An-Chao Chang

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KUEISHAN HSIANG, TW

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Patents Grantslast 30 patents

Information Patent Grant
Cam wheel assembly for refrigerant recovery machine
- Patent number 8,616,083
- Issue date Dec 31, 2013
- Sun-Wonder Industrial Co., Ltd.
- An-Chao Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Refrigerant recovery machine with improved cam wheel assembly
- Patent number 8,418,493
- Issue date Apr 16, 2013
- Sun-Wonder Industrial Co., Ltd.
- An-Chao Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CAM WHEEL ASSEMBLY FOR REFRIGERANT RECOVERY MACHINE
- Publication number 20130061713
- Publication date Mar 14, 2013
- SUN-WONDER INDUSTRIAL CO., LTD.
- An-Chao CHANG
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
CAM-TYPE PUMP STRUCTURE FOR A REFRIGERANT RECYCLING MACHINE
- Publication number 20110280754
- Publication date Nov 17, 2011
- SUN-WONDER INDUSTRIAL CO.
- An Chao CHANG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ELECTRONIC INSTRUMENT FOR REFRIGERANT RECOVERY MACHINE
- Publication number 20110132018
- Publication date Jun 9, 2011
- SUN-WONDER INDUSTRIAL CO., LTD.
- An-Chao CHANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT RECOVERY MACHINE WITH IMPROVED CAM WHEEL ASSEMBLY
- Publication number 20110079036
- Publication date Apr 7, 2011
- SUN-WONDER INDUSTRIAL CO., LTD.
- An-Chao Chang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...