Yanfu Li

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Xiamen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic device
- Patent number 11,441,445
- Issue date Sep 13, 2022
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- Shuidian Xu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Pneumatic engine
- Patent number 11,274,553
- Issue date Mar 15, 2022
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- Shuidian Xu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rolling deep groove ball bearing
- Patent number 10,704,594
- Issue date Jul 7, 2020
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- Shuidian Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC DEVICE
- Publication number 20210115810
- Publication date Apr 22, 2021
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- Shuidian Xu
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
PNEUMATIC ENGINE
- Publication number 20200088035
- Publication date Mar 19, 2020
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- SHUIDIAN XU
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ROLLING DEEP GROOVE BALL BEARING
- Publication number 20190242431
- Publication date Aug 8, 2019
- TRANF TECHNOLOGY (XIAMEN) CO., LTD.
- Shuidian Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...