Patents by Inventor Dennis A. Clayton

Dennis A. Clayton 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: 11672337
    Abstract: The present invention is for a novel pivotable shelving system utilizing (in some embodiments) one or more D-shaped shelves that may pivot such that when it is in a cabinet and the flat portion of the D shape is at a front edge of the cabinet, when the shelf is rotated, a portion of the shelf extends beyond the front of the cabinet. Other improvements in some embodiments include devices having multiple swiveling spinners which may each operate/pivot independently as well as multiple shelves of varied geometry to enable taller items to be placed on the lower shelf and extent above an upper shelf.
    Type: Grant
    Filed: April 11, 2020
    Date of Patent: June 13, 2023
    Inventor: Dennis Clayton
  • Patent number: 4953481
    Abstract: The invention is directed to the use of melting point enhancers to control slag build-up in garbage, medical waste and sludge incinerators. It is directed to a method of modifying the nature of low melting non-combustible components of garbage, medical waste and sludge by the addition of very high melting point metallic compounds so as to render the low melting point materials non adherent or less adherent and easier to remove from furnace surfaces.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: September 4, 1990
    Assignee: Utility Chemicals, Inc.
    Inventor: Dennis A. Clayton
  • Patent number: D814217
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: April 3, 2018
    Inventor: Dennis Clayton
  • Patent number: D814219
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: April 3, 2018
    Inventor: Dennis Clayton
  • Patent number: D814220
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: April 3, 2018
    Inventor: Dennis Clayton
  • Patent number: D825235
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: August 14, 2018
    Inventor: Dennis Clayton
  • Patent number: D888476
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Inventor: Dennis Clayton
  • Patent number: D888477
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Inventor: Dennis Clayton
  • Patent number: D888478
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Inventor: Dennis Clayton
  • Patent number: D889173
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: July 7, 2020
    Inventor: Dennis Clayton
  • Patent number: D889174
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: July 7, 2020
    Inventor: Dennis Clayton
  • Patent number: D889175
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: July 7, 2020
    Inventor: Dennis Clayton