Patents by Inventor Amy A. Griggs

Amy A. Griggs 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).

  • Rotating hanger
    Patent number: 9506329
    Abstract: A casing hanger assembly is provided. In one embodiment, a system includes a casing hanger and a landing shoulder for receiving the casing hanger and supporting the casing hanger within a wellhead. The casing hanger and the landing shoulder have complementary features that cooperate to inhibit rotation of the casing hanger with respect to the landing shoulder. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: November 29, 2016
    Assignee: Cameron International Corporation
    Inventors: Nolan Massey, Jay P. Painter, Jose R. Navar, Justin T. Clifton, Amy A. Griggs
  • ROTATING HANGER
    Publication number: 20150247387
    Abstract: A casing hanger assembly is provided. In one embodiment, a system includes a casing hanger and a landing shoulder for receiving the casing hanger and supporting the casing hanger within a wellhead. The casing hanger and the landing shoulder have complementary features that cooperate to inhibit rotation of the casing hanger with respect to the landing shoulder. Additional systems, devices, and methods are also disclosed.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 3, 2015
    Inventors: Nolan Massey, Jay P. Painter, Jose R. Navar, Justin T. Clifton, Amy A. Griggs