Patents by Inventor Laszlo Bonnyay

Laszlo Bonnyay 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).

  • Vacuum filter for the separation of solids from liquids
    Patent number: 4640775
    Abstract: A horizontal vacuum tray filter having a plurality of U-shaped trays interconnected to a conveyor for movement past a filtration zone in the horizontal plane of movement wherein an endless filter cloth is disposed over the bottom walls of the trays in said horizontal plane with the adjacent open ends of said trays in detachable sealing engagement to provide a continuous filtration surface over the filtration zone.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: February 3, 1987
    Assignee: Dorr-Oliver Incorporated
    Inventors: Kurt E. Pietzsch, Laszlo Bonnyay
  • Corn wet milling system and process for manufacturing starch
    Patent number: 4207118
    Abstract: A starch wet milling process, in which a series of independent classifications and separations is carried out in the production of starch, employs a Starch Gluten Separation Station having a three-stage centrifugation treatment including passing the entire mill stream through a mill stream centrifuge thickener, followed by primary starch centrifuge separation and gluten centrifuge thickening.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: June 10, 1980
    Assignee: Dorr-Oliver Incorporated
    Inventors: Laszlo Bonnyay, James C. Elsken