Patents by Inventor Karl-Heinz Lohmann

Karl-Heinz Lohmann 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).

  • Method for operating a sewing machine for joining a first part of a sewn article to a second part of a sewn article and integrating excess width at the same time
    Patent number: 6564734
    Abstract: In a method of operating a sewing machine for joining a jacket part (38) to a sleeve part (39), a sewing machine is employed, which has an operating and control unit. The desired stitch length and the length (la1 to ld1) of sections (a1 to d1) of the jacket part (38) and the length (la2 to ld2) of the sections (a2 to d2) of the sleeve part (39) that are allocated to the sections (a1 to d1) are fed into the operating and control unit. The required control pulses for the necessary feed drives are determined therefrom for each section (a1/a2 to d1/d2).
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: May 20, 2003
    Assignee: Durkopp ADLer Aktiengesellschaft
    Inventors: Arthur Picker, Karl-Heinz Lohmann, Ralf Kres