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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →