JUI-CHENG CHANG

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KEELUNG CITY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Double-power-supply complex control device
- Patent number 12,110,974
- Issue date Oct 8, 2024
- CH Creative Co., Ltd.
- Jui-Cheng Chang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Compressor structure
- Patent number 11,795,947
- Issue date Oct 24, 2023
- CH Creative Co., Ltd.
- Jui-Cheng Chang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluid transfer guiding/controlling device and application system th...
- Patent number 11,698,139
- Issue date Jul 11, 2023
- CH Creative Co., Ltd.
- Jui-Cheng Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PUMP WITH VARIABLE SUCTION/DISCHARGE AMOUNT AND DRIVE DEVICE COMPOS...
- Publication number 20230136689
- Publication date May 4, 2023
- JUI-CHENG CHANG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DOUBLE-POWER-SUPPLY COMPLEX CONTROL DEVICE
- Publication number 20220252166
- Publication date Aug 11, 2022
- CH CREATIVE CO,, LTD
- JUI-CHENG CHANG
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
FLUID TRANSFER GUIDING/CONTROLLING DEVICE AND APPLICATION SYSTEM TH...
- Publication number 20220154835
- Publication date May 19, 2022
- JUI-CHENG CHANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
COMPRESSOR STRUCTURE
- Publication number 20220120273
- Publication date Apr 21, 2022
- CH CREATIVE CO., LTD.
- JUI-CHENG CHANG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...