Inventor
CHEN HUI-CHIEN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHEN HUI-CHIEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YUAN LI HSING IND CO LTD
11 patentsUS11007625B2May 18, 2021
Two-stage universal joint
YUAN LI HSING IND CO LTD11 citations85
USD899915SOct 27, 2020
Tool head
YUAN LI HSING IND CO LTD6 citations83
US9776310B2Oct 3, 2017
Driving head-changeable tool and sleeve assembly thereof
YUAN LI HSING IND CO LTD9 citations83
US9205543B1Dec 8, 2015
Driving head-changeable tool
YUAN LI HSING IND CO LTD13 citations83
USD1003132SOct 31, 2023
Wrench
YUAN LI HSING IND CO LTD5 citations74
US11420309B2Aug 23, 2022
Multi-section universal tool
YUAN LI HSING IND CO LTD5 citations72
US11231073B2Jan 25, 2022
Two-stage universal joint
YUAN LI HSING IND CO LTD2 citations72
US12521845B2Jan 13, 2026
Two-size socket tool
YUAN LI HSING IND CO LTD0 citations62
US11685026B2Jun 27, 2023
Tool joint
YUAN LI HSING IND CO LTD1 citations62
US12350794B2Jul 8, 2025
Driving head-changeable tool
YUAN LI HSING IND CO LTD0 citations51
USD805380SDec 19, 2017
Extension tool
YUAN LI HSING IND CO LTD0 citations51
CHEN HUI-CHIEN
5 patentsUSD661171SJun 5, 2012
Tool adaptor
CHEN HUI-CHIEN7 citations82
US8151671B2Apr 10, 2012
Tool adaptor
CHEN HUI-CHIEN15 citations82
US7966915B2Jun 28, 2011
Extensive device for tool
CHEN HUI-CHIEN15 citations82
US8978887B2Mar 17, 2015
Receptacle for tool bit
CHEN HUI-CHIEN3 citations61
US8806990B1Aug 19, 2014
Handtool having bending mechanism
CHEN HUI-CHIEN3 citations61