Assignee
UNION SPECIAL GMBH
DE72 patents
Top patents by PatentIndex Score
US5251557AOct 12, 1993
Sewing machine with an edge guiding device to guide one or more plies of material
UNION SPECIAL GMBH27 citations91
US5188047AFeb 23, 1993
Production of circular seams on a workpiece
UNION SPECIAL GMBH33 citations91
US4827856AMay 9, 1989
Alignment device for a sewing machine
UNION SPECIAL GMBH35 citations91
US4467734AAug 28, 1984
Automatic apparatus for conjointly supporting and guiding a tubular workpiece
UNION SPECIAL GMBH29 citations85
US4479447AOct 30, 1984
Method and apparatus for sewing on a tubular workpiece edge
UNION SPECIAL GMBH29 citations83
US4744319AMay 17, 1988
Workpiece controlling device for a sewing machine
UNION SPECIAL GMBH19 citations81
US4098209AJul 4, 1978
Thread cutter for chainstitch sewing machine
UNION SPECIAL GMBH23 citations79
US4325314AApr 20, 1982
Thread control mechanism for sewing machines
UNION SPECIAL GMBH18 citations73
US5178084AJan 12, 1993
Multiple needle chainstitch sewing machine
UNION SPECIAL GMBH12 citations72
US5029541AJul 9, 1991
Device for the formation and sewing of a hem at an opening in a workpiece
UNION SPECIAL GMBH10 citations72
US4754722AJul 5, 1988
Thread break detector for a sewing machine
UNION SPECIAL GMBH10 citations72
US4484532ANov 27, 1984
Apparatus for blind stitching an S-shaped hem
UNION SPECIAL GMBH15 citations72
US4102284AJul 25, 1978
Stacker mechanism
UNION SPECIAL GMBH13 citations72
US4633795AJan 6, 1987
Looper thread control with anti-spin cutting knives
UNION SPECIAL GMBH9 citations71
US4389951AJun 28, 1983
Material dispensing means for sewing machines
UNION SPECIAL GMBH13 citations71
US5222989AJun 29, 1993
Tape feed-in device on a sewing machine
UNION SPECIAL GMBH9 citations69
US5215020AJun 1, 1993
Optical detector mounted on a circuit board in a sewing machine needle plate
UNION SPECIAL GMBH14 citations69
US4777893AOct 18, 1988
Presser foot assembly
UNION SPECIAL GMBH9 citations69
US4332209AJun 1, 1982
Thread trimming mechanism for sewing machines
UNION SPECIAL GMBH7 citations69
US5813356ASep 29, 1998
Sewing machine with trimming device
UNION SPECIAL GMBH14 citations68
US5483908AJan 16, 1996
Blowing device on a sewing machine for uncurling the edge of sewing material
UNION SPECIAL GMBH9 citations68
US5477796ADec 26, 1995
Sewing machine with lower feed mechanism
UNION SPECIAL GMBH7 citations68
US5381745AJan 17, 1995
Method of sewing a seam and a sewing unit therefor
UNION SPECIAL GMBH13 citations68
US4480562ANov 6, 1984
Sewing machine loop spreading mechanism
UNION SPECIAL GMBH12 citations68
US5899156AMay 4, 1999
Thread control device for a chainstitch sewing machine
UNION SPECIAL GMBH7 citations67
US4423691AJan 3, 1984
Material sensing means for sewing machines
UNION SPECIAL GMBH12 citations67
US4037546AJul 26, 1977
Sewing machine apparatus for aligning and sewing pieces of textile fabric or the like
UNION SPECIAL GMBH14 citations67
US4512268AApr 23, 1985
Method and apparatus for tensioning and sewing a tubular workpiece
UNION SPECIAL GMBH12 citations66
US4372618AFeb 8, 1983
Self-advancing mineral mining installation including tilting machine support
UNION SPECIAL GMBH14 citations66
US5540162AJul 30, 1996
Looper drive for a chain stitch sewing machine
UNION SPECIAL GMBH10 citations65
US4342273AAug 3, 1982
Material sensing means for sewing machines
UNION SPECIAL GMBH8 citations65
US5531174AJul 2, 1996
Sewing machine for sewing seams on a tubular workpiece
UNION SPECIAL GMBH2 citations61
US5101748AApr 7, 1992
Feed dog drive for sewing machines
UNION SPECIAL GMBH2 citations61
US4312290AJan 26, 1982
Stitch shortening and tacking assembly for blindstitch sewing machines
UNION SPECIAL GMBH3 citations61
US5553563ASep 10, 1996
Sewing machine with rotary stitch regulator
UNION SPECIAL GMBH3 citations60
US5051678ASep 24, 1991
Drive device for a reciprocating part
UNION SPECIAL GMBH3 citations60
US4970977ANov 20, 1990
Portable, single-thread chain stitch, bag closing machine with a movable needle guiding device
UNION SPECIAL GMBH6 citations60
US4594957AJun 17, 1986
Sewing machine belt feed with variable pitch drive pulley
UNION SPECIAL GMBH2 citations60
US4582010AApr 15, 1986
Upper feed mechanism for sewing machines
UNION SPECIAL GMBH2 citations60
US4526119AJul 2, 1985
Sewing machine having a driven feed roller
UNION SPECIAL GMBH3 citations60
US4419948ADec 13, 1983
Needle bar lubricant sealing device
UNION SPECIAL GMBH6 citations60
US5337689AAug 16, 1994
Feed dog mechanism for sewing machine
UNION SPECIAL GMBH13 citations59
US4417534ANov 29, 1983
Lubricant sensing device for sewing machines
UNION SPECIAL GMBH2 citations59
US4062310ADec 13, 1977
Cooling device for sewing machines
UNION SPECIAL GMBH6 citations59
US5469798ANov 28, 1995
Thread cutting device and method for a chain stitch sewing machine
UNION SPECIAL GMBH6 citations58
US5249539AOct 5, 1993
Tape feed-in device on a presser foot assembled on a sewing machine
UNION SPECIAL GMBH2 citations58
US5027728AJul 2, 1991
Chaining-off device for multiple needle chainstitch sewing machines
UNION SPECIAL GMBH7 citations58
US4922843AMay 8, 1990
Using a variable speed motor in a tape feed device for a sewing machine
UNION SPECIAL GMBH3 citations58
US4777891AOct 18, 1988
Cutting device for use with a sewing machine
UNION SPECIAL GMBH4 citations58
US5178081AJan 12, 1993
Metering device for sewing machines
UNION SPECIAL GMBH5 citations57
Showing the top 50 of 72 patents by PatentIndex Score.