Patents by Inventor Michael R. Whitchurch

Michael R. Whitchurch 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: 20140237868
    Abstract: A load estimator is disclosed for use with a scraper. The load estimator may have a first sensor configured to generate a first signal indicative of a performance parameter of the scraper, a second sensor configured to generate a second signal indicative of a hydraulic pressure associated with a bowl of the scraper, and a controller in communication with the first and second sensors. The controller may be configured to classify a current segment of an ongoing work cycle based on the first signal. The controller may also be configured to selectively estimate a load of material contained with the bowl of the scraper based on the second signal only when the current segment is classified as a segment where the load can be reliably estimated.
    Type: Application
    Filed: February 28, 2013
    Publication date: August 28, 2014
    Applicant: CATERPILLAR INC.
    Inventors: Michael R. Whitchurch, Jeffrey E. Buettner, Jason S. Knowles, Robert K. Cannon