Patents by Inventor Tyrus W. Hartley

Tyrus W. Hartley 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).

  • Rigidification of semi-solid agglomerations
    Patent number: 4668128
    Abstract: A method of rigidifying semi-solid agglomerations resulting from the drilling of an oil or gas well comprises mixing the agglomerations with a hygroscopic powder and a cementitious binder to produce a rigid, form-stable matrix.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: May 26, 1987
    Assignee: Soli-Tech, Inc.
    Inventors: Tyrus W. Hartley, Dwight N. Hartley
  • Rigidification of semi-solid agglomerations
    Patent number: RE33747
    Abstract: A method of rigidifying semi-solid agglomerations resulting from the drilling of an oil or gas well comprises mixing the agglomerations with a hygroscopic powder and a cementitious binder to produce a rigid, form-stable matrix.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: November 19, 1991
    Assignee: Soli-Tech, Inc.
    Inventors: Tyrus W. Hartley, Dwight N. Hartley