Patents by Inventor Sven-Herman Wallin

Sven-Herman Wallin 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).

  • Grinding machine
    Patent number: 4001980
    Abstract: The grinding machine of the invention uses a grinding wheel, and is primarily intended for descaling and cleaning billets before being rolled. An instrument for measuring, for instance, electromagnetic radiation is directed to the flow of matter and energy from the contact zone between the grinding wheel and a workpiece. Continuous measurement is performed and an output signal from the instrument is used for changing grinding data of the grinding machine to restore conditions in the flow of matter and energy from the contact zone.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: January 11, 1977
    Assignee: Ambar Investment Inc.
    Inventor: Sven-Herman Wallin