Toyo Engineering Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
B01D SEPARATION 2132
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 113
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0343,369 PROCESS FOR RECOVERING CARBON DIOXIDE FROM CONSTRUCTION EXHAUST GASJan 28, 14Dec 03, 15[B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8834142 Fluidized bed granulatorMay 09, 12Sep 16, 14[B01J]
8663995 Method for analyzing aqueous ammonium carbamate solution, and method for operating unreacted gas absorberMay 12, 10Mar 04, 14[G01N, F17D]
8622438 Piping systemOct 25, 11Jan 07, 14[F16L]
8492490 Apparatus for manufacturing polymer resin, polymerization vessel, and method for manufacturing polymer resinSep 18, 08Jul 23, 13[C08F, B01J, B01F]
7815874 ReactorMay 22, 08Oct 19, 10[F28D]
7052655 Urea synthesis process and apparatusAug 19, 02May 30, 06[B01J]
6518457 Urea synthesis processJul 22, 02Feb 11, 03[C07C]
6200540 Urea synthesis apparatusMay 10, 99Mar 13, 01[B01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0083,839 STRIPPER FOR SEPARATING PROCESS IN AROMATIC COMPONENT PROCESSING APPARATUS AND METHOD FOR OPERATING THE SAMEAbandonedSep 16, 13Mar 27, 14[B01D]
7727381 Hydrocracking catalyst and method of hydrocracking heavy oilExpiredJan 03, 07Jun 01, 10[C10G]
2008/0022,717 PROCESS AND APPARATUS FOR SEPARATION OF HYDROCARBONS FROM LIQUEFIED NATURAL GASAbandonedOct 02, 07Jan 31, 08[F25J]
RE33782 ValveExpiredApr 23, 90Dec 31, 91[F16K]
5035597 Apparatus for manufacturing multi-element sintered materialExpiredNov 02, 90Jul 30, 91[B29C]
4909809 Apparatus for the production of gasExpiredJul 07, 89Mar 20, 90[B01J]
4714593 Reforming apparatusExpiredMar 06, 87Dec 22, 87[B01J]
4501773 Granulation processExpiredJun 11, 82Feb 26, 85[B05D]
4466828 Process for smelting nickelExpiredNov 14, 83Aug 21, 84[C22B]
4371452 Process for hydrocarbon reforming and apparatus thereforExpiredDec 09, 81Feb 01, 83[C01B]
4349356 Process and apparatus for concentrating a component of a gaseous mixtureExpiredFeb 14, 80Sep 14, 82[B01D]
4336770 Waste heat boilerExpiredJul 21, 80Jun 29, 82[F22B]
4334096 Process for synthesizing ureaExpiredMar 24, 80Jun 08, 82[C07C]
4332211 Granule producing apparatusExpiredAug 04, 80Jun 01, 82[B05C]
4331451 Catalytic gasificationExpiredFeb 04, 80May 25, 82[C01B]
4321234 Chemical process and apparatus thereforExpiredDec 22, 80Mar 23, 82[F28D, B01J]
4315541 Device for scraping off deposits from internal surfaces of elongated tubesExpiredAug 29, 79Feb 16, 82[F28F]
4310253 Stirring methodExpiredMar 24, 80Jan 12, 82[B01F]
4285837 Catalyst for steam reforming of hydrocarbonsExpiredApr 09, 80Aug 25, 81[B01J]
4283890 Transportable bed for industrial equipmentExpiredJan 24, 79Aug 18, 81[E04B]

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