Patents by Inventor Thomas Branscomb

Thomas Branscomb 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).

  • Investment casting shells and compositions including rice hull ash
    Publication number: 20050252632
    Abstract: Incorporation of rice hull ash into investment casting shell molds improves the permeability, shell build thickness, and/or shell build uniformity of the molds. A method to make the molds entails mixing refractory filler, rice hull ash, and preferably a fiber to form a dry blend; mixing the dry blend with a binder sol to form a refractory slurry, and employing the refractory slurry to produce an investment casting shell mold.
    Type: Application
    Filed: June 8, 2005
    Publication date: November 17, 2005
    Inventors: John Vandermeer, Kermit Buntrock, Thomas Branscomb, Arlen Davis
  • Investment casting mold and method of manufacture
    Publication number: 20050199366
    Abstract: The invention relates to a investment casting shell molds and their method of manufacture. The method entails mixing fiber and refractory filler to form a dry blend; mixing the dry blend with a binder sol to form a refractory slurry, and employing the refractory slurry to produce an investment casting shell mold.
    Type: Application
    Filed: March 31, 2005
    Publication date: September 15, 2005
    Inventors: John Vandermeer, Kermit Buntrock, Thomas Branscomb, Arlen Davis