Patents by Inventor Bruno Sonderegger

Bruno Sonderegger 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).

  • Patent number: 5061573
    Abstract: The metal strip which is made in the form of a foil has hard particles in the form of plenary deposits from a melt included in a metal matrix which has solidified in vitreous form and/or which is microcrystalline. At least 50% of the hard particles have a skeletal crystal shape with a length to width ratio of at least 5. The hard particles are securely adhered within the metal strip.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: October 29, 1991
    Assignee: Sulzer Brothers Limited
    Inventors: Hans-Walter Schlapfer, Bruno Sonderegger, Werner Straub