Patent applications and USPTO patent grants for ESSENCE METHOD REFINE CO., LTD..The latest application filed is for "method for manufacturing a multi-functional fastener".
Patent | Date |
---|---|
Screw with cutting slots Grant 11,391,314 - Chen July 19, 2 | 2022-07-19 |
Method For Manufacturing A Multi-functional Fastener App 20220126356 - CHEN; LING-FANG | 2022-04-28 |
Quick fastening screw Grant 11,199,214 - Chen December 14, 2 | 2021-12-14 |
Screw Having A Head With Different Sockets App 20210270304 - CHEN; LING-FANG | 2021-09-02 |
Screw With Cutting Slots App 20210190119 - CHEN; LING-FANG | 2021-06-24 |
Quick Fastening Screw App 20210088068 - CHEN; LING-FANG | 2021-03-25 |
Recessed screw, forming punch and driving tool Grant 9,962,759 - Chen May 8, 2 | 2018-05-08 |
Fastener App 20170254352 - CHEN; LING-FANG | 2017-09-07 |
Recessed Fastener, Forming Punch And Driving Tool App 20170095909 - CHEN; LING-FANG | 2017-04-06 |
Recessed Screw, Forming Punch And Driving Tool App 20160245325 - CHEN; LING-FANG | 2016-08-25 |
Fastener App 20160138640 - CHEN; LING-FANG | 2016-05-19 |
Screw with double notches Grant 8,511,958 - Chang August 20, 2 | 2013-08-20 |
Versatile fastener Grant 8,348,573 - Chang January 8, 2 | 2013-01-08 |
Drilling Fastener App 20110318137 - CHEN; JIN-SUN | 2011-12-29 |
Screw With Double Notches App 20110293387 - CHANG; CHING-HSIANG | 2011-12-01 |
Versatile Fastener App 20110229286 - CHANG; CHING-HSIANG | 2011-09-22 |
Screw with waved thread Grant 7,798,756 - Chang September 21, 2 | 2010-09-21 |
High Screwing Screw App 20090028665 - CHANG; CHING-HSIANG | 2009-01-29 |
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