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Erich Willenbacher
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Karlsruhe, DE
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last 30 patents
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Patent Grant
Stitch-forming machine with a transducer and a control device
Patent number
5,237,944
Issue date
Aug 24, 1993
G. M. Pfaff Aktiengesellschaft
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Process and sewing machine for sewing together layers of fabric acc...
Patent number
5,103,749
Issue date
Apr 14, 1992
Pfaff Industriemaschinen GmbH
Heribert Geisselmann
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine with a thread monitor for the thread of the bobbin
Patent number
5,027,730
Issue date
Jul 2, 1991
Pfaff Industriemaschinen G.m.b.H.
Reinhold Dobner
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Device for separating, delivering and depositing blanks
Patent number
4,968,018
Issue date
Nov 6, 1990
Pfaff Industriemaschinen GmbH
Klaus Hoehne
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Sewing machine with thread monitor for the bobbin thread
Patent number
4,805,544
Issue date
Feb 21, 1989
Pfaff Industriemaschinen G.m.b.H.
Reinhold Dobner
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine
Patent number
D297541
Issue date
Sep 6, 1988
Pfaff Industriemaschinen
Horst Diener
D15 - Machines not elsewhere specified
Information
Patent Grant
Method and apparatus for sewing a waistband and applying it to a ga...
Patent number
4,739,718
Issue date
Apr 26, 1988
Pfaff Industriemaschinen G.m.b.H.
Ludwig Effinger
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Thread monitor for the bottom thread in the bobbin of a sewing machine
Patent number
4,732,098
Issue date
Mar 22, 1988
Pfaff Industriemaschinenen GmbH
Bernhard Mertel
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Guide device for the workpiece of a sewing machine
Patent number
4,681,051
Issue date
Jul 21, 1987
Pfaff Industriemaschinen G.m.b.H.
Otto Kirch
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine and method for controlling the motion of a workholder
Patent number
4,681,048
Issue date
Jul 21, 1987
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Positioning device for sewing machine main shaft
Patent number
4,677,926
Issue date
Jul 7, 1987
Pfaff Industrie Maschinen GmbH
Albert Dusch
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine housing construction
Patent number
4,677,924
Issue date
Jul 7, 1987
Pfaff Industriemaschinen G.m.b.H.
Horst Diener
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method and apparatus for determining the amount of advance of a plu...
Patent number
4,658,741
Issue date
Apr 21, 1987
Pfaff Industriemaschinen G.m.b.H.
Fritz Jehle
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine for automatically making edge-parallel seams
Patent number
4,589,363
Issue date
May 20, 1986
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine having the needle holder magazine with automatic cou...
Patent number
4,561,368
Issue date
Dec 31, 1985
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Sewing machine having the needle holder magazine with automatic cou...
Patent number
4,546,712
Issue date
Oct 15, 1985
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Sewing machine material guiding device
Patent number
4,526,117
Issue date
Jul 2, 1985
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Thread changing mechanism for sewing machines
Patent number
4,524,703
Issue date
Jun 25, 1985
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine equipped for producing shaped seams
Patent number
4,495,877
Issue date
Jan 29, 1985
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine for producing curved edge parallel seams
Patent number
4,423,690
Issue date
Jan 3, 1984
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Device for sewing workpiece plies together in contour alignment
Patent number
4,376,415
Issue date
Mar 15, 1983
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine with work guiding device
Patent number
4,340,001
Issue date
Jul 20, 1982
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Device for the automatic guiding of a workpiece on a sewing machine
Patent number
4,296,700
Issue date
Oct 27, 1981
Pfaff Industriemaschinen G.m.b.H.
Fritz Jehle
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Guiding device for sewing material
Patent number
4,195,830
Issue date
Apr 1, 1980
Pfaff Industriemaschinen G.m.b.H.
Hans W. Lux
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Guiding device for sewing material
Patent number
4,140,068
Issue date
Feb 20, 1979
Pfaff Industriemaschinen G.m.b.H.
Hans W. Lux
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine having a guiding device for the production of edge-p...
Patent number
4,126,097
Issue date
Nov 21, 1978
Pfaff Industriemaschinen G.m.b.H.
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine with a workpiece guide mechanism
Patent number
4,114,546
Issue date
Sep 19, 1978
Pfaff Industriemaschinen GmbH
Otto Kirch
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Auxiliary sewing machine support table for use with a sewing machin...
Patent number
4,112,859
Issue date
Sep 12, 1978
Pfaff Industriemaschinen GmbH
Erich Willenbacher
D05 - SEWING EMBROIDERING TUFTING