Patents by Inventor Helmut Krafzick

Helmut Krafzick 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).

  • Apparatus for lettering or marking articles by means of a laser beam
    Patent number: 6678094
    Abstract: An apparatus for lettering or marking articles by means of a laser beam, comprising a laser to produce a laser beam and a focussing optical system to produce a larger radiation density on the surface of the article wherein a lens system is provided the focussing plane of which constitutes an area which is curved away from the lens system.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: January 13, 2004
    Assignee: Sator Laser GmbH
    Inventors: Alexander P. Sator, Walter Czarnetzki, Helmut Krafzick
  • Apparatus for lettering or marking articles by means of a laser beam
    Publication number: 20020097499
    Abstract: An apparatus for lettering or marking articles by means of a laser beam, comprising a laser to produce a laser beam and a focussing optical system to produce a larger radiation density on the surface of the article wherein a lens system is provided the focussing plane of which constitutes an area which is curved away from the lens system.
    Type: Application
    Filed: January 22, 2002
    Publication date: July 25, 2002
    Inventors: Alexander P. Sator, Walter Czarnetzki, Helmut Krafzick