Patents by Inventor Jens Metz

Jens Metz 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).

  • Patent number: 5440097
    Abstract: A welding speed-dependent voltage (11) is added to a variable fixed voltage (13), to control the welding current as a function of welding speed in DC arc welding equipment, for the continuous welding of longitudinal seams of tube-shaped metal bands. In addition, the sum (15) of speed-dependent voltage (11) and variable fixed voltage (13) is superimposed by a pulsed DC voltage by a summing amplifier (28).
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: August 8, 1995
    Assignee: Kabelmetal electro GmbH
    Inventors: Wolfram Klebl, Jens Metz