Patents by Inventor Glyn Clifford Price

Glyn Clifford Price 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).

  • Patent number: 7867138
    Abstract: A method of controlling a vehicle transmission, the vehicle transmission including a power shift gearbox, the power shift gearbox having a power shift input shaft, a power shift output shaft, power shift input gearing and power shift output gearing, and a plurality of power shift clutches to drivingly connect the power shift input gearing and the power shift output gearing, and a master clutch operable to connect the power shift input shaft to a prime mover, the method comprising the steps of, disengaging the master clutch, and engaging at least two of the power shift clutches.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: January 11, 2011
    Assignee: J.C. Bamford Excavators Limited
    Inventors: Leonard Earp, David Allan Wozencraft, Glyn Clifford Price
  • Patent number: 7713169
    Abstract: A method of controlling a vehicle transmission during a gear change thereof, the method comprising operating a plurality of power shift clutches to disengage the power shift input gearing and the power shift output gearing, disengaging the driving connection between the range shift input shaft and the range shift output shaft by means of the range selection gearing, engaging at least two of the power shift clutches to vary the rotational speed of the power shift output shaft and hence the range shift input shaft, and operating the range selection gearing to establish a driving connection between the range shift input shaft and the range shift output shaft.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: May 11, 2010
    Assignee: J.C. Bamford Excavators Limited
    Inventors: Leonard Earp, David Allan Wozencraft, Glyn Clifford Price
  • Publication number: 20090078070
    Abstract: A method of controlling a vehicle transmission, the vehicle transmission including a power shift gearbox, the power shift gearbox having a power shift input shaft, a power shift output shaft, power shift input gearing and power shift output gearing, and a plurality of power shift clutches to drivingly connect the power shift input gearing and the power shift output gearing, and a master clutch operable to connect the power shift input shaft to a prime mover, the method comprising the steps of, disengaging the master clutch, and engaging at least two of the power shift clutches.
    Type: Application
    Filed: October 3, 2007
    Publication date: March 26, 2009
    Applicant: J. C. BAMFORD EXCAVATORS LIMITED
    Inventors: Leonard EARP, David Allan Wozencraft, Glyn Clifford Price