Patents by Inventor Malgorzata Machnicka

Malgorzata Machnicka 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).

  • Method of producing coatings of copper alloy on ferrous alloys
    Patent number: 4142011
    Abstract: A method of producing coatings of copper alloys in hot-dip process on workpieces made of ferrous alloys comprising dipping the workpieces to be coated into baths of molten alloys of Cu with Si, Sn, Al, P, In, Ca, Be, having a temperature within the range of 700.degree.-1100.degree. C., with a single-stage or a two-stage movement, the workpieces then being held in the bath for from 15 seconds to 60 minutes and taken out of the bath and cooled at any desirable rate.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: February 27, 1979
    Assignee: Politechnika Slaska im. Wincentego Pstrowskiego
    Inventors: Adam Gierek, Lech Bajka, Malgorzata Machnicka