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Screw having a head with different sockets
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Patent number 11,572,914
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Issue date Feb 7, 2023
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Essence Method Refine Co., Ltd.
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Ling-Fang Chen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Screw with cutting slots
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Patent number 11,391,314
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Issue date Jul 19, 2022
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Essence Method Refine Co., Ltd.
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Ling-Fang Chen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Quick fastening screw
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Patent number 11,199,214
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Issue date Dec 14, 2021
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Essence Method Refine Co., Ltd.
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Ling-Fang Chen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Screw with double notches
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Patent number 8,511,958
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Issue date Aug 20, 2013
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Essence Method Refine Co., Ltd.
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Ching-Hsiang Chang
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Versatile fastener
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Patent number 8,348,573
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Issue date Jan 8, 2013
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Essence Method Refine Co., Ltd.
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Ching-Hsiang Chang
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Screw with waved thread
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Patent number 7,798,756
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Issue date Sep 21, 2010
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Essence Method Refine Co., Ltd.
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Ching-Hsiang Chang
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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SCREW HAVING A HEAD WITH DIFFERENT SOCKETS
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Publication number 20210270304
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Publication date Sep 2, 2021
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ESSENCE METHOD REFINE CO., LTD.
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LING-FANG CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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SCREW WITH CUTTING SLOTS
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Publication number 20210190119
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Publication date Jun 24, 2021
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ESSENCE METHOD REFINE CO., LTD.
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LING-FANG CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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QUICK FASTENING SCREW
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Publication number 20210088068
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Publication date Mar 25, 2021
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ESSENCE METHOD REFINE CO., LTD.
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LING-FANG CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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FASTENER
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Publication number 20170254352
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Publication date Sep 7, 2017
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ESSENCE METHOD REFINE CO., LTD.
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LING-FANG CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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FASTENER
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Publication number 20160138640
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Publication date May 19, 2016
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ESSENCE METHOD REFINE CO., LTD.
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LING-FANG CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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DRILLING FASTENER
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Publication number 20110318137
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Publication date Dec 29, 2011
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ESSENCE METHOD REFINE CO., LTD.
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JIN-SUN CHEN
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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SCREW WITH DOUBLE NOTCHES
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Publication number 20110293387
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Publication date Dec 1, 2011
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ESSENCE METHOD REFINE CO., LTD.
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CHING-HSIANG CHANG
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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VERSATILE FASTENER
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Publication number 20110229286
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Publication date Sep 22, 2011
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ESSENCE METHOD REFINE CO., LTD.
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CHING-HSIANG CHANG
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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HIGH SCREWING SCREW
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Publication number 20090028665
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Publication date Jan 29, 2009
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ESSENCE METHOD REFINE CO., LTD.
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CHING-HSIANG CHANG
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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78587151 - ACEXMA
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Serial number 78587151
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Registration number 3124882
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Filing date Mar 15, 2005
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ESSENCE METHOD REFINE CO., LTD.
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6 - Common metals and their alloys