Jinquan CAI

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Patents Grantslast 30 patents

Information Patent Grant
Bidirectional bulk material gathering apparatus and methods for gat...
- Patent number 7,779,991
- Issue date Aug 24, 2010
- Jinquan Cai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
BIDIRECTIONAL BULK MATERIAL GATHERING APPARATUS AND METHODS FOR GAT...
- Publication number 20080189989
- Publication date Aug 14, 2008
- Jinquan CAI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING