Patents by Inventor Aimee K. Greening

Aimee K. Greening 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: 6820695
    Abstract: A float apparatus for use in a casing string. The float apparatus includes an outer case having a check valve positioned therein. A body portion which may be comprised of high compressive strength cement affixes the check valve to the outer case. The check valve includes a valve body and a valve element. The valve body defines a valve seat and the valve element is deformable so that it will conform to the shape of the valve seat and seal against flow in the casing.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: November 23, 2004
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Michael D. Stevens, Earl D. Webb, Aimee K. Greening
  • Publication number: 20040007359
    Abstract: A float apparatus for use in a casing string. The float apparatus includes an outer case having a check valve positioned therein. A body portion which may be comprised of high compressive strength cement affixes the check valve to the outer case. The check valve includes a valve body and a valve element. The valve body defines a valve seat and the valve element is deformable so that it will conform to the shape of the valve seat and seal against flow in the casing.
    Type: Application
    Filed: July 11, 2002
    Publication date: January 15, 2004
    Inventors: Michael D. Stevens, Earl D. Webb, Aimee K. Greening