Assignee
PFAFF IND MASCH
DE·183 granted patents·1 pending application·2,024 citations·filing 1974–2004
Top patents by PatentIndex Score
184 records- 0197US4077340ASewing machine having workpiece prepuncturing devicePFAFF IND MASCH·Filed 1976·Granted Mar 7, 1978·42 cites·11 claims
- 0296US4612867AMethod and apparatus for the pattern-correct sewing together of cloth partsPFAFF IND MASCH·Filed 1984·Granted Sep 23, 1986·42 cites·15 claims
- 0396US4569297ANeedle bar detachable drive and stroke adjusting mechanismPFAFF IND MASCH·Filed 1984·Granted Feb 11, 1986·39 cites·8 claims
- 0496US4495877ASewing machine equipped for producing shaped seamsPFAFF IND MASCH·Filed 1983·Granted Jan 29, 1985·31 cites·11 claims
- 0595US4686917AMaterial thickness sensing device for sewing machinesPFAFF IND MASCH·Filed 1986·Granted Aug 18, 1987·32 cites·6 claims
- 0694US4367891AIndustrial robot with a gripping mechanismPFAFF IND MASCH·Filed 1979·Granted Jan 11, 1983·113 cites·4 claims
- 0793US4467739ASeamed material edge guide for a sewing machinePFAFF IND MASCH·Filed 1982·Granted Aug 28, 1984·26 cites·5 claims
- 0892US4658741AMethod and apparatus for determining the amount of advance of a plurality of material pliesPFAFF IND MASCH·Filed 1986·Granted Apr 21, 1987·55 cites·19 claims
- 0989US5199365ASewing machine thread monitoring systemPFAFF IND MASCH·Filed 1989·Granted Apr 6, 1993·19 cites·15 claims
- 1089US5018465ASewing machine with thread monitorPFAFF IND MASCH·Filed 1988·Granted May 28, 1991·22 cites·13 claims
- 1189US4726309ASewing machine with differential feedPFAFF IND MASCH·Filed 1986·Granted Feb 23, 1988·36 cites·6 claims
- 1289US4157825ADevice for separating single textile workpieces from a stackPFAFF IND MASCH·Filed 1977·Granted Jun 12, 1979·27 cites·11 claims
- 1389US3954071ASewing machine having top and bottom feed synchronizing meansPFAFF IND MASCH·Filed 1974·Granted May 4, 1976·34 cites·6 claims
- 1488US4693196AApparatus for monitoring shuttle thread supply of a sewing machinePFAFF IND MASCH·Filed 1985·Granted Sep 15, 1987·17 cites·5 claims
- 1588US4589362AThread cutting device in lockstitch sewing machinesPFAFF IND MASCH·Filed 1983·Granted May 20, 1986·17 cites·17 claims
- 1688US4455957AThread cutter for a zig-zag sewing machinePFAFF IND MASCH·Filed 1982·Granted Jun 26, 1984·18 cites·8 claims
- 1788US4152995ASewing machine having a driven feed rollerPFAFF IND MASCH·Filed 1978·Granted May 8, 1979·17 cites·6 claims
- 1887US4491080ASewing machine with equipment for producing corner seamsPFAFF IND MASCH·Filed 1982·Granted Jan 1, 1985·16 cites·18 claims
- 1986US4648337AWork edge guiding device for sewing machinePFAFF IND MASCH·Filed 1986·Granted Mar 10, 1987·19 cites·10 claims
- 2085US5103749AProcess and sewing machine for sewing together layers of fabric according to a patternPFAFF IND MASCH·Filed 1989·Granted Apr 14, 1992·17 cites·7 claims
- 2185US5095834ASewing machine with swingable stitch forming unitPFAFF IND MASCH·Filed 1989·Granted Mar 17, 1992·15 cites·5 claims
- 2285US4805544ASewing machine with thread monitor for the bobbin threadPFAFF IND MASCH·Filed 1988·Granted Feb 21, 1989·16 cites·13 claims
- 2385US4660481ASewing machine having presser foot pressure force measuring devicePFAFF IND MASCH·Filed 1986·Granted Apr 28, 1987·19 cites·3 claims
- 2485US4034689ADevice for manufacturing braided openings in cuts of articles of clothingPFAFF IND MASCH·Filed 1976·Granted Jul 12, 1977·17 cites·10 claims
- 2584US4088085ASewing device for producing form seamsPFAFF IND MASCH·Filed 1977·Granted May 9, 1978·13 cites·4 claims
