ALSTOM ENERGY TECHNOLOGY AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 738
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 547
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 413
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B01D SEPARATION 1133
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES142
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9845953 Leakage reduction system in power plant operationsDec 11, 13Dec 19, 17[F23L, F28D, F23C, F23D]
9644899 Heating element undulation patternsJun 01, 11May 09, 17[F23L, F28D, F28F]
9598742 Exhaust processing and heat recovery systemMar 16, 10Mar 21, 17[F23J, F23L, F27D, C21C, B01D, C21B]
9579702 Roller for forming heat transfer elements of heat exchangersJan 28, 13Feb 28, 17[F28F, B21D, B21B]
9557119 Heat transfer sheet for rotary regenerative heat exchangerMay 08, 09Jan 31, 17[F28D, F28F]
9534850 Tube bundle heat exchangerJan 19, 07Jan 03, 17[F28D, F28F]
9448015 Heat transfer element for a rotary regenerative heat exchangerDec 04, 13Sep 20, 16[F23L, F28D, F28F]
9200853 Heat transfer assembly for rotary regenerative preheaterAug 23, 12Dec 01, 15[F28D, F28F, B21D]
9170055 Tube bundle heat exchanger for controlling a wide performance rangeSep 18, 09Oct 27, 15[B60H, F28D, F28F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0042,211 METHOD AND SYSTEM FOR WELDING CONDUITSAbandonedAug 05, 13Feb 13, 14[B23K]
2013/0161,475 VIBRATION DAMPENING BASE ASSEMBLY FOR A GRINDING MILLAbandonedDec 21, 11Jun 27, 13[F16F]
2013/0160,968 ROTARY REGENERATIVE HEAT EXCHANGERAbandonedDec 08, 12Jun 27, 13[F28D]
2011/0303,135 REGENERATIVE AIR PREHEATER DESIGN TO REDUCE COLD END FOULINGAbandonedJun 14, 10Dec 15, 11[F23L, F23N, F28D]
2010/0181,043 REGENERATIVE AIR PREHEATER WITH BRUSH SEALAbandonedJul 18, 07Jul 22, 10[F23L, F16J]
2009/0095,440 METHOD FOR OPTIMISED OPERATION OF AN AIR PREHEATER AