Patents by Inventor Michael E. Lutheran

Michael E. Lutheran 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).

  • Powder metallurgy product and method for manufacturing the same
    Patent number: 6264718
    Abstract: A powder metallurgy product which is made from constituent including iron powder. The iron powder includes iron grains which contain machinability improving element in the iron grains. The machinability improving element is configured to improve machinability of the powder metallurgy product and has a pinning effect. An amount (Q) of the machinability improving element is adjusted such that an absolute value of a differential coefficient (dS/dQ) is at least a predetermined value, where (S) is a grain size of iron in the powder metallurgy product.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: July 24, 2001
    Assignees: Kobelco Metal Powder of America, Inc., Kobe Steel, Ltd.
    Inventors: Nobuaki Akagi, Shinya Kawai, Michael E. Lutheran, Masaaki Satoh, Hironori Suzuki