Hongyan Yu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Silo de-bridging device including a sleeve structure having a cam c...
- Patent number 9,481,511
- Issue date Nov 1, 2016
- Hongyan Yu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
SILO DE-BRIDGING DEVICE
- Publication number 20130302117
- Publication date Nov 14, 2013
- Hongyan Yu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL