Patents by Inventor April Perry

April Perry 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).

  • Crankshaft thrust bearing and engine containing same
    Patent number: 9677612
    Abstract: Improved fluid supply grooves in the face of an axial thrust bearing for a crankshaft are disclosed. The grooves have a larger cross-sectional area at the outer radius of the bearing body than at the inner radius of the bearing body.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 13, 2017
    Assignee: Cummins Inc.
    Inventors: Richard Gustafson, April Perry
  • CRANKSHAFT THRUST BEARING AND ENGINE CONTAINING SAME
    Publication number: 20150252845
    Abstract: Improved fluid supply grooves in the face of an axial thrust bearing for a crankshaft are disclosed. The grooves have a larger cross-sectional area at the outer radius of the bearing body than at the inner radius of the bearing body.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 10, 2015
    Inventors: Richard Gustafson, April Perry