Patents by Inventor Ronald J. Huval

Ronald J. Huval 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).

  • Well drilling tool
    Patent number: 5332050
    Abstract: The invention relates to improvement in well drilling tools to prevent drilling fluids and solid particles present in a subterranean location from adhering to drilling equipment. A nickel-phosphorus coating is deposited by an electroless plating process on the entire surface of the tool, so as to substantially reduce porosity of the tool and prevent penetration of the foreign matter into the ferrous core of the tool.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: July 26, 1994
    Assignee: Tri City Services, Inc.
    Inventor: Ronald J. Huval
  • Well drilling tool
    Patent number: 5308660
    Abstract: The invention relates to improvement in well drilling tools to prevent drilling fluids and solid particles present in a subterranean location from adhering to drilling equipment. A nickel-phosphorus coating is deposited by an electroless plating process on the entire surface of the tool, so as to substantially reduce porosity of the tool and prevent penetration of the foreign matter into the ferrous core of the tool.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: May 3, 1994
    Assignee: Tri-City Services, Inc.
    Inventor: Ronald J. Huval