BHT SERVICES PTE. LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 9125
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 469
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 116
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7790120 Apparatus and method for controlled decomposition oxidation of gaseous pollutantsOct 25, 06Sep 07, 10[F01N]
7569193 Apparatus and method for controlled combustion of gaseous pollutantsDec 19, 03Aug 04, 09[B01D]
7138096 Method for decomposition oxidation of gaseous pollutantsNov 06, 01Nov 21, 06[B01D]
6845619 Integrated system and process for effluent abatement and energy generationDec 11, 02Jan 25, 05[F01K]
6824748 Heated catalytic treatment of an effluent gas from a substrate fabrication processJun 01, 01Nov 30, 04[F28D]
6775876 Chamber cleaning mechanismNov 13, 02Aug 17, 04[B08B, F22B]
6673323 Treatment of hazardous gases in effluentMar 24, 00Jan 06, 04[B01D]
6511641 Method for abatement of gaseous pollutantsJun 27, 01Jan 28, 03[B01J, B01D]
6464944 Apparatus and method for controlled decomposition oxidation of gaseous pollutantsJan 12, 99Oct 15, 02[F01N, B01D]
6423284 Fluorine abatement using steam injection in oxidation treatment of semiconductor manufacturing effluent gasesOct 18, 99Jul 23, 02[C01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8003067 Apparatus and methods for ambient air abatement of electronic manufacturing effluentExpiredMar 21, 08Aug 23, 11[B01D]

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