Patents by Inventor Graig M. Collins

Graig M. Collins 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).

  • Publication number: 20080240866
    Abstract: A module is for use in drilling a borehole in face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for holding a plurality of different drilling elements. A manipulator moves along an arcuate path between the bolt and drilling element holders to deliver the respective components to a drill head positioned along the arcuate path. The drill head may also slide relative to the mast in two different directions, and includes a drill guide for determining the location of the face to be worked. Related aspects of control of the module and methods are disclosed.
    Type: Application
    Filed: April 9, 2008
    Publication date: October 2, 2008
    Applicant: J.H. Fletcher & Co.
    Inventors: Gregory E. Hinshaw, Henry E. Wilson, Graig M. Collins, William A. Kyslinger, William B. Schwab