Patents by Inventor Sven Karl Gustav Ekemar

Sven Karl Gustav Ekemar 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).

  • Composite body consisting of cemented carbide and cast alloy
    Patent number: 4119459
    Abstract: A metallic body in which great wear resistance is coupled with excellent mechanical strength and toughness is composed of sintered cemented carbide particles in a matrix of graphitic cast iron-base alloy, the content of carbon plus other constituents known to be equivalent to carbon in their influence on the cast iron amounts to 2.5 - 6.0%, preferably 3.5 - 5.0%.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: October 10, 1978
    Assignee: Sandvik Aktiebolag
    Inventors: Sven Karl Gustav Ekemar, Udo Karl Reinhold Fischer