Patents by Inventor Zbigniew Kaczkowski

Zbigniew Kaczkowski 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).

  • Magnetostrictive alloy
    Patent number: 4033791
    Abstract: The subject of the invention is an alloy of magnetostrictive and piezomagnetic properties suitable for the production of cores of ultrasonic transducers. The alloy according to the invention contains, besides iron, 5 to 15% Al, 0.5 to 10% Co and up to 3% of other additives.
    Type: Grant
    Filed: January 6, 1976
    Date of Patent: July 5, 1977
    Assignee: Polska Akademia Nauk, Instytut Fizyki
    Inventor: Zbigniew Kaczkowski