Patents by Inventor Ronald O. Groth

Ronald O. Groth 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).

  • Method of using an anti-stick coating to reduce dirt accumulation
    Publication number: 20080099056
    Abstract: Method of Using an Anti-Stick Coating to Reduce Dirt Accumulation The present disclosure is directed to a method of reducing dirt buildup on a machine surface. The method involves applying a sacrificial layer of an oil-based liquid on the surface and allowing dirt accumulation on the surface. The accumulated dirt along with the oil-based liquid is then removed.
    Type: Application
    Filed: October 31, 2006
    Publication date: May 1, 2008
    Inventors: Atanu Adhvaryu, Ronald O. Groth, Andrew Neil McGilvray
  • Method and apparatus to detect change in work tool
    Patent number: 6990390
    Abstract: Method and apparatus to detect a change in a work tool with an engaging portion. A control system senses a change in the relationship between the engaging portion of the work tool and at least one of the work tool and another engaging portion of the work tool. If the change is greater than a predetermined value, the control system produces an error signal.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: January 24, 2006
    Assignee: Caterpillar Inc.
    Inventors: Ronald O. Groth, Carl A. Kemner, N. Keith Lay
  • Overshot loader for autonomous operation
    Patent number: 6846152
    Abstract: An overshot loader including a set of ground engaging members, a frame attached to the set of ground engaging members, and a linkage assembly movably connected to the frame and located within a longitudinal center portion of the frame.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: January 25, 2005
    Assignee: Caterpillar Inc.
    Inventors: Daniel L. Mikrut, Charles J. Chappell, Ronald O. Groth, Eldon D. Oestmann, Noel J. Rytter
  • Overshot loader for autonomous operation
    Publication number: 20040105747
    Abstract: An overshot loader including a set of ground engaging members, a frame attached to the set of ground engaging members, and a linkage assembly movably connected to the frame and located within a longitudinal center portion of the frame.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 3, 2004
    Inventors: Daniel L. Mikrut, Charles J. Chappell, Ronald O. Groth, Eldon D. Oestmann, Noel J. Rytter
  • Rock cutting apparatus
    Publication number: 20020070601
    Abstract: A rock cutting assembly of the type mounted to a machine capable of exerting downward force includes a plurality of cutters. Each cutter is connected with one of a plurality of separate cylinders for distributing the downward force provided by the machine evenly to each of the cutters.
    Type: Application
    Filed: December 8, 2000
    Publication date: June 13, 2002
    Inventors: Ronald O. Groth, Brian D. Hoff, Todd A. Lohnes
  • Method for controllably loading haul vehicles by a mobile loading machine
    Patent number: 5848368
    Abstract: A method is disclosed for controllably loading a haul vehicle 110, with a payload material 115 desired by a customer, using a mobile loading machine 120. An identification tag 135, located on the haul vehicle 110, is read by an identification tag reader 140, located on the mobile loading machine 120. A haul vehicle identification signal is produced from the reading, and compared to customer data files 125. A load command signal, containing selected information from the customer data file 125 that corresponds with the haul vehicle identification signal, is produced.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: December 8, 1998
    Assignee: Caterpillar Inc.
    Inventors: William E. Allen, Ronald O. Groth