Patents by Inventor Arthur M. Handsel

Arthur M. Handsel 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).

  • Matrix bit with extended blades
    Patent number: 4667756
    Abstract: A matrix bit is shown of the type having a metallic mandrel with a connecting end for connection in a well pipe string leading to the well surface. An opposite end is covered with a cast matrix material which defines a central bit body. A plurality of integral blades are formed of the cast matrix material and extend axially and radially from the central bit body. Each of the blades is reinforced by a metallic extension which is contained within the matrix material and extends coaxially with each blade.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: May 26, 1987
    Assignee: Hughes Tool Company-USA
    Inventors: William W. King, Arthur M. Handsel, David M. Nguyen