Patents by Inventor Gregory WITMYER

Gregory WITMYER 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).

  • SAND CASTINGS USING CALCIUM OXIDE COMPOUNDS
    Publication number: 20160271693
    Abstract: A method for cleaning residual mold material from a sand casting, the mold material comprising sand, a binder, and an electrolytic material, the method comprising exposing the residual mold material to an electrolytic solution; and subjecting the residual mold material to an electric current.
    Type: Application
    Filed: March 20, 2015
    Publication date: September 22, 2016
    Inventor: Gregory WITMYER
  • METHODS FOR PRODUCING AND CLEANING SAND CASTINGS
    Publication number: 20150367411
    Abstract: A method for cleaning residual mold material from a sand casting, the mold material comprising sand, a binder, and an electrolytic material, the method comprising exposing the residual mold material to an electrolytic solution; and subjecting the residual mold material to an electric current.
    Type: Application
    Filed: March 20, 2015
    Publication date: December 24, 2015
    Inventors: Gregory WITMYER, John E. HOFFMAN, JR., Richard A. HOFFMAN, SR.