Patents by Inventor John Greenrose

John Greenrose 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).

  • Solids separation mechanism
    Patent number: 6461523
    Abstract: A mechanism and method for separating solids from a slurry includes a screen, and an extractor screw connected to the screen outlet by means of a flexible conduit, wherein the outlet of the extractor screw is at a higher elevation than the outlet of the screen.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: October 8, 2002
    Inventor: John Greenrose