Feng Chen

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Hong Kong, CN

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Patents Applicationslast 30 patents

Information Patent Application
LOCKING STRUCTURE AND FOLDABLE CUTTER AND FOLDABLE PAPER CUTTER APP...
- Publication number 20190030736
- Publication date Jan 31, 2019
- Feng Chen
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
PORTABLE CYCLONE DUST SEPARATOR AND CORRESPONDING DEDUSTING SYSTEM
- Publication number 20170189917
- Publication date Jul 6, 2017
- Feng CHEN
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
SEALING PROTECTION STRUCTURE FOR PACKAGE BAG
- Publication number 20110164838
- Publication date Jul 7, 2011
- Feng Chen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL