Patents by Inventor Douglas E. Ries

Douglas E. Ries 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).

  • Device for adjusting head pressure in top side cooker
    Patent number: 5423253
    Abstract: A pressure adjustment mechanism for a top side cooker head includes an adjustable element secured to the top side cooker head arm. In one embodiment the element is adjustable in discrete one-half turn increments of a screw and in another embodiment is continuously adjustable. Both embodiments change the moment arm of a pneumatic cylinder ram that applies a counterbalance force to the cooker head. The invention permits adjustment of the force applied to foodstuffs on the griddle surface from 0 to the weight of the cooker head.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: June 13, 1995
    Assignee: Keating of Chicago, Inc.
    Inventors: Larry R. Olson, James H. Beck, George J. Baumbich, Douglas E. Ries