Patents by Inventor Keith E. Berg

Keith E. Berg 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: 4508097
    Abstract: The present invention relates generally to an indoor barbecue griller in which substantially all fat and other cooking residues are vaporized. Previously it had been the custom to catch fat and the like in a tray under the heating means for later withdrawal. Due to the fire risk, it had previously been the practice to keep the container and its environs as cool as possible. The present invention provides that the collection receptacle take the form of an absorbent tray which is heated by reflection and refraction from the heating means and refractory material, said tray being surrounded by a heavily insulated enclosure provided with copious quantities of air to assist instantaneous combustion. A plenum chamber assists the control of combustion of said residues.
    Type: Grant
    Filed: December 8, 1982
    Date of Patent: April 2, 1985
    Inventor: Keith E. Berg
  • Patent number: 4120790
    Abstract: An apparatus and method for dewatering rubber crumb in which a slurry of rubber crumb and fines overflowed from a feed tank onto a curved screen for dewatering is subjected to a change in direction away from the screen by a fixed baffle in the feed path upstream of the screen and is then redirected by a second, adjustable baffle onto the screen with the second, adjustable baffle also determining the spacing between the screen and the second baffle and thereby restricting flow from the curved screen onto a coated chute which delivers partially dewatered rubber crumb from the apparatus.
    Type: Grant
    Filed: June 28, 1977
    Date of Patent: October 17, 1978
    Assignee: Phillips Petroleum Company
    Inventors: Donald Tinker, Keith E. Berg