Patents by Inventor Ryan Greenfield

Ryan Greenfield 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).

  • INTEGRATED OUTER RING WIND ROTOR BEARING
    Publication number: 20260328244
    Abstract: A bearing assembly for supporting a main shaft of a wind turbine, the wind turbine having at least a blade rotor, a main shaft and a gearbox supported in a nacelle. The bearing assembly includes a housing, at least two bearing raceways formed on a radially inner circumferential surface of the housing, an inner ring, and first and second rows of rolling elements supported by a cage between the inner ring and the inner circumferential surface of the housing.
    Type: Application
    Filed: April 16, 2025
    Publication date: October 22, 2026
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Ryan Greenfield, Fabricius Viana Maia
  • Roller bearing for wind turbines
    Patent number: 9046128
    Abstract: A self aligning bearing assembly comprising an inner ring and an outer ring, and two rows of rolling elements of equal length arranged at different contact angles, for supporting a main shaft of a wind turbine.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: June 2, 2015
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Antonio Silverio, Ryan Greenfield
  • ROLLER BEARING FOR WIND TURBINES
    Publication number: 20140112607
    Abstract: A self aligning bearing assembly comprising an inner ring and an outer ring, and two rows of rolling elements of equal length arranged at different contact angles, for supporting a main shaft of a wind turbine.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 24, 2014
    Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Antonio Silverio, Ryan Greenfield
  • ROLLER BEARING FOR WIND TURBINES
    Publication number: 20140112606
    Abstract: A self aligning bearing assembly comprising a split inner ring and a split outer ring, and two rows of rolling elements arranged at different contact angles, for supporting a main shaft of a wind turbine.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 24, 2014
    Inventors: Ryan Greenfield, Martin O'Shea, Antonio Silverio, Daniel M. Brake, Martin E. Lohan, Gregory John Smith