Patents by Inventor Roger D. Cunningham

Roger D. Cunningham 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).

  • Pan face sign construction and method of making pan face signs
    Patent number: 7275339
    Abstract: A new pan face sign construction comprises an opaque frame of extruded structural plastic and a pan face of clear plastic, such as acrylic or polycarbonate. Corners of the frame are simply mitered with a common miter saw and the frame pieces and pan face assembled with a suitable liquid plastic adhesive. The new pan face sign construction allows the sign lettering and graphics to be printed on the flat backside of the pan face with a modern ink jet printer and ultraviolet cured inks prior to assembly. After printing, the frame is assembled to the pan face and the sign is ready for installation.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: October 2, 2007
    Inventors: Roger D. Cunningham, Russell Govette
  • Compound reducing oven
    Patent number: 4548579
    Abstract: Treating and reducing solvent emissions from a gaseous stream, containing volatile organic compounds, discharged from a paint spray booth, resulting in the generation of heat which is used as for heat treating and drying the protective coatings. The apparatus employs a pressurization chamber in which the pollutant laden gaseous stream is pressurized, and raised in temperature as it is controllably flowed past a burner, combusting the volatilized organic substances therein.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 22, 1985
    Assignee: Blu-Surf, Inc.
    Inventor: Roger D. Cunningham