-off to cause continued flow through the solids accumulated in the filter section to expose gradually increasing areas of accumulated solids to the pneumatic pressures on the filter section and to compress the solids into a cake.
    Type: Grant
    Filed: June 21, 1984
    Date of Patent: November 11, 1986
    Assignee: AMSTED Industries Incorporated
    Inventors: Louis Janecek, Richard H. Wykoff