Patents by Inventor Michael T. Humphrey

Michael T. Humphrey 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).

  • Patent number: 5049333
    Abstract: Apparatus and method for preparing briquets of charcoal or the like with various shapes, preferably half pillow or "D" shape, in which briquets are molded between roll type press for compressing particulate material wherein mold cavities are circumferentially arranged on one press roll and the other press roll is blank or flat with alternating integral moving cheek plates and stationary guide bars cooperating with said mold cavities in the pinch area; thus resulting in briquets which are easily released and removed from the mold cavity areas.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: September 17, 1991
    Assignee: The Clorox Company
    Inventors: James G. Wolfe, Michael T. Humphrey