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Driving head-changeable tool
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Patent number 12,350,794
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Issue date Jul 8, 2025
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Wrench
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Patent number D1003132
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Issue date Oct 31, 2023
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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D08 - Tools and hardware
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Tool joint
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Patent number 11,685,026
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Issue date Jun 27, 2023
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Multi-section universal tool
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Patent number 11,420,309
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Issue date Aug 23, 2022
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Two-stage universal joint
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Patent number 11,231,073
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Issue date Jan 25, 2022
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Two-stage universal joint
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Patent number 11,007,625
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Issue date May 18, 2021
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Tool head
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Patent number D899915
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Issue date Oct 27, 2020
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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D08 - Tools and hardware
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Driving head-changeable tool
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Patent number 9,903,419
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Issue date Feb 27, 2018
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Extension tool
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Patent number D805380
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Issue date Dec 19, 2017
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien Chen
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D08 - Tools and hardware
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Handle of hand tool
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Patent number D772663
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Issue date Nov 29, 2016
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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D08 - Tools and hardware
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Driving head-changeable tool
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Patent number 9,205,543
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Issue date Dec 8, 2015
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Universal joint
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Patent number 8,246,476
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Issue date Aug 21, 2012
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Yuan Li Hsing Industrial Co., Ltd.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TWO-SIZE SOCKET TOOL
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Publication number 20250073860
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Publication date Mar 6, 2025
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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DRIVING HEAD-CHANGEABLE TOOL
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Publication number 20240181610
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Publication date Jun 6, 2024
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TOOL JOINT
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Publication number 20220241940
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Publication date Aug 4, 2022
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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MULTI-SECTION UNIVERSAL TOOL
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Publication number 20200338700
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Publication date Oct 29, 2020
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TWO-STAGE UNIVERSAL JOINT
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Publication number 20200101585
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Publication date Apr 2, 2020
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TWO-STAGE UNIVERSAL JOINT
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Publication number 20200072294
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Publication date Mar 5, 2020
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Chia-Yi CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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MULTI-SECTION UNIVERSAL TOOL
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Publication number 20200061783
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Publication date Feb 27, 2020
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TWO-STAGE UNIVERSAL JOINT
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Publication number 20190283221
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Publication date Sep 19, 2019
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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TOOL STORAGE DEVICE
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Publication number 20190193258
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Publication date Jun 27, 2019
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YUAN LI HSING INDUSTRIAL CO., LTD.
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Hui-Chien CHEN
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B60 - VEHICLES IN GENERAL
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DRIVING HEAD-CHANGEABLE TOOL
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Publication number 20160138657
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Publication date May 19, 2016
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YUAN LI HSING INDUSTRIAL CO., LTD.
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CHIA-YI CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
-
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DRIVING HEAD-CHANGEABLE TOOL
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Publication number 20150375377
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Publication date Dec 31, 2015
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YUAN LI HSING INDUSTRIAL CO., LTD.
-
Hui-Chien CHEN
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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DRIVING HEAD-CHANGEABLE TOOL
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Publication number 20150298302
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Publication date Oct 22, 2015
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YUAN LI HSING INDUSTRIAL CO., LTD.
-
CHIA-YI CHEN
-
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Universal joint
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Publication number 20110256938
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Publication date Oct 20, 2011
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YUAN LI HSING INDUSTRIAL CO., LTD.
-
Chia-Yi Chen
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS