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Taipei Hsien, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Thread tension adjustment device of multi-needle sewing machine
Patent number
6,932,009
Issue date
Aug 23, 2005
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Take-up cam phase adjustment structure of looper thread take-up app...
Patent number
6,904,853
Issue date
Jun 14, 2005
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Directly motor-driven structure of a sewing machine
Patent number
6,748,888
Issue date
Jun 15, 2004
Ching Chi Machines Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Oblique thread-guiding link of a sewing machine
Patent number
6,712,015
Issue date
Mar 30, 2004
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Knife track adjustment structure of thread cutter of sewing machine
Patent number
6,694,903
Issue date
Feb 24, 2004
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Looper thread take-up apparatus of a sewing machine
Patent number
6,691,630
Issue date
Feb 17, 2004
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing machine
Patent number
6,668,739
Issue date
Dec 30, 2003
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Looper thread take-up apparatus externally added to outer end of lo...
Patent number
6,666,158
Issue date
Dec 23, 2003
Ching Chi Machine Co., Ltd.
Shih-Fang Chen
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Looper thread take-up structure of sewing machine capable of very e...
Patent number
6,263,812
Issue date
Jul 24, 2001
Ching Chi Machine Co., Ltd.
Shin-Fang Chen
D05 - SEWING EMBROIDERING TUFTING