Inventor
WALTHER KARL-HEINZ
DE9 patents
⚠️ This page may combine multiple inventors who share the name “WALTHER KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PFAFF IND MASCH
4 patentsUS4515098AMay 7, 1985
Device for driving a sewing machine
PFAFF IND MASCH8 citations72
US4467738AAug 28, 1984
Detachable drive for sewing machine trimming knife
PFAFF IND MASCH9 citations71
US4254725AMar 10, 1981
Thread-cutting device for sewing machines having a revolving looper
PFAFF IND MASCH6 citations61
US5299518AApr 5, 1994
Lower feed dog lifting, lowering, and horizontal coupling
PFAFF IND MASCH5 citations60
PFAFF AG G M
3 patentsUS5350127ASep 27, 1994
Process and device for monitoring the bobbin thread on stitch-forming machines
PFAFF AG G M19 citations79
US5267518ADec 7, 1993
Process and device for monitoring the bobbin thread on stitch-forming machines
PFAFF AG G M19 citations79
US5375546ADec 27, 1994
Shortening of needle thread end at the beginning and end of sewing in lockstitch sewing machines
PFAFF AG G M9 citations70
HEIDELBERGER DRUCKMASCH AG
2 patentsUS4449453AMay 22, 1984
Device for drying printed sheets on offset printing presses
HEIDELBERGER DRUCKMASCH AG20 citations77
US9573359B2Feb 21, 2017
Method and device for producing and transferring diffractive microstructures to a printing material and printing press having the device
HEIDELBERGER DRUCKMASCH AG1 citations46