ENN SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10J PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES 219
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 240
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 2172
 
  
 
B01D SEPARATION 1133
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
C10K PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE116
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 198

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9778719 Ubiquitous energy network for achieving optimized utilization of energy and method for providing energy transaction and serviceApr 29, 11Oct 03, 17[G06Q, G06F, G05D]
9690275 System energy efficiency controller, energy efficiency gain device and smart energy service system used for energy utilizationApr 29, 11Jun 27, 17[H02J, G05B]
9434967 Microbial culture medium and cultural methodSep 30, 13Sep 06, 16[C12P, C12N]
9436169 System energy efficiency controller in smart energy network, control method thereof, and control method for terminal deviceNov 04, 11Sep 06, 16[H02J, G06Q, G05B]
9382789 Oil shale exploitation methodDec 24, 12Jul 05, 16[E21B]
9333441 System and method for continuous extraction of materialAug 24, 10May 10, 16[B01D]
9011671 Coal processing method by using characteristics of sub-critical and supercritical waterDec 17, 09Apr 21, 15[C10L, C10J, C10G]
9000056 Method for producing methane by catalytic gasification of coal and device thereofSep 14, 10Apr 07, 15[C10L, C07C, C10K, C10J]
8759073 Method for effectively controlling harmful organisms in large-scale culture of microalgaeJul 26, 10Jun 24, 14[C12N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0155,464 Thermoelectric Structures and Devices Based on Topological InsulatorsAbandonedMar 12, 14Jun 04, 15[H01L]

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