DOOSAN INFRACORE CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E02F DREDGING; SOIL-SHIFTING 7010
 
 
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 3613
 
 
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 1855
 
 
 
F02D CONTROLLING COMBUSTION ENGINES 1855
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 12435
 
 
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 1163
 
 
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 1180
 
 
 
C22C ALLOYS 963
 
 
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 864
 
 
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 875

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0044,891 CONTROL SYSTEM FOR CONSTRUCTION MACHINERYJan 12, 16Feb 15, 18[E02F, F15B]
2018/0038,333 CONSTRUCTION MACHINE STARTING ASSIST SYSTEMFeb 27, 15Feb 08, 18[E02F, F02N, F15B]
2017/0198,458 CONTROL DEVICE AND CONTROL METHOD FOR CONSTRUCTION MACHINEJan 04, 17Jul 13, 17[E02F, F02D]
2017/0107,691 METHOD FOR CONTROLLING SWING MOTOR IN HYDRAULIC SYSTEM AND HYDRAULIC SYSTEMMar 12, 15Apr 20, 17[E02F, F15B]
2017/0059,041 DUST PREVENTING SEAL AND CONSTRUCTION MACHINE HAVING THE SAMEAug 23, 16Mar 02, 17[F16J]
2016/0186,635 EXHAUST GAS POST-PROCESSING APPARATUS AND METHOD FOR SULFUR OXIDE REMOVALMar 04, 16Jun 30, 16[F01N]
2016/0053,778 APPARATUS AND METHOD FOR CONTROLLING SPOOL DISPLACEMENT OF CONSTRUCTION MACHINEApr 01, 14Feb 25, 16[E02F, F02D, F15B]
2015/0017,029 PRESSURE OVERSHOOTING PREVENTION SYSTEM FOR ELECTRONIC HYDRAULIC PUMP IN HYDRAULIC SYSTEMDec 24, 12Jan 15, 15[F04B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903099 Apparatus and method for selecting screen modeNov 21, 14Feb 27, 18[E02F]
9903392 Apparatus for controlling hydraulic pump for construction machineMar 03, 14Feb 27, 18[F04B, E02F, F16D, F02D, F15B]
9896823 Cast steel for construction equipment bucket parts and parts for construction equipment bucket comprising the sameSep 11, 14Feb 20, 18[E02F, C21D, C22C]
9890804 Engine system utilizing hydraulic pressureMar 24, 15Feb 13, 18[F01K, E02F, B60H, F15B]
9884538 Turbo compound system for vehicleJan 25, 13Feb 06, 18[F04D, F01N, B60H, F02B, F02G]
9885294 Method for controlling RPM of construction machine engineDec 18, 12Feb 06, 18[F02D]
9841037 Construction equipment hydraulic system and control method thereforMar 19, 14Dec 12, 17[E02F, F15B]
9827841 Wheel driving system for construction machineryMay 26, 15Nov 28, 17[B60K, E02F]
9829013 Hydraulic system for construction machineMar 13, 14Nov 28, 17[E02F, F15B]
9810140 Combustion chamber of direct injection diesel engine having inducersOct 30, 13Nov 07, 17[F02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0373,255 Support DeviceAbandonedJan 26, 12Dec 25, 14[A44C]
2014/0352,666 COMMON RAIL INJECTOR HAVING SWIRL SPRAY NOZZLEAbandonedAug 31, 12Dec 04, 14[F02M]
2014/0284,999 HYBRID POWER SUPPLY APPARATUS AND METHOD FOR CONTROLLING SAMEAbandonedAug 20, 12Sep 25, 14[B60L]
2014/0118,533 OPERATIONAL STABILITY ENHANCING DEVICE FOR CONSTRUCTION MACHINERYAbandonedJan 28, 13May 01, 14[B60R]
2014/0076,273 Combustion Bowl Shape Of Direct Injection Diesel Engine For Reducing The Soot EmissionAbandonedApr 04, 13Mar 20, 14[F02B]
2013/0298,553 EXHAUST GAS RECIRCULATION APPARATUS FOR HEAVY CONSTRUCTION EQUIPMENTAbandonedNov 10, 11Nov 14, 13[F02M]
2013/0289,834 LOW IDLE CONTROL SYSTEM OF CONSTRUCTION EQUIPMENT AND AUTOMATIC CONTROL METHOD THEREOFAbandonedDec 21, 11Oct 31, 13[E02F]
2013/0278,772 RUNNING INFORMATION RECORDING DEVICE FOR HEAVY CONSTRUCTION EQUIPMENTAbandonedJan 18, 12Oct 24, 13[H04N]
2013/0282,187 METHOD FOR CONTROLLING HYDRAULIC PUMP IN EXCAVATORAbandonedDec 22, 11Oct 24, 13[G05D]
2013/0268,217 METHOD AND APPARATUS FOR DETECTING ABNORMALITY OF A CAPACITORAbandonedDec 13, 11Oct 10, 13[G01R]
2013/0239,741 Rocker Arm Shaft with Improved Abrasion Resistance and Rocker Arm Shaft/Bush Assembly Comprising SameAbandonedNov 16, 11Sep 19, 13[F16H]
2013/0158,679 APPARATUS AND METHOD FOR CONTROLLING CONSTRUCTION MACHINERYAbandonedAug 23, 11Jun 20, 13[G05B]
2013/0104,531 STATIC MIXER FOR MIXING UREA AQUEOUS SOLUTION AND ENGINE EXHAUST GASAbandonedJul 07, 11May 02, 13[F01N]
2013/0103,247 Apparatus and Method for Controlling Work Trajectory of Construction EquipmentAbandonedJun 23, 11Apr 25, 13[E02F]
2012/0317,884 SET-UP STATION DOOR APPARATUS FOR A MACHINE TOOLAbandonedNov 16, 10Dec 20, 12[E06B]
2012/0301,346 CGI CAST IRON AND PRODUCTION METHOD FOR THE SAMEAbandonedDec 08, 10Nov 29, 12[C22C, B22D]
2012/0255,833 PALLET TRANSFERRING APPARATUS OF HORIZONTAL TYPE MACHINE TOOLAbandonedSep 20, 10Oct 11, 12[B65G]
2011/0258,293 Method of Setting a Transmission Cycle for Information on Construction EquipmentAbandonedDec 07, 09Oct 20, 11[G06F]
7661497 Upper swing body with minimized rear protrusion in excavatorExpiredDec 22, 06Feb 16, 10[B62D]
7499263 Mobile power source cable connection system and methodExpiredAug 29, 06Mar 03, 09[H02B, H02K]

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