Duck Woo Park

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
System for providing fuel efficiency information of construction ma...
- Patent number 9,446,769
- Issue date Sep 20, 2016
- Doosan Infracore Co., Ltd.
- Hong Cheol Yun
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic system for construction machine including emergency contr...
- Patent number 9,441,646
- Issue date Sep 13, 2016
- Doosan Infracore Co., Ltd.
- Jung Mug Shin
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Power control apparatus and power control method of construction ma...
- Patent number 8,720,629
- Issue date May 13, 2014
- Doosan Infracore Co., Ltd.
- Won Sun Sohn
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Emergency engine RPM control apparatus for heavy construction equip...
- Patent number 8,452,495
- Issue date May 28, 2013
- Doosan Infracore Co., Ltd.
- Duck Woo Park
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION MACHINE SAFETY APPARATUS AND CONTROLLING METHOD
- Publication number 20190368163
- Publication date Dec 5, 2019
- Doosan Infracore Co., Ltd.
- Young Sup LIM
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SYSTEM FOR PROVIDING FUEL EFFICIENCY INFORMATION OF CONSTRUCTION MA...
- Publication number 20140336916
- Publication date Nov 13, 2014
- Hong Cheol Yun
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINE INCLUDING EMERGENCY CONTR...
- Publication number 20130255244
- Publication date Oct 3, 2013
- Doosan Infracore Co., Ltd.
- Jung Mug Shin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
POWER CONTROL APPARATUS AND POWER CONTROL METHOD OF CONSTRUCTION MA...
- Publication number 20120251332
- Publication date Oct 4, 2012
- Doosan Infracore Co., Ltd.
- Won Sun Sohn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
EMERGENCY ENGINE RPM CONTROL APPARATUS FOR HEAVY CONSTRUCTION EQUIP...
- Publication number 20110264338
- Publication date Oct 27, 2011
- Doosan Infracore Co., Ltd.
- Duck Woo Park
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING