Patents by Inventor Max Lorens Booy

Max Lorens Booy 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).

  • Multivented twin-screw extruder
    Patent number: 4063717
    Abstract: A gaseous phase disengaging apparatus for a liquid phase process material contaminated with a substance of lower boiling point comprising a twin screw extruder through which the raw feed is passed and within which the feed is repetitively spread over the apparatus inside surfaces and thereafter recombined, which apparatus is provided with paired raw material supply inlets and gaseous phase vent ports maintained in continuous communication therebetween during screw rotation.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: December 20, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Max Lorens Booy