Patents by Inventor Charles W. Kleineke

Charles W. Kleineke 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).

  • Mine roof bolt with resin retention and resin mixing device
    Patent number: 5073065
    Abstract: A mine roof bolt is provided including a tapered shoulder portion extending from a terminal threaded portion to a main body portion. The threaded portion includes a locking mechanism for mechanically engaging the side walls of a mine roof bore. A resin retention and resin mixing device rests on the tapered shoulder portion of the mine roof bolt to aid in chemically bonding the bolt to the mine roof bore.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: December 17, 1991
    Assignee: Advanced Mining Systems, Inc.
    Inventor: Charles W. Kleineke