Patents by Inventor Henrik V. Hendriksen

Henrik V. Hendriksen 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).

  • Nozzle for drawing off welding fumes
    Patent number: 4141285
    Abstract: A nozzle assembly for drawing off welding fumes at a welding site. The assembly comprises an elongate tubular element having a longitudinal slot defined between two inwardly directed flanges, the tubular element being capable of axial telescopic extension in at least one direction. The tubular element is connected to a tube which leads in use to a suction fan for drawing off the fumes through the slot. The connection of the tube to the tubular element can be made opposite the slot or at one end of the element. The assembly includes means for closing the other end or ends of the element.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 27, 1979
    Inventor: Henrik V. Hendriksen