Changfeng LI

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Changzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Material conveying device, processing equipment facilitating materi...
- Patent number 11,952,222
- Issue date Apr 9, 2024
- CHANGZHOU MINGSEAL ROBOT TECHNOLOGY CO., LTD.
- Dongsheng Qu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and method for adjusting width of rail mechanism
- Patent number 11,852,290
- Issue date Dec 26, 2023
- CHANGZHOU MINGSEAL ROBOT TECHNOLOGY CO., LTD
- Dongsheng Qu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MATERIAL CONVEYING DEVICE, PROCESSING EQUIPMENT FACILITATING MATERI...
- Publication number 20220212881
- Publication date Jul 7, 2022
- CHANGZHOU MINGSEAL ROBOT TECHNOLOGY CO., LTD.
- Dongsheng QU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
APPARATUS AND METHOD FOR ADJUSTING WIDTH OF RAIL MECHANISM
- Publication number 20220107047
- Publication date Apr 7, 2022
- CHANGZHOU MINGSEAL ROBOT TECHNOLOGY CO., LTD.
- Dongsheng QU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...