CHANGZHENG ENGINEERING CO., LTD.

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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 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C10J PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES 120
 
  
 
F23D BURNERS 131
 
  
 
F23K FEEDING FUEL TO COMBUSTION APPARATUS 110
 
  
 
F23M CONSTRUCTIONAL DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR 115
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 120
 
  
 
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 124
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9809771 Carbonaceous substance gasification device and methodNov 21, 14Nov 07, 17[C01B, C10J]
9541283 Fuel distribution device and a burnerDec 24, 09Jan 10, 17[F23K, F23D]
9115933 Flame detection deviceDec 30, 09Aug 25, 15[G01J, F23M, F23N, F27D]
8801813 Highly efficient, clean and pressurized gasification apparatus for dry powder of carbonaceous material and method thereofDec 25, 09Aug 12, 14[B01J]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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