Ruqun KE

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Powder delivery device
- Patent number 9,724,711
- Issue date Aug 8, 2017
- YU TUNG INVESTMENT HOLDINGS LIMITED
- Minjian Gao
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
A Powder Delivery Device
- Publication number 20150343465
- Publication date Dec 3, 2015
- Minjian GAO
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...