Dianlin Chang

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Shenyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Two directional multi-speed shifting gear of middle axle
- Patent number 5,647,817
- Issue date Jul 15, 1997
- Lam; Steven Siuwai
- Dianlin Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Two-way-driven 3-speed free wheel
- Patent number 5,141,476
- Issue date Aug 25, 1992
- Lam; S. W.
- Dianlin Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL COMBUSTION ENGINES WITH RING-SHAPED CYLINDERS
- Publication number 20100192896
- Publication date Aug 5, 2010
- Dianlin Chang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES