Patents by Inventor Granville Grayston

Granville Grayston 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).

  • Grinding surfaces of workpieces
    Patent number: 8062097
    Abstract: A method of grinding a workpiece with a grinding wheel is provided wherein the shape of the wheel is distorted in a predetermined manner during grinding by changing the speed of rotation of the wheel. This deformation of the wheel during grinding is employed to impart a desired shape to the surface of the workpiece. A grinding wheel is also provided which is asymmetric in side view to adapt it for use in accordance with the method.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: November 22, 2011
    Assignee: Cinetic Landis Limited
    Inventors: Stuart Clewes, Granville Grayston
  • Grinding Surfaces of Workpieces
    Publication number: 20100081365
    Abstract: A method of grinding a workpiece with a grinding wheel is provided wherein the shape of the wheel is distorted in a predetermined manner during grinding by changing the speed of rotation of the wheel. This deformation of the wheel during grinding is employed to impart a desired shape to the surface of the workpiece. A grinding wheel is also provided which is asymmetric in side view to adapt it for use in accordance with the method.
    Type: Application
    Filed: December 18, 2007
    Publication date: April 1, 2010
    Applicant: Cinetic Landis Limited
    Inventors: Stuart Clewes, Granville Grayston