Hae Kyun Cheong

Inventor

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Work History

Patent OwnerApplications FiledYear
VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB
9
2
2
2
2
2004
2006
2007
2008
2010
SWEDEN AB
1
2004

Inventor Addresses

AddressDuration
Busan, KRMay 06, 14 - May 06, 14
Pusan, KRJun 23, 05 - Sep 27, 11
Sasang-gu, KRMar 15, 07 - Jun 30, 11

Technology Profile

Technology Matters
B01D: SEPARATION 1
F04B: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1
F15B: SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 3

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
87139302014Negative control type hydraulic system2
80249262011Hydraulic circuit for heavy equipment3
80113872011Pressure control device for heavy equipment1
2011/0158,8302011NEGATIVE CONTROL TYPE HYDRAULIC SYSTEM3
2009/0094,9732009HYDRAULIC CIRCUIT FOR HEAVY EQUIPMENT5

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