Patents by Inventor Jerry Hielkema

Jerry Hielkema 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: 10584796
    Abstract: The present invention relates to a valve assembly that includes a retaining ring disposed within a cavity formed by adjoining a retainer and a disk member. The retaining ring can be disposed at a slant with respect to an inner surface of the cavity.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: March 10, 2020
    Assignee: GE AViation systems, ILC
    Inventors: Jerry Hielkema, Matthew Lindsay, Scott Johnson, Roy Ott, Joseph Popham
  • Publication number: 20180038489
    Abstract: There is provided a valve assembly that includes a retaining ring disposed within a cavity formed by adjoining a retainer and a disk member. The retaining ring can be disposed at a slant with respect to an inner surface of the cavity.
    Type: Application
    Filed: August 2, 2016
    Publication date: February 8, 2018
    Inventors: Jerry Hielkema, Matthew Lindsay, Scott Johnson, Roy Ott, Joseph Popham
  • Publication number: 20110290055
    Abstract: Systems and methods for engagement and disengagement of gears are provided. In one embodiment, the invention relates to a gear engagement system including a first crown gear assembly including a first crown gear including first crown teeth including a non-magnetic material and a ring including a first magnetic material and coupled along a circumference of the first crown gear, a second crown gear including second crown teeth including a second magnetic material and configured to engage with the first crown teeth, and switching circuitry for selectively engaging and disengaging the first crown teeth and the second crown teeth.
    Type: Application
    Filed: May 26, 2010
    Publication date: December 1, 2011
    Inventors: Jerry Hielkema, Craig Legault