Patents by Inventor Franz Grabatsch

Franz Grabatsch 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: 4445318
    Abstract: Method of producing a knot-free thread connection by splicing, which includes mixing, alternately interlocking and anchoring individual fibers of the threads to be joined to each other in a first pre-splicing operation, and subsequently further and finally intertwining and anchoring the threads to each other in a separate finish-splicing operation, and an apparatus for carrying out the method.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: May 1, 1984
    Assignee: W. Schlafhorst & Co.
    Inventors: Rolf Becker, Josef Bertrams, Franz Grabatsch, Gregor Kathke, Wolfgang Kiesewetter, Herbert Knors, Jakob Leven, Erich Quack, Klaus Rautenberg, Joachim Rohner, Klaus Rosen, Gunter Wilms, Heinz Zumfeld
  • Patent number: 4419860
    Abstract: Splicing device for producing a knot-free thread connection by splicing, including a splicing head having a longitudinal groove formed therein for the insertion of threads to be joined together, the splicing head having a plurality of cross grooves formed in the longitudinal groove and the splicing head having compressed air supply holes formed therein, at least two of the cross grooves having at least one compressed air supply hole terminating therein.
    Type: Grant
    Filed: April 14, 1982
    Date of Patent: December 13, 1983
    Assignee: W. Schlafhorst & Co.
    Inventors: Rolf Becker, Josef Bertrams, Franz Grabatsch, Gregor Kathke, Wolfgang Kiesewetter, Herbert Knors, Jakob Leven, Erich Quack, Klaus Rautenberg, Joachim Rohner, Klaus Rosen, Gunter Wilms, Heinz Zumfeld