Patents by Inventor Erik Kihlberg

Erik Kihlberg 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 and apparatus for determinig position and width of metallic material using a pulsed electromagnetic technique
    Patent number: 5270646
    Abstract: Edge position determination of metallic materials by means of evaluation of the voltages which are induced in coils located at the edges of the material below the material and partially covered by the material as well as coils located inside of the first-mentioned coils in the transverse direction of the material, which latter coils are completely covered by the material in connection with a decaying magnetic field which is generated by the same coils.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: December 14, 1993
    Assignee: Asea Brown Boveri AB
    Inventors: Erik Kihlberg, Sten Linder, Lennart Thegel