MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS8014
 
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 4032
 
 
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 1346
 
 
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 1018
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING964
 
 
 
F16H GEARING892
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 899
 
 
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS644
 
 
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 524
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 441

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,513 METHOD FOR INSPECTING ROTARY MACHINE, AND ROTARY MACHINEMar 31, 15Mar 15, 18[F04B, F04D]
2018/0073,638 ROTARY MACHINEOct 09, 15Mar 15, 18[F04D, F16J]
2018/0066,674 CENTRIFUGAL COMPRESSORAug 27, 15Mar 08, 18[F04D]
2018/0058,468 IMPELLER AND CENTRIFUGAL COMPRESSOROct 26, 15Mar 01, 18[F04D]
2018/0051,594 TURNING APPARATUS AND CONTROL METHOD FOR TURNING APPARATUSMar 24, 15Feb 22, 18[H02K, H02P, F01D, F16H]
2018/0038,283 GAS TURBINE STARTING DEVICE AND GAS TURBINE SYSTEMFeb 23, 15Feb 08, 18[F02C, F01D]
2018/0030,561 HOLLOW ELEMENT MANUFACTURING METHOD AND ROTARY MACHINE MANUFACTURING METHODOct 16, 15Feb 01, 18[F04D, C21D]
2018/0030,992 CENTRIFUGAL COMPRESSOR AND GEARED CENTRIFUGAL COMPRESSORAug 10, 15Feb 01, 18[F04D]
2018/0023,589 CENTRIFUGAL COMPRESSORSep 16, 15Jan 25, 18[F04D]
2018/0016,976 GAS TURBINE SYSTEMFeb 09, 15Jan 18, 18[H02K, F02C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903385 Impeller, rotary machine including the same, and method for manufacturing impellerDec 13, 11Feb 27, 18[F04D]
9897101 Impeller for centrifugal rotary machine, and centrifugal rotary machineOct 23, 13Feb 20, 18[F04D]
9874219 Impeller and fluid machineJun 13, 13Jan 23, 18[F04D]
9845807 Compressor control device, compressor system and compressor control methodSep 12, 13Dec 19, 17[F04D]
9835161 Rotary machineFeb 27, 12Dec 05, 17[F04D]
9822791 Seal device and rotary machineAug 29, 13Nov 21, 17[F04D, F16J]
9822798 Bundle guiding device of compressor and bundle guiding method of compressorFeb 19, 13Nov 21, 17[F04D, F01D]
9815134 Impeller brazing methodJan 10, 17Nov 14, 17[B23K, F04D, C21D, C22C]
9803654 Impeller, and rotating machine provided with sameOct 29, 13Oct 31, 17[F04D, F01D]
9776217 Centrifugal compressor and washing methodApr 03, 15Oct 03, 17[B08B, F04D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0345,859 CARBON DIOXIDE LIQUEFACTION DEVICEAbandonedFeb 25, 13Dec 03, 15[F25J]
2014/0175,754 SEAL DEVICEAbandonedOct 03, 12Jun 26, 14[F16J]
2014/0126,994 RADIAL GAS EXPANDERAbandonedJan 06, 12May 08, 14[F01D]
2013/0164,119 SEAL STRUCTURE AND CENTRIFUGAL COMPRESSORAbandonedSep 09, 11Jun 27, 13[F04D]
2012/0134,797 MULTI-STAGE RADIAL TURBINEAbandonedSep 30, 10May 31, 12[F01D]

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