Patents by Inventor Ann T. Leger

Ann T. Leger 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).

  • High strength marine structures
    Patent number: 6852175
    Abstract: Marine structures are provided that are constructed from ultra-high strength, low alloy steels containing less than 2.5 wt % nickel and having a tensile strength greater than 900 MPa (130 ksi). A primary benefit is that the marine structures of this invention have a cost per unit strength substantially lower than that of currently available marine structures.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: February 8, 2005
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Clifford W. Petersen, Moses Minta, Ann T. Leger
  • High strength marine structures
    Publication number: 20030098098
    Abstract: Marine structures are provided that are constructed from ultra-high strength, low alloy steels containing less than 2.5 wt % nickel and having a tensile strength greater than 900 MPa (130 ksi). A primary benefit is that the marine structures of this invention have a cost per unit strength substantially lower than that of currently available marine structures.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 29, 2003
    Inventors: Clifford W. Petersen, Moses Minta, Ann T. Leger