Rongfeng Cheng

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Laoshan Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Positive-negative-rotation fan for clothes dryer, and clothes dryer
- Patent number 11,028,524
- Issue date Jun 8, 2021
- Qingdao Haier Washing Machine Co., Ltd.
- Jindong Bing
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Control panel for clothes dryer and clothes dryer
- Patent number 10,017,896
- Issue date Jul 10, 2018
- QINGDAO JIAONAN HAIER WASHING MACHINE CO.
- Jindong Bing
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum heat pump clothes drying method and dryer
- Patent number 9,255,732
- Issue date Feb 9, 2016
- HAIER GROUP CORPORATION
- Hai Shu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
POSITIVE-NEGATIVE-ROTATION FAN FOR CLOTHES DRYER, AND CLOTHES DRYER
- Publication number 20190301079
- Publication date Oct 3, 2019
- QINGDAO HAIER WASHING MACHINE CO., LTD.
- Jindong Bing
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
DRYER
- Publication number 20190203406
- Publication date Jul 4, 2019
- QINGDAO HAIER WASHING MACHINE CO., LTD.
- Jindong BING
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
CONTROL PANEL FOR CLOTHES DRYER AND CLOTHES DRYER
- Publication number 20170292219
- Publication date Oct 12, 2017
- QINGDAO JIAONAN HAIER WASHING MACHINE CO., LTD.
- Jindong BING
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM HEAT PUMP CLOTHES DRYING METHOD AND DRYER
- Publication number 20130180125
- Publication date Jul 18, 2013
- Qingdao Haier Washing Machine Co. LTD
- Hai Shu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...