- 2683US4660486ADevice for forming a doubly turned hemPFAFF IND MASCH·Filed 1986·Granted Apr 28, 1987·15 cites·9 claims
- 2783US4528923ASewing machine having a system for approaching a predetermined end point of a seamPFAFF IND MASCH·Filed 1984·Granted Jul 16, 1985·13 cites·6 claims
- 2883US4384540ASewing machine having a cutting devicePFAFF IND MASCH·Filed 1981·Granted May 24, 1983·14 cites·2 claims
- 2982US4461229ADevice for pulling out and cutting off threads in a sewing machinePFAFF IND MASCH·Filed 1982·Granted Jul 24, 1984·16 cites·6 claims
- 3082US4422398ATop feed device for a sewing machinePFAFF IND MASCH·Filed 1981·Granted Dec 27, 1983·14 cites·5 claims
- 3182US4400124ADevice for handling stacks of flexible objectsPFAFF IND MASCH·Filed 1981·Granted Aug 23, 1983·30 cites·9 claims
- 3282US3970018AWork feeding mechanism for sewing machinesPFAFF IND MASCH·Filed 1975·Granted Jul 20, 1976·13 cites·7 claims
- 3380US4716846ASewing machine with workpiece holder for securing initial seam stitchesPFAFF IND MASCH·Filed 1986·Granted Jan 5, 1988·13 cites·10 claims
- 3480US4098208ASewing machine having a device for initiating the movement of the thread catcher of a thread cutting devicePFAFF IND MASCH·Filed 1977·Granted Jul 4, 1978·22 cites·5 claims
- 3579US4722290ASewing machine with a workpiece alignment devicePFAFF IND MASCH·Filed 1987·Granted Feb 2, 1988·14 cites·12 claims
- 3679US4605578AMethod and apparatus for connecting together material plies which are unilaterally thermoplastically coatedPFAFF IND MASCH·Filed 1984·Granted Aug 12, 1986·40 cites·4 claims
- 3778US6564733B2Device for monitoring the bobbin thread on double thread lockstitch sewing machinesPFAFF IND MASCH·Filed 2002·Granted May 20, 2003·14 cites·12 claims
- 3878US5078068AProcess and apparatus for preparing a seamPFAFF IND MASCH·Filed 1989·Granted Jan 7, 1992·12 cites·3 claims
- 3978US4739718AMethod and apparatus for sewing a waistband and applying it to a garmentPFAFF IND MASCH·Filed 1987·Granted Apr 26, 1988·17 cites·13 claims
- 4078US4508043APresser foot device on a sewing machinePFAFF IND MASCH·Filed 1983·Granted Apr 2, 1985·12 cites·8 claims
- 4177US4737212AMethod for connecting together material plies which are unilaterally thermoplastically coatedPFAFF IND MASCH·Filed 1984·Granted Apr 12, 1988·37 cites·8 claims
- 4277US4423690ASewing machine for producing curved edge parallel seamsPFAFF IND MASCH·Filed 1981·Granted Jan 3, 1984·11 cites·12 claims
- 4376US4974534ADouble chain stitch sewing machine having a looper and a looper thread spreaderPFAFF IND MASCH·Filed 1988·Granted Dec 4, 1990·18 cites·3 claims
- 4476US4732098AThread monitor for the bottom thread in the bobbin of a sewing machinePFAFF IND MASCH·Filed 1986·Granted Mar 22, 1988·11 cites·2 claims
- 4575US4502400ASewing machine with a trimming devicePFAFF IND MASCH·Filed 1982·Granted Mar 5, 1985·10 cites·5 claims
- 4675US3983825AMethod and apparatus for effecting the sewing of a pocket stitchPFAFF IND MASCH·Filed 1975·Granted Oct 5, 1976·10 cites·7 claims
- 4774US5129171AInflatable or twistable tubes for embroidery hoop fabric tensioningPFAFF IND MASCH·Filed 1989·Granted Jul 14, 1992·19 cites·24 claims
- 4873US4744855AWelding machine for foil websPFAFF IND MASCH·Filed 1986·Granted May 17, 1988·37 cites·23 claims
- 4972US5124606ADual rotor with continuous/positioning reverse controlsPFAFF IND MASCH·Filed 1988·Granted Jun 23, 1992·46 cites·11 claims
- 5072US4350105ASewing machine with a device for lubricating the looperPFAFF IND MASCH·Filed 1980·Granted Sep 21, 1982·11 cites·8 claims
Showing the top 50 of 184 patent records by PatentIndex Score.
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