Xingjian Li

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Anhui, CN

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Patents Grantslast 30 patents

Information Patent Grant
Convertible aircraft system
- Patent number 11,787,539
- Issue date Oct 17, 2023
- Xingkang Li
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Magnetically actuated visual display board
- Patent number 8,057,238
- Issue date Nov 15, 2011
- Xingkang Li
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Roll-up car cover
- Patent number 6,513,858
- Issue date Feb 4, 2003
- Xingkang Li
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Instant No-Sew and Removable Fabric Fastener
- Publication number 20230189939
- Publication date Jun 22, 2023
- Xingkang Li
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Convertible Aircraft System
- Publication number 20220315215
- Publication date Oct 6, 2022
- Xingkang Li
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Folding roof cover for vehicles
- Publication number 20110095561
- Publication date Apr 28, 2011
- Xingkang Li
- B60 - VEHICLES IN GENERAL
Information Patent Application
Magnetically actuated visual display board
- Publication number 20110039251
- Publication date Feb 17, 2011
- Xingkang Li
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Self coiling roll-up car cover
- Publication number 20040238089
- Publication date Dec 2, 2004
- Xingkang Li
- B60 - VEHICLES IN GENERAL