Patents by Inventor Wilhelm Tomasch

Wilhelm Tomasch 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 advancing an elongate element
    Patent number: 4157777
    Abstract: For the purpose of advancing a rod, wire or the like, particularly a welding filler wire from a magazine to a welding site, the apparatus of the invention comprises at least two tappets, reciprocated by a rotary swash plate, the tappets being arranged with their axes parallel to the axis of the wire or the like and each carrying a transverse member defined by an engagement element and a clamping element between which the wire or the like is clamped when the member moves in one direction (whereby the wire or the like is advanced in that direction) whilst the member on the other tappet, moving in the opposite direction, slides over the wire or the like without the latter being clamped between the engagement element and the clamping element of that other member.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: June 12, 1979
    Assignee: Zentralinstitut fur Schweisstechnik der DDR
    Inventor: Wilhelm Tomasch