Patents by Inventor Jan Tengzelius

Jan Tengzelius 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).

  • Material for the powder metallurgical manufacture of soft magnetic components
    Patent number: 4585480
    Abstract: The aforementioned invention comprises an iron based powder mixture with up to 8% silicon, addition of which is in the form of ferrosilicon with a silicon content of approximately 50% and a particle size mainly less than 150 .mu.m.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: April 29, 1986
    Assignee: Hoganas AB
    Inventors: Jan Tengzelius, Sten-Ake Kvist, Patricia Jansson