Patents by Inventor Kay Sichtermann

Kay Sichtermann 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 manufacturing a welding stud
    Patent number: 6875947
    Abstract: The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mounting portion and a welding portion. According to the invention, the wire is first pre-treated by hardening and tempering and is then cold-worked in such a way that the mounting portion and the welding portion have different strengths.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: April 5, 2005
    Assignee: Nelson Stud Welding, Inc.
    Inventors: Kay Sichtermann, Klaus E. Jost
  • Method of manufacturing a welding stud
    Publication number: 20030201254
    Abstract: The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mounting portion and a welding portion. According to the invention, the wire is first pre-treated by hardening and tempering and is then cold-worked in such a way that the mounting portion and the welding portion have different strengths.
    Type: Application
    Filed: June 2, 2003
    Publication date: October 30, 2003
    Inventors: Kay Sichtermann, Klaus E. Jost
  • Method of manufacturing a welding stud
    Patent number: 6596959
    Abstract: The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mounting portion and a welding portion. According to the invention, the wire is first pre-treated by hardening and tempering and is then cold-worked in such a way that the mounting portion and the welding portion have different strengths.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: July 22, 2003
    Assignee: Nelson Stud Welding, Inc.
    Inventors: Kay Sichtermann, Klaus E. Jost
  • Method of manufacturing a welding stud
    Publication number: 20020030037
    Abstract: The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mounting portion and a welding portion. According to the invention, the wire is first pre-treated by hardening and tempering and is then cold-worked in such a way that the mounting portion and the welding portion have different strengths.
    Type: Application
    Filed: March 21, 2001
    Publication date: March 14, 2002
    Inventors: Kay Sichtermann, Klaus E. Jost