Patents by Inventor Zan Svendsen

Zan Svendsen 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: 7717199
    Abstract: Cutting elements and bits incorporating such cutting elements. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface including a land surrounded by spaced-apart lands extending to a periphery of the substrate.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: May 18, 2010
    Assignee: Smith International, Inc.
    Inventors: Zan Svendsen, Yuelin Shen, Youhe Zhang
  • Publication number: 20080019786
    Abstract: Cutting elements and bits incorporating such cutting elements are provided. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface including a land surrounded by spaced-apart lands extending to a periphery of the substrate.
    Type: Application
    Filed: September 20, 2007
    Publication date: January 24, 2008
    Inventors: Zan Svendsen, Yuelin Shen, Youhe Zhang
  • Patent number: 7287610
    Abstract: Cutting elements and bits incorporating such cutting elements are provided. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface. A plurality of depressions are formed on the lands.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: October 30, 2007
    Assignee: Smith International, Inc.
    Inventors: Zan Svendsen, Yuelin Shen, Youhe Zhang
  • Publication number: 20060065447
    Abstract: Cutting elements and bits incorporating such cutting elements are provided. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface. A plurality of depressions are formed on the lands.
    Type: Application
    Filed: September 29, 2004
    Publication date: March 30, 2006
    Inventors: Zan Svendsen, Yuelin Shen, Youhe Zhang