Patents by Inventor William Keng

William Keng 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).

  • Publication number: 20050059565
    Abstract: A cleaning composition is provided comprising a solvent system and at least one inorganic alkaline salt, wherein the solvent system includes at least one polyhydric alcohol. The inventive composition may also include a thickener, a corrosion-inhibition system, surfactant. The invention also provides a method of cleaning soil from a cooking related surface comprising, applying a cleaning composition to the surface, allowing the cleaning composition to remain on the surface for a period of time and removing the composition from the surface along with the soil. After application of the composition, the surface can be heated prior to removal of the composition and soil from the surface.
    Type: Application
    Filed: September 1, 2004
    Publication date: March 17, 2005
    Inventors: David Sutton, Lance Brown, William Keng, Thomas Reynolds