Lin Qi

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Five-simultaneously-working-axis computerized numerical controlled...
- Patent number 7,226,255
- Issue date Jun 5, 2007
- Tianjin Teda Development Centre for Worm Gear Transmission
- Yaxiong Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Forming method for milling threads of variable tooth worms
- Patent number 7,044,691
- Issue date May 16, 2006
- Tsubaki Emerson Gear (Tianjin) Co., Ltd.
- Yaxiong Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Variable tooth worm
- Patent number 6,176,148
- Issue date Jan 23, 2001
- Tianjin Everbest Gear Co., Ltd.
- Yaxiong Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Five-simultaneously-working-axis computerized numerical controlled...
- Publication number 20050117985
- Publication date Jun 2, 2005
- Yaxiong Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Five-simultaneously-working-axis computerized numerical controlled...
- Publication number 20040086350
- Publication date May 6, 2004
- Yaxiong Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Forming method for milling threads of variable tooth worms
- Publication number 20040033114
- Publication date Feb 19, 2004
- Yaxiong Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of forming milled tooth of variable tooth worm
- Publication number 20020067966
- Publication date Jun 6, 2002
- Yaxiong Zhang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC