EBARA INTERNATIONAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 857
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 717
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 7100
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS668
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 524
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 466
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 226
 
  
 
F03G SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR 217
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0283,824 Compact Configuration for Cryogenic Pumps and TurbinesApr 16, 13Oct 31, 13[F17C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879904 Liquefaction process for producing subcooled LNGMar 26, 15Jan 30, 18[F25J]
9631622 Inducer for centrifugal pumpAug 07, 13Apr 25, 17[F04D]
9593882 Three-way integrated Joule-Thomson valve and liquefied gas expanderMar 24, 14Mar 14, 17[F16K, F25J]
9461519 Thrust balancing device for cryogenic fluid pumpAug 01, 13Oct 04, 16[H02K, F16C, F04D, F01D]
9461520 Cryogenic liquid rotary machineryAug 01, 13Oct 04, 16[H02K, F16C, F04D, F01D]
9341085 Power recovery system using a rankine power cycle incorporating a two-phase liquid-vapor expander with electric generatorFeb 18, 15May 17, 16[H02K, F01K, F03B, F03G]
9341191 Thrust equalizing mechanism for cryogenic turbine generatorAug 01, 13May 17, 16[H02K, F16C, F04D, F01D]
9335092 Method of gas expansion using liquefied gas expander and integrated Joule-Thomson valveMar 24, 14May 10, 16[F16K, F25J]
8991208 Liquefaction process producing subcooled LNGMay 30, 13Mar 31, 15[F25J]
8963354 Power recovery system using a rankine power cycle incorporating a two-phase liquid-vapor expander with electric generatorJan 16, 14Feb 24, 15[F01K, F03B, F03G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0090,864 MULTI-FLUID CARGO PUMPSAbandonedSep 24, 15Mar 31, 16[F04D, F01D]
2015/0372,576 INDUCTION MOTOR SQUIRREL-CAGE ROTOR BAR RELIEFAbandonedJun 23, 14Dec 24, 15[H02K]
2011/0027,071 MULTI-STAGE INDUCER FOR CENTRIFUGAL PUMPSAbandonedAug 03, 10Feb 03, 11[F04D]
2010/0300,818 Shaft Holding System for Cryogenic Pumps or ExpandersAbandonedMay 26, 10Dec 02, 10[F16D]
2010/0269,540 Method to Liquefy Ammonia GasAbandonedApr 23, 10Oct 28, 10[F25J]
2009/0229,275 COMPACT CONFIGURATION FOR CRYOGENIC PUMPS AND TURBINESAbandonedAug 07, 06Sep 17, 09[F17C]
2009/0183,505 PARALLEL FLOW CRYOGENIC LIQUIFIED GAS EXPANDERSAbandonedJan 21, 09Jul 23, 09[F01D]
2009/0074,560 Thrust balancing device for cryogenic fluid machineryAbandonedFeb 10, 04Mar 19, 09[F01D]
2009/0031,754 METHOD AND APPARATUS TO IMPROVE OVERALL EFFICIENCY OF LNG LIQUEFACTION SYSTEMSAbandonedApr 23, 07Feb 05, 09[F25J, F02C]
2009/0031,755 Natural gas liquefaction process to extend lifetime of gas wellsAbandonedApr 15, 08Feb 05, 09[F25J, G06G]
2009/0004,032 Deswirl mechanisms and roller bearings in an axial thrust equalization mechanism for liquid cryogenic turbomachineryAbandonedFeb 02, 08Jan 01, 09[F04B, F04D, F01D]
2008/0122,226 Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumpsAbandonedNov 16, 07May 29, 08[F03B, F01D]
6213736 Electric motor pump with magnetic coupling and thrust balancing meansExpiredNov 28, 98Apr 10, 01[F04B]
6155076 Method to optimize thermodynamic expansion in gas liquefaction processesExpiredNov 16, 98Dec 05, 00[F25J]

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