Patents by Inventor Fridolin Wohlfarth

Fridolin Wohlfarth 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).

  • Welding device for welding a welding profile to a welding groove
    Patent number: 5505814
    Abstract: A welding device for welding a welding profile to an inner welding groove of a locking device, consisting of a first hollow profiled member inserted into a second hollow profile member, has a carriage with a housing whereby the carriage has a longitudinal axis and is movable in the longitudinal direction. A heating device is connected inside the housing. A pressing device for pressing the welding profile into the welding groove is connected inside the housing. The pressing device has a pressure-applying member. A clamping device for securing a lower flattened side of the welding profile is connected inside the housing. In the direction of supplying the welding profile the clamping device is arranged downstream of the heating device and the pressing device. The welding profile is guided from the heating device via the pressure-applying member to the clamping device.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: April 9, 1996
    Assignee: Ed. Zublin Aktiengesellschaft
    Inventors: Eberhard Glaser, Reiner Mock, Fridolin Wohlfarth, Heidrun Franz