Chunhua CAO

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Washing method which has no need of adding detergent by the user an...
- Patent number 8,857,223
- Issue date Oct 14, 2014
- Haier Group Corporation
- Chunhua Cao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Seal unit of gas dryer
- Patent number 8,112,901
- Issue date Feb 14, 2012
- Haier Indesit(Qingdao) Washing Machine Co., Ltd.
- Chunhua Cao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Washing machine with improved waterway system
- Patent number 8,042,364
- Issue date Oct 25, 2011
- Haier Group Corporation
- Chunhua Cao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
WASHING MACHINE WITH IMPROVED WATERWAY SYSTEM
- Publication number 20090266115
- Publication date Oct 29, 2009
- HAIER GROUP CORPORATION
- Chunhua CAO
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
SEAL UNIT OF GAS DRYER
- Publication number 20090000145
- Publication date Jan 1, 2009
- HAIER INDESIT (QINGDAO) WASHING MACHINE CO., LTD
- Chunhua Cao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Washing method which has no need of adding detergent by the user an...
- Publication number 20070180866
- Publication date Aug 9, 2007
- HAIER GROUP CORPORATION
- Chunhua Cao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...