Karl-Heinz Walther

Person

Weilerback, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Shortening of needle thread end at the beginning and end of sewing...
- Patent number 5,375,546
- Issue date Dec 27, 1994
- G. M. Pfaff Aktiengesellschaft
- Edgar Butzen
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Process and device for monitoring the bobbin thread on stitch-formi...
- Patent number 5,350,127
- Issue date Sep 27, 1994
- G.M. Aktiengesellschaft
- Kurt Arnold
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Lower feed dog lifting, lowering, and horizontal coupling
- Patent number 5,299,518
- Issue date Apr 5, 1994
- Pfaff Industriemaschinen GmbH
- Albert Dusch
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Process and device for monitoring the bobbin thread on stitch-formi...
- Patent number 5,267,518
- Issue date Dec 7, 1993
- G. M. Pfaff Aktiengesellschaft
- Kurt Arnold
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Device for driving a sewing machine
- Patent number 4,515,098
- Issue date May 7, 1985
- Pfaff Industriemaschinen G.m.b.H.
- Karl-Heinz Walther
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with a trimming device
- Patent number 4,502,400
- Issue date Mar 5, 1985
- Pfaff Industriemaschinen G.m.b.H.
- Karl H. Walther
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Detachable drive for sewing machine trimming knife
- Patent number 4,467,738
- Issue date Aug 28, 1984
- Pfaff Industriemaschinen G.m.b.H.
- Karl-Heinz Walther
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine having a cutting device
- Patent number 4,384,540
- Issue date May 24, 1983
- Pfaff Industriemaschinen G.m.b.H.
- Kurt Vollmar
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread-cutting device for sewing machines having a revolving looper
- Patent number 4,254,725
- Issue date Mar 10, 1981
- Pfaff Industriemaschinen G.m.b.H.
- Walter Hager
- D05 - SEWING EMBROIDERING TUFTING

Karl-Heinz Walther

Person

Patents Grantslast 30 patents

Shortening of needle thread end at the beginning and end of sewing...

Process and device for monitoring the bobbin thread on stitch-formi...

Lower feed dog lifting, lowering, and horizontal coupling

Process and device for monitoring the bobbin thread on stitch-formi...

Device for driving a sewing machine

Sewing machine with a trimming device

Detachable drive for sewing machine trimming knife

Sewing machine having a cutting device

Thread-cutting device for sewing machines having a revolving looper