JFE ENGINEERING CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 4130
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION48
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 216
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 228
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 244
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 223

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0182,477 THERMO-SENSITIVE WATER ABSORBENT, METHOD OF WATER TREATMENT, AND WATER TREATMENT APPARATUSApr 10, 15Jun 29, 17[B01J, C02F, B01D]
2017/0102,100 BUCKLING PATTERN STEEL PIPEMay 15, 15Apr 13, 17[F16L]
2014/0202,364 METHOD OF WASTE MELTING TREATMENTMay 23, 12Jul 24, 14[F23G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9869410 Buckling pattern steel pipeMay 15, 15Jan 16, 18[F16L]
8505882 Diffuser apparatus, and diffuser apparatus running methodDec 25, 08Aug 13, 13[B01F]
8419969 Clathrate hydrate with latent heat storing capability, process for producing the same, and apparatus therefor, latent heat storing medium, and method of increasing amount of latent heat of clathrate hydrate and processing apparatus for increasing amount of latent heat of clathrate hydrateJun 29, 11Apr 16, 13[C09K]
8021553 Systems and methods for forward osmosis fluid purification using cloud point extractionDec 18, 08Sep 20, 11[C02F]
7993544 Clathrate hydrate with latent heat storing capability, process for producing the same, and apparatus therefor, latent heat storing medium, and method of increasing amount of latent heat of clathrate hydrate and processing apparatus for increasing amount of latent heat of clathrate hydrateAug 25, 10Aug 09, 11[C09K]
7967999 Heat storage substance, heat storage agent, heat reservoir, heat transport medium, cold insulation agent, cold insulator, melting point control agent for heat storage agent and supercooling preventive agent for heat storage agentJun 08, 06Jun 28, 11[C09K]
7875749 Clathrate hydrate containing quaternary ammonium salt as guest compoundSep 03, 09Jan 25, 11[C07C, F17C, F25D]
7322496 Brick body for rotary nozzleJun 25, 04Jan 29, 08[C21C]
7246506 Thermal storage medium using a hydrate and apparatus thereof, and method for producing the thermal storage mediumJan 05, 04Jul 24, 07[F25D]
6723441 Resin film laminated metal sheet for can and method for fabricating the sameSep 19, 00Apr 20, 04[B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0319,056 PROCESS FOR MANUFACTURING POTABLE WATER AND APPARATUS THEREFORAbandonedOct 31, 12Oct 30, 14[C02F, B01D]
2013/0119,304 CLATHRATE HYDRATE WITH LATENT HEAT STORING CAPABILITY, PROCESS FOR PRODUCING THE SAME, AND APPARATUS THEREFOR, LATENT HEAT STORING MEDIUM, AND METHOD OF INCREASING AMOUNT OF LATENT HEAT OF CLATHRATE HYDRATE AND PROCESSING APPARATUS FOR INCREASING AMOUNT OF LATENT HEAT OF CLATHRATE HYDRATEAbandonedJan 04, 13May 16, 13[C09K]
2013/0049,676 QUICK CHARGING DEVICE AND MOBILE CHARGING APPARATUSAbandonedFeb 18, 11Feb 28, 13[H02J]
2013/0020,983 RAPID CHARGERAbandonedJan 07, 11Jan 24, 13[H02J]
2012/0212,174 QUICK CHARGING DEVICEAbandonedAug 19, 10Aug 23, 12[H02J]
7776224 Apparatus for treating ballast water and method for treating ballast waterExpiredJun 02, 06Aug 17, 10[C02F]
2010/0187,467 Aqueous solution for formation of clathrate hydrate, heat storage agent, method for producing clathrate hydrate or its slurry, heat accumulating and radiating method and method for preparing aqueous solution to produce latent heat storage agent or its major componentAbandonedMar 25, 10Jul 29, 10[C09K]
2010/0001,228 Latent heat storage substance, clathrate hyrate or slurry thereof, method for producing clathrate hyrate or slurry thereof, and latent heat storage agentAbandonedSep 02, 09Jan 07, 10[C09K]
7625545 Process for producing carbon nanotubes by arc dischargeExpiredJun 30, 03Dec 01, 09[D01F]
2009/0266,106 Method and apparatus for producing clathrate hydrate slurry, and method for operating the same apparatusAbandonedJun 25, 09Oct 29, 09[C09K, F28D, F25D]
7560027 Method for treating wastewater and sludgeExpiredSep 13, 07Jul 14, 09[C02F]
7546937 Poured molten metal quantity control deviceExpiredDec 21, 04Jun 16, 09[C21C]
7541009 Apparatus for producing hydrate slurryExpiredMar 14, 03Jun 02, 09[F17C, B01J]
2006/0169,637 Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the sameAbandonedMar 30, 06Aug 03, 06[C02F]
2006/0120,953 Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gasAbandonedMar 05, 04Jun 08, 06[C01B]
7029580 Apparatus for concentrating sludgeExpiredMay 14, 02Apr 18, 06[C02F]
2005/0072,152 Hydrogen production method, hydrogen production apparatus, hydrogen supply facilities, nd method for generating electric powerAbandonedOct 27, 04Apr 07, 05[F01K]
2005/0059,846 Process for producing gas clathrate and production apparatusAbandonedNov 10, 04Mar 17, 05[C07C, G05D]
2004/0004,038 Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the sameAbandonedDec 16, 02Jan 08, 04[C02F]
2003/0233,894 Apparatus for measuring shape of pipeline and method thereforAbandonedMay 12, 03Dec 25, 03[F16L, G01B]

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