Hsien Chang Tseng

Person

Taichung, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Driving clutch device for a sewing machine
- Patent number 11,859,324
- Issue date Jan 2, 2024
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Feed-dog stabilizing mechanism for a sewing machine
- Patent number 11,414,799
- Issue date Aug 16, 2022
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Positioning device for an ally movable tongue seat
- Patent number 11,008,687
- Issue date May 18, 2021
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Knee operated lifting mechanism for a presser foot of a sewing machine
- Patent number 10,801,143
- Issue date Oct 13, 2020
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Hollow pipe joint structure for a sewing machine
- Patent number 10,801,144
- Issue date Oct 13, 2020
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Positioning structure for an eccentrically movable tongue seat
- Patent number 10,801,142
- Issue date Oct 13, 2020
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing-thread pre-stress device for a sewing machine
- Patent number 10,767,293
- Issue date Sep 8, 2020
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Cutting device for a sewing machine
- Patent number 10,260,186
- Issue date Apr 16, 2019
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with a threading and air supply selecting device
- Patent number 9,540,751
- Issue date Jan 10, 2017
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Differential feeding mechanism for a sewing machine
- Patent number 9,506,174
- Issue date Nov 29, 2016
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Cutting device for a sewing machine
- Patent number 9,382,650
- Issue date Jul 5, 2016
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Guiding structure for a cloth feeding mechanism
- Patent number 9,200,394
- Issue date Dec 1, 2015
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with a drive-selection device capable of positioning...
- Patent number 9,150,992
- Issue date Oct 6, 2015
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Tension release device for compensating mechanical error of a tensi...
- Patent number 9,016,219
- Issue date Apr 28, 2015
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Universal bearing
- Patent number 8,979,375
- Issue date Mar 17, 2015
- Hsien-Chang Tseng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sewing machine
- Patent number D719985
- Issue date Dec 23, 2014
- Hsien-Chang Tseng
- D15 - Machines not elsewhere specified
Information Patent Grant
Thread hooking device for a hemming device of a sewing machine
- Patent number 8,893,632
- Issue date Nov 25, 2014
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Method and device for controlling sewing patterns of a sewing machine
- Patent number 8,763,545
- Issue date Jul 1, 2014
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with an adjusting structure capable of controlling a...
- Patent number 8,701,577
- Issue date Apr 22, 2014
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Drive structure for driving an upper thread wiper of a sewing machine
- Patent number 8,651,037
- Issue date Feb 18, 2014
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Travel beginning/end adjusting positioning structure for a sewing m...
- Patent number 8,297,212
- Issue date Oct 30, 2012
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread tensioning device for a sewing machine
- Patent number 8,151,721
- Issue date Apr 10, 2012
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread take-up lever for a sewing machine
- Patent number 7,647,877
- Issue date Jan 19, 2010
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Pressure adjustment structure for a presser foot of a sewing machine
- Patent number 7,617,786
- Issue date Nov 17, 2009
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Needle holder of multiple needles for sewing machine
- Patent number 7,513,201
- Issue date Apr 7, 2009
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Needle support for sewing machine
- Patent number 6,079,342
- Issue date Jun 27, 2000
- Hsien Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Rotary needle driving mechanism for a sewing machine
- Patent number 5,960,725
- Issue date Oct 5, 1999
- Hsien Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread tension device for sewing machine
- Patent number 5,860,376
- Issue date Jan 19, 1999
- Hsien Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Looper device having a thread feeding mechanism
- Patent number 5,704,302
- Issue date Jan 6, 1998
- Hsien Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine control mechanism
- Patent number 5,704,303
- Issue date Jan 6, 1998
- Hsien Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING

Patents Applicationslast 30 patents

Information Patent Application
Driving Clutch Device for a Sewing Machine
- Publication number 20230175181
- Publication date Jun 8, 2023
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
POSITIONING DEVICE FOR AN ALLY MOVABLE TONGUE SEAT
- Publication number 20200340158
- Publication date Oct 29, 2020
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
FEED-DOG STABILIZING MECHANISM FOR A SEWING MACHINE
- Publication number 20200109500
- Publication date Apr 9, 2020
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
HOLLOW PIPE JOINT STRUCTURE FOR A SEWING MACHINE
- Publication number 20190242046
- Publication date Aug 8, 2019
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
KNEE OPERATED LIFTING MECHANISM FOR A PRESSER FOOT OF A SEWING MACHINE
- Publication number 20190169772
- Publication date Jun 6, 2019
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
POSITIONING STRUCTURE FOR AN ECCENTRICALLY MOVABLE TONGUE SEAT
- Publication number 20180209082
- Publication date Jul 26, 2018
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
DIFFERENTIAL FEEDING MECHANISM FOR A SEWING MACHINE
- Publication number 20160160415
- Publication date Jun 9, 2016
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
CUTTING DEVICE FOR A SEWING MACHINE
- Publication number 20160083885
- Publication date Mar 24, 2016
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
SEWING MACHINE WITH A THREADING AND AIR SUPPLY SELECTING DEVICE
- Publication number 20150284890
- Publication date Oct 8, 2015
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
SEWING MACHINE WITH A DRIVE-SELECTION DEVICE CAPABLE OF POSITIONING...
- Publication number 20150233034
- Publication date Aug 20, 2015
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Tension Release Device for Compensating Mechanical Error of a Tensi...
- Publication number 20150075414
- Publication date Mar 19, 2015
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Thread Hooking Device for a Hemming Device of a Sewing Machine
- Publication number 20140366787
- Publication date Dec 18, 2014
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
UNIVERSAL BEARING
- Publication number 20140363111
- Publication date Dec 11, 2014
- Hsien-Chang TSENG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Cutting Device for a Sewing Machine
- Publication number 20140261122
- Publication date Sep 18, 2014
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
METHOD AND DEVICE FOR CONTROLLING SEWING PATTERNS OF A SEWING MACHINE
- Publication number 20130125803
- Publication date May 23, 2013
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Guiding Structure For A Cloth Feeding Mechanism
- Publication number 20130068146
- Publication date Mar 21, 2013
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
TRAVEL BEGINNING/END ADJUSTING POSITIONING STRUCTURE FOR A SEWING M...
- Publication number 20120216733
- Publication date Aug 30, 2012
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
ADJUSTING STRUCTURE FOR A SWING ARM AND A SWINGING CENTER THAT CONT...
- Publication number 20120210923
- Publication date Aug 23, 2012
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Thread Tensioning Device for a Sewing Machine
- Publication number 20100307399
- Publication date Dec 9, 2010
- Hsien-Chang TSENG
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Pressure Adjustment Structure for a Presser Foot of a Sewing Machine
- Publication number 20090277366
- Publication date Nov 12, 2009
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Application
Thread Take-up Lever for a Sewing Machine
- Publication number 20090277367
- Publication date Nov 12, 2009
- Hsien-Chang Tseng
- D05 - SEWING EMBROIDERING TUFTING

Hsien Chang Tseng

Person

Patents Grantslast 30 patents

Driving clutch device for a sewing machine

Feed-dog stabilizing mechanism for a sewing machine

Positioning device for an ally movable tongue seat

Knee operated lifting mechanism for a presser foot of a sewing machine

Hollow pipe joint structure for a sewing machine

Positioning structure for an eccentrically movable tongue seat

Sewing-thread pre-stress device for a sewing machine

Cutting device for a sewing machine

Sewing machine with a threading and air supply selecting device

Differential feeding mechanism for a sewing machine

Cutting device for a sewing machine

Guiding structure for a cloth feeding mechanism

Sewing machine with a drive-selection device capable of positioning...

Tension release device for compensating mechanical error of a tensi...

Universal bearing

Sewing machine

Thread hooking device for a hemming device of a sewing machine

Method and device for controlling sewing patterns of a sewing machine

Sewing machine with an adjusting structure capable of controlling a...

Drive structure for driving an upper thread wiper of a sewing machine

Travel beginning/end adjusting positioning structure for a sewing m...

Thread tensioning device for a sewing machine

Thread take-up lever for a sewing machine

Pressure adjustment structure for a presser foot of a sewing machine

Needle holder of multiple needles for sewing machine

Needle support for sewing machine

Rotary needle driving mechanism for a sewing machine

Thread tension device for sewing machine

Looper device having a thread feeding mechanism

Sewing machine control mechanism

Patents Applicationslast 30 patents

Driving Clutch Device for a Sewing Machine

POSITIONING DEVICE FOR AN ALLY MOVABLE TONGUE SEAT

FEED-DOG STABILIZING MECHANISM FOR A SEWING MACHINE

HOLLOW PIPE JOINT STRUCTURE FOR A SEWING MACHINE

KNEE OPERATED LIFTING MECHANISM FOR A PRESSER FOOT OF A SEWING MACHINE

POSITIONING STRUCTURE FOR AN ECCENTRICALLY MOVABLE TONGUE SEAT

DIFFERENTIAL FEEDING MECHANISM FOR A SEWING MACHINE

CUTTING DEVICE FOR A SEWING MACHINE

SEWING MACHINE WITH A THREADING AND AIR SUPPLY SELECTING DEVICE

SEWING MACHINE WITH A DRIVE-SELECTION DEVICE CAPABLE OF POSITIONING...

Tension Release Device for Compensating Mechanical Error of a Tensi...

Thread Hooking Device for a Hemming Device of a Sewing Machine

UNIVERSAL BEARING

Cutting Device for a Sewing Machine

METHOD AND DEVICE FOR CONTROLLING SEWING PATTERNS OF A SEWING MACHINE

Guiding Structure For A Cloth Feeding Mechanism

TRAVEL BEGINNING/END ADJUSTING POSITIONING STRUCTURE FOR A SEWING M...

ADJUSTING STRUCTURE FOR A SWING ARM AND A SWINGING CENTER THAT CONT...

Thread Tensioning Device for a Sewing Machine

Pressure Adjustment Structure for a Presser Foot of a Sewing Machine

Thread Take-up Lever for a Sewing Machine