Patents by Inventor Ron Chandler

Ron Chandler 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).

  • Adjustable orifice trommel
    Patent number: 5437374
    Abstract: An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a plurality of openings. An outer plate is provided for each inner plate slidable axially in relation to the inner plate, each outer plate having a plurality of openings matable with the inner plate openings so that moving the outer plate with respect to the inner plate will vary the size of the orifices.
    Type: Grant
    Filed: July 23, 1993
    Date of Patent: August 1, 1995
    Assignee: Osborn Engineering, Inc.
    Inventors: Marlin D. Bills, Ron Chandler