Patents by Inventor Goran Anders Wallner

Goran Anders Wallner 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 rolling metal blanks
    Patent number: 4007617
    Abstract: Rod or wire shaped material is produced by substantial reduction of the cross-sectional area of a metal blank in each of two types of alternating, sequentially arranged rolling passes, each of one type of pass being effected by flat-rolling the blank in at least one pair of rolls having substantially smooth roll barrels, and each of the other type of pass being effected by upset-rolling the blank in at least one pair of rolls having grooves which exhibit a rounded groove bottom.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: February 15, 1977
    Assignee: AB Metalform
    Inventors: Curt Gunnar Falk, Per-Olof Strandell, Per Erik Albrecht, Goran Anders Wallner