Patents by Inventor Derek W J CLARKE

Derek W J CLARKE 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).

  • MALE OR FEMALE ELEMENT FOR A CONIC COUPLING
    Publication number: 20110103887
    Abstract: A male or female element (12, 2) for a conic coupling, the element comprising: an end surface (16, 6) and two angled side surfaces (18, 8) disposed either side of the end surface (16, 6); wherein a coating is applied to at least one of the side surfaces, the coating having a varying coefficient of friction across the surface.
    Type: Application
    Filed: October 20, 2010
    Publication date: May 5, 2011
    Applicant: ROLLS-ROYCE PLC
    Inventor: Derek W. J. CLARKE
  • MALE OR FEMALE ELEMENT FOR A CONIC COUPLING
    Publication number: 20110103886
    Abstract: A male or female element (12, 2) for a conic coupling, the element comprising: an end surface (16, 6) and two angled side surfaces (18, 8) disposed either side of the end surface (16, 6); wherein at least one of the side surfaces (18, 8) has a non-planar profile.
    Type: Application
    Filed: October 20, 2010
    Publication date: May 5, 2011
    Applicant: ROLLS-ROYCE PLC
    Inventor: Derek W J CLARKE