Patents by Inventor Matthew O. Kelley

Matthew O. Kelley 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).

  • Roller/squeezer deliquifier
    Patent number: 4919824
    Abstract: Solid particles with entrained liquid are removed from a filtration tank and deposited on a chute inlet to a pair of rollers. One roller is pressed toward the opposite roller such that the solid particles pass through the nip of the rollers and the liquid is squeezed therefrom. The solid particles are scraped from the rollers on the outlet side of the deliquifier for collection. The liquid is collected on the inlet side of the rollers for reuse.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: April 24, 1990
    Assignee: Henry Filters, Inc.
    Inventors: John L. Creps, Matthew O. Kelley