Patents by Inventor William B. Spence

William B. Spence 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: 20120055374
    Abstract: A masonry product is formed from a composition comprising a blend of fly ash and kiln dust. A process for forming the product comprises mixing fly ash, kiln dust, and water; and applying a pressure.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 8, 2012
    Inventors: William B. Spence, Chris A. Forsha
  • Publication number: 20110314884
    Abstract: Mineral Lime is a composition having from about 85% to about 95% by volume of fly ash and from about 5% to about 15% by volume of kiln dust. A composition for Mineral Lime can also have from about 85% to about 95% by volume of Class C fly ash; and from about 5% to about 15% by volume of lime kiln dust. A process for producing a composition of Mineral Lime including fly ash and kiln dust, includes the steps of feeding fly ash to a blender; feeding kiln dust to the blender; and blending the fly ash and kiln dust in the blender.
    Type: Application
    Filed: June 24, 2011
    Publication date: December 29, 2011
    Inventors: William B. Spence, Chris A. Forsha
  • Patent number: 6436884
    Abstract: A pollution remedial composition primarily for treating polychlorinated biphenyl compounds is disclosed. The pollution remedial composition includes from about 35 to about 40 volume % of a soluble silicate; from about 0.25 to about 2 volume % of a surfactant; from about 2 to about 5 volume % of a polyol; and the remainder water. The soluble silicate is preferably sodium silicate. The surfactant is preferably Tergitol brand surfactant. The polyol is preferably polyethylene glycol.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: August 20, 2002
    Inventor: William B. Spence