G.M. PFAFF AKTIENGESELLSCHAFT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D05B SEWING 814
 
  
 
B61F RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6390002 Sewing unit for sewing folded or pre-folded pocketsJun 11, 01May 21, 02[D05B]
6178904 Process and sewing unit for working in extra width in a fabric layerMar 20, 00Jan 30, 01[D05B]
5970896 Process and sewing unit for sewing a flap and a pocket on a fabric partDec 17, 98Oct 26, 99[D05B]
5967070 Process for shortening a fabric-side hook thread end in sewing machines with thread cutting deviceSep 10, 98Oct 19, 99[D05B]
5934213 Process for accurately determining the zero point of the needle of the sewing machine of an automatic sewing unitMar 24, 98Aug 10, 99[D05B]
5680819 Vehicle combination with at least two vehicles with steered single-wheelset chassisJul 23, 93Oct 28, 97[B61F]
5400728 Sewing unit with a feed deviceSep 28, 93Mar 28, 95[D05B]
5307749 Process for determining the coordinate values for sewing patternsOct 27, 92May 03, 94[D05B]
5237944 Stitch-forming machine with a transducer and a control deviceJun 25, 91Aug 24, 93[D05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6776112 Sewing machine comprising a device for steering towards the end of a seamExpiredJun 02, 03Aug 17, 04[D05B]
6527403 Sewing machine with a light barrierExpiredApr 18, 01Mar 04, 03[D05B]
6450110 Sewing machine with speed-dependent stitch correctionExpiredApr 19, 01Sep 17, 02[D05B]
6401642 Method and device for folding round pocketsExpiredJun 15, 01Jun 11, 02[D05B]
6129809 Heat-sealing machineExpiredDec 16, 98Oct 10, 00[B29C]
5964170 Sewing machine with thread-cutting deviceExpiredMay 11, 98Oct 12, 99[D05B]
5931108 Process and automatic sewing machine for sewing a flap with a rough closing edge and a pocket on a fabric part in one operationExpiredFeb 11, 98Aug 03, 99[D05B]
5881662 Sewing or embroidering machineExpiredMar 25, 98Mar 16, 99[D05B]
5873965 Process and device for carrying out a welding process on thermoplastic material websExpiredSep 10, 93Feb 23, 99[B32B]
5809920 Folding device for an automatic sewing machineExpiredOct 20, 97Sep 22, 98[D05B]
5771828 Sewing or embroidering machine with a thread-cutting deviceExpiredApr 17, 97Jun 30, 98[D05B]
5730076 Adjusting device for a folding rail on a sewing machineExpiredAug 28, 96Mar 24, 98[D05B]
5662055 Program-controlled sewing or emboidery machine and method of operating such machinesExpiredJan 17, 96Sep 02, 97[D05C, D05B]
5651324 Process and device for recognizing a residual amount of the hook thread in a sewing machineExpiredMar 22, 96Jul 29, 97[D05B]
5546876 Sewing unit with a fabric holder displaceable relative to a thread-guiding needle and with a fabric presser foot with an asymetrically widened openingExpiredMay 15, 95Aug 20, 96[D05C, D05B]
5402015 Cable connection between a PC and a sewing machineExpiredOct 27, 92Mar 28, 95[H03K]
5375546 Shortening of needle thread end at the beginning and end of sewing in lockstitch sewing machinesExpiredApr 30, 93Dec 27, 94[D05B]
5271345 Device for optically scanning the material being sewn in a sewing machineExpiredJan 17, 92Dec 21, 93[D05B]
5267518 Process and device for monitoring the bobbin thread on stitch-forming machinesExpiredMay 21, 92Dec 07, 93[D05B]
5264069 Device for joining a two-dimensional compound workpieceExpiredApr 29, 91Nov 23, 93[B32B]

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