Patents by Inventor Christopher A. Wahlmark

Christopher A. Wahlmark 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).

  • System and method for maintaining a cross-slope angle of a motor grader blade
    Patent number: 9085877
    Abstract: A blade control system for a machine. The blade control system includes an input device configured to actuate a first actuator associated with a first blade end in response to a manual command signal triggered by the input device. Further, a controller configured to receive the manual command signal indicative of the trigger initiated by the input device and actuate a second actuator associated with a second blade end with substantially same velocity as of the first actuator in response to the manual command signal.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: July 21, 2015
    Assignee: Caterpillar Inc.
    Inventors: Christopher A. Wahlmark, Christopher A. Padilla
  • SYSTEM AND METHOD FOR MAINTAINING A CROSS-SLOPE ANGLE OF A MOTOR GRADER BLADE
    Publication number: 20140041883
    Abstract: The disclosure describes a blade control system for a machine. The blade control system includes an input device configured to actuate a first actuator associated with a first blade end in response to a manual command signal triggered by the input device. Further, a controller configured to receive the manual command signal indicative of the trigger initiated by the input device and actuate a second actuator associated with a second blade end with substantially same velocity as of the first actuator in response to the manual command signal.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 13, 2014
    Applicant: Caterpillar Inc.
    Inventors: Christopher A. Wahlmark, Christopher A. Padilla
  • TOOL CONTROL SYSTEM HAVING CONFIGURATION DETECTION
    Publication number: 20120055051
    Abstract: A tool control system for a scraper is disclosed. The tool control system may have a tool, a first tool actuator configured to move the tool, and a first sensor configured to detect a position parameter of at least one of the tool and the first tool actuator and to generate a corresponding first signal. The tool control system may also have a tool member operatively connected to the tool, a second tool actuator connectable to the tool member in a plurality of configurations to move the tool member, and a second sensor configured to detect a position parameter of at least one of the tool member and the second tool actuator and to generate a corresponding second signal. The tool control system may further have a controller configured to make a comparison of the first and second signals, and to determine a current connection configuration based on the comparison.
    Type: Application
    Filed: April 22, 2011
    Publication date: March 8, 2012
    Inventors: Eric N. Polston, Keith R. Kosowski, Ryan A. Kingdon, Ramona D. Cone, Yan Ma, Christopher A. Wahlmark, Donna K. Laube, Ashok Krishnan, Benjamin D. Drake, Ang Qian, Steven R. Krause
  • TOOL CONTROL SYSTEM HAVING CONFIGURATION DETECTION
    Publication number: 20120059553
    Abstract: A tool control system for a scraper is disclosed. The tool control system may have a tool, a first tool actuator configured to move the tool, and a first sensor configured to detect a position parameter of at least one of the tool and the first tool actuator and to generate a corresponding first signal. The tool control system may also have a tool member operatively connected to the tool, a second tool actuator connectable to the tool member in a plurality of configurations to move the tool member, and a second sensor configured to detect a position parameter of at least one of the tool member and the second tool actuator and to generate a corresponding second signal. The tool control system may further have a controller configured to make a comparison of the first and second signals, and to determine a current connection configuration based on the comparison.
    Type: Application
    Filed: September 2, 2010
    Publication date: March 8, 2012
    Inventors: Eric N. Polston, Keith R. Kosowski, Ryan A. Kingdon, Romona D. Cone, Yan Bai Ma, Christopher A. Wahlmark, Donna K. Laube, Ashok Krishnan, Benjamin D. Drake, Ang Qian, Steven R. Krause