Patents by Inventor Charles M. Olson

Charles M. Olson 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).

  • 3-D printed casting shell and method of manufacture
    Patent number: 9381564
    Abstract: A printable refractory material is provided having a liquid and powder component configured for use in a 3-D powder printer, where the material forms hydraulic bonds when the liquid and powder components are combined. Methods of printing the refractory material and forming castings therefrom are also provided.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: July 5, 2016
    Assignee: WISYS Technology Foundation, Inc.
    Inventors: Daniel S. McGuire, Eric E. Hellmstrom, Charles M. Olson
  • 3-D Printed Casting Shell And Method Of Manufacture
    Publication number: 20150041098
    Abstract: A printable refractory material is provided having a liquid and powder component configured for use in a 3-D powder printer, where the material forms hydraulic bonds when the liquid and powder components are combined. Methods of printing the refractory material and forming castings therefrom are also provided.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 12, 2015
    Inventors: Daniel S. McGuire, Eric E. Hellmstrom, Charles M. Olson
  • Stabilized brake fluids containing metal borohydride and butylated hydroxytoluenes
    Patent number: 5310493
    Abstract: In a composition having one or more glycol-based diluents, one or more lubricants, and one or more inhibitors, the improvement comprising: (A) 0.001 to 1.0 percent by weight of one or more butylated hydroxytoluenes, and (B) 0.001 to 1.0 percent by weight of one or more metal borohydrides.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: May 10, 1994
    Assignee: The Dow Chemical Company
    Inventors: Charles M. Olson, Bart R. Burza