Hanzhen Zhang

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pliers for removing fastening ring with an adjusting device
- Patent number 8,051,572
- Issue date Nov 8, 2011
- Link-Tech (Tianjin) Metal Products Co., Ltd.
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Ear hose clamp having an indication arrangement
- Patent number 7,987,561
- Issue date Aug 2, 2011
- Link-Tech (Tianjin) Metal Products Co., Ltd.
- Hanzhen Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ratchet pliers with adjustable jaw
- Patent number 7,854,185
- Issue date Dec 21, 2010
- Tianjin Runshi Science Development Co., Ltd.
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hand crimping tool interchangeable and interactive jaws
- Patent number 7,628,052
- Issue date Dec 8, 2009
- Tianjin Runshi Science Development Co., Ltd.
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Pliers for removing fastening ring with an adjusting device
- Publication number 20100175516
- Publication date Jul 15, 2010
- Tianjin Runshi Science Development Co., Ltd
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Ratchet pliers with adjustable jaw
- Publication number 20100175512
- Publication date Jul 15, 2010
- Tianjin Runshi Science Development Co., Ltd
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pipe fittings with a locating claw
- Publication number 20100109319
- Publication date May 6, 2010
- Tianjin Runshi Science Development Co., Ltd
- Hanzhen Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Ear hose clamp having an indication arrangement
- Publication number 20090151133
- Publication date Jun 18, 2009
- Tianjin Runshi Science Development Co., Ltd
- Hanzhen Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hand crimping tool interchangeable and interactive jaws
- Publication number 20080302165
- Publication date Dec 11, 2008
- Tianjin Runshi Science Development Co., Ltd
- Hanzhen Zhang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS