Patents by Inventor James P. Kindsvater

James P. Kindsvater 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).

  • Rigid inflatable boat
    Patent number: 5228407
    Abstract: A ridged inflatable boat is provided with cavities formed on the out-board side of the hull, between the hull and the surrounding pneumatic tube, whereby fastening hardware intended to either retain the pneumatic tube or above deck hardware, may pass through the hull, deck or gunwhale without puncturing the pneumatic tube.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: July 20, 1993
    Assignee: Barry Douglas Enterprises Ltd.
    Inventors: John L. Cummer, Jack W. Sarin, Paul Fredrickson, James P. Kindsvater, Stephen L. Davis
  • Mobile mining machine and method
    Patent number: 4548442
    Abstract: A first mobile mining machine for cutting mining tunnels in hard rock, which includes a horizontally swinging wheel-like cutterhead assembly mounted on a crawler and base frame assembly. The cutterhead assembly consists of a transverse horizontal axis wheel-like drum on which are multiple peripherally mounted rolling cutter units.A second mobile mining machine for cutting mining tunnels in hard rock, which includes a horizontally swinging and vertically ranging wheel-like cutterhead assembly mounted on a crawler and base frame assembly. The cutterhead assembly consists of a transverse horizontal axis wheel-like drum on which are multiple peripherally mounted rolling cutter units.
    Type: Grant
    Filed: December 6, 1983
    Date of Patent: October 22, 1985
    Assignee: The Robbins Company
    Inventors: David B. Sugden, Bruce A. Waddell, James P. Kindsvater, Robert B. Moffat