Inventor
STAPEL WILHELM
6 patents
Patents
6 patentsUS4815404AMar 28, 1989
Servo device for a multineedle sewing machine with engageable and disengageable needle bars
DUERKOPPWERKE14 citations68
US4137858AFeb 6, 1979
Gripper and bobbin assembly for double-lock-stitch sewing machine
DUERKOPPWERKE8 citations68
US4074645AFeb 21, 1978
Controlled braking device for the gripper-thread bobbin of a double lock-stitch sewing machine
DUERKOPPWERKE8 citations68
US4981094AJan 1, 1991
Sewing machine having a device actuable by a pressure medium for applying a variable force to a presser element
DUERKOPPWERKE14 citations65
US4364319ADec 21, 1982
Controlled thread clamp device for needle threads
DUERKOPPWERKE18 citations65
US4998490AMar 12, 1991
Bobbin housing assembly in a sewing machine having at least one hook
DUERKOPPWERKE0 citations43