Patents by Inventor Ray Cracknell

Ray Cracknell 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: 20020040570
    Abstract: A hydraulic power transmission comprising a first circuit comprising a plurality of hydraulic motors in series, a second circuit comprising at least one hydraulic motor, the first and second circuits being arranged in parallel with each other to receive hydraulic fluid under pressure from a common source, a hydraulic motor of the first circuit and a hydraulic motor of the second circuit being arranged together to drive a common driven element.
    Type: Application
    Filed: August 31, 2001
    Publication date: April 11, 2002
    Inventors: Alan Walker, Ray Cracknell