Patents
Patents for D05B 51 - Applications of needle-thread guards in sewing machines; Thread-break detectors for sewing machines (345)
12/2000
12/19/2000US6163733 Monitor and malfunction predictor for textile machines
10/2000
10/18/2000CN2401574Y Wire feeding regulator for domestic sewing machine
10/18/2000CN1057577C Suspension arm protector for sewing machine
10/12/2000WO2000060506A1 Monitor and malfunction predictor for textile machines
09/2000
09/27/2000CN2398298Y Automatic monitoring unit for thread broken
12/1998
12/01/1998US5842432 Thread consumption detecting apparatus for a sewing machine
05/1998
05/05/1998US5746145 Stitch quality monitoring system for sewing machines
01/1998
01/02/1998DE19624254A1 Bobbin thread break stop-motion for lock-stitch machines
12/1997
12/17/1997EP0608267B1 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine
12/03/1997EP0809727A1 Improvements in or relating to tufting machines
09/1997
09/02/1997US5662054 Yarn fault detection for tufting machines
08/1997
08/12/1997US5655471 Thread take-up lever guard in sewing machine
07/1997
07/15/1997US5647291 Catch thread device for sewing machines
06/1997
06/11/1997CN1151453A Component wire guiding device of button holding machine
04/1997
04/02/1997CN1146510A Suspension arm protector for sewing machine
03/1997
03/27/1997DE19620910A1 Thread lever guide of multi-head sewing machine avoiding entanglement
08/1996
08/22/1996WO1996025544A1 Improvements in or relating to tufting machines
07/1996
07/17/1996CN2231267Y Seaming detector
03/1996
03/19/1996US5499590 Thread guide holder device for sewing machine
11/1995
11/14/1995US5465674 Overedge stitch sewing device
01/1995
01/24/1995US5383417 Needle thread stitch formation monitor
12/1994
12/14/1994EP0608267A4 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine.
08/1994
08/03/1994EP0608267A1 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine
03/1994
03/09/1994CN1023943C Sewing machine
12/1993
12/08/1993EP0572405A1 Apparatus for detecting skipped stitches
08/1993
08/24/1993US5237944 Stitch-forming machine with a transducer and a control device
08/10/1993US5233936 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine
04/1993
04/06/1993US5199365 Sewing machine thread monitoring system
04/01/1993WO1993006291A1 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine
04/01/1993CA2119017A1 Method and apparatus for detecting skipped stitches for a chainstitch sewing machine
02/1993
02/04/1993WO1993002245A1 Detecting stitch failures in machine sewing
12/1992
12/16/1992EP0417119B1 Process for making a seam
12/09/1992EP0387255B1 Sewing machine with catch thread device
11/1992
11/03/1992US5159890 Device for stopping the drive of a sewing machine in the case of a thread disturbance
10/1992
10/21/1992EP0424395B1 Thread stop-motion device
08/1992
08/25/1992US5140920 Apparatus for detecting skipped stitches
08/05/1992EP0445157B1 Sewing machine with transducer and control device
04/1992
04/28/1992US5107779 Process and device for recognizing missed stitches during the operation of a sewing machine
03/1992
03/19/1992WO1992004495A1 Apparatus for detecting skipped stitches
01/1992
01/07/1992US5078068 Process and apparatus for preparing a seam
01/07/1992US5078067 Sewing machine with abnormal condition warning means for warning abnormal condition by changing color of light
12/1991
12/03/1991US5069151 Method and apparatus for detecting skipped stitches for a lockstitch sewing machine
11/1991
11/12/1991US5063866 Sewing machine
09/1991
09/11/1991EP0445157A1 Sewing machine with transducer and control device.
07/1991
07/23/1991US5033400 Thread tensioning device for a sewing machine
07/02/1991US5027730 Sewing machine with a thread monitor for the thread of the bobbin
05/1991
05/28/1991US5018465 Sewing machine with thread monitor
05/02/1991EP0424395A1 Thread stop-motion device.
04/1991
04/09/1991US5005499 Device for disabling and enabling stitching needles in a quilting machine or a multi-needle embroidery machine
03/1991
03/20/1991EP0417119A1 Process for making a seam.
02/1991
02/19/1991US4993337 Sewing machine with automatic thread control and thread breakage detecting devices
10/1990
10/31/1990EP0394601A1 Adevice for disabling and enabling one or more needles in a quilting machine or a multi-needle embroidery machine
10/31/1990DE4013648A1 Sewing machine thread scanner - monitors thread for breakages and is stopped by sensor for thread motion or tension
09/1990
09/19/1990EP0387255A1 Sewing machine with catch thread device.
08/1990
08/21/1990US4949657 Sewing machine with a device for amending thread tightening by needle positions
08/14/1990US4947773 For use in a sewing machine
07/1990
07/03/1990US4938159 Thread detecting apparatus in a sewing machine
06/1990
06/20/1990CN1043174A Sewing machine
06/19/1990US4934292 Sewing apparatus including an arrangement for automatically monitoring the bobbin thread, and a bobbin particularly useful in such apparatus
06/06/1990EP0371919A1 Sewing machine
05/1990
05/31/1990WO1990005804A1 Sewing machine with transducer and control device
05/31/1990CA2003960A1 Zig-zag sewing machine
12/1989
12/14/1989WO1989012130A1 Process for making a seam
12/14/1989WO1989012124A1 Thread stop-motion device
11/1989
11/09/1989DE3913022A1 Thread-monitoring device for a sewing machine
09/1989
09/26/1989US4869188 Color display apparatus in sewing machine
09/26/1989US4869186 Needle thread tension control system with differential clamping
08/1989
08/15/1989US4856443 Needle thread tensioning device for a swing machine
07/1989
07/04/1989US4843986 Thread feeding apparatus for multi-needle sewing machine
06/1989
06/27/1989US4841890 Thread break indicating device for sewing machines using a photo amplifier
05/1989
05/05/1989WO1989003908A1 Sewing machine with catch thread device
05/02/1989US4825786 Sewing method and apparatus
12/1988
12/27/1988US4793273 Automatic thread tension device for a sewing machine
12/20/1988US4791876 Automatic needle thread supply control system
12/14/1988EP0295138A1 Sewing method and apparatus
11/1988
11/15/1988US4784072 Sewing machine handle operated threading device
10/1988
10/11/1988US4776293 Automatic needle thread supply control system for a sewing machine
10/11/1988US4776292 Demand responsive sewing machine take-up and threading arrangement therefor
09/1988
09/22/1988WO1988007099A1 Sewing machine with a catch thread device for the bobbin thread
08/1988
08/30/1988US4766827 Thread measuring and feeding apparatus for a sewing machine
08/16/1988US4763588 Apparatus for thread monitoring in a sewing machine
07/1988
07/05/1988US4754722 Thread break detector for a sewing machine
04/1988
04/27/1988EP0265267A2 Automatic needle thread supply control system
04/27/1988EP0264515A1 Thread feeding apparatus for a sewing machine
04/05/1988US4735161 Sewing machine thread breakage detector
11/1987
11/17/1987US4706589 Needle thread guiding apparatus
03/1987
03/17/1987US4649844 Thread feeding apparatus for sewing machine
02/1987
02/19/1987DE3540126A1 Method and apparatus for the integrated monitoring of the upper and lower threads in sewing machines and automatic sewers and of the sewing process
12/1986
12/16/1986US4628847 Apparatus for thread monitoring
10/1986
10/28/1986US4619213 Drive control mechanism of sewing machine
08/1986
08/06/1986EP0189682A1 Thread feeding apparatus for a sewing machine
07/1986
07/29/1986US4602582 Monitoring looper thread feed monitoring device in a sewing machine
06/1986
06/05/1986WO1986003233A1 An apparatus for thread monitoring
05/1986
05/27/1986US4590879 Thread feed device in a sewing machine
05/07/1986EP0179928A1 Thread feed mechanism in sewing machine
04/1986
04/30/1986EP0179742A1 Device for the control and stopping of automatic sewing machines, in particular multi-needle embroidering machines
03/1986
03/12/1986EP0173897A1 Underthread watching device for a sewing or embroidering machine
02/1986
02/18/1986US4570560 Stop motion device for sewing, embroidering or tufting machines
12/1985
12/24/1985US4559886 Thread guide construction
12/17/1985US4558654 Under bed thread trimmer with thread detector stop motion
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