Duqiang Wu

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Eden Prairie, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system including priority based valve sequencing
- Patent number 9,097,268
- Issue date Aug 4, 2015
- Eaton Corporation
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system having load sensing capabilities
- Patent number 8,505,291
- Issue date Aug 13, 2013
- Eaton Corporation
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system including priority based valve sequencing
- Patent number 8,474,364
- Issue date Jul 2, 2013
- Eaton Corporation
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system including open loop and closed loop valve control...
- Patent number 8,434,302
- Issue date May 7, 2013
- Eaton Corporation
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system and method for controlling valve phasing
- Patent number 8,226,370
- Issue date Jul 24, 2012
- Eaton Corporation
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC SYSTEM INCLUDING PRIORITY BASED VALVE SEQUENCING
- Publication number 20130291714
- Publication date Nov 7, 2013
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM HAVING LOAD SENSING CAPABILITIES
- Publication number 20090260352
- Publication date Oct 22, 2009
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM INCLUDING OPEN LOOP AND CLOSED LOOP VALVE CONTROL...
- Publication number 20090255246
- Publication date Oct 15, 2009
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING VALVE PHASING
- Publication number 20090257891
- Publication date Oct 15, 2009
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM INCLUDING PRIORITY BASED VALVE SEQUENCING
- Publication number 20090255245
- Publication date Oct 15, 2009
- Duqiang Wu
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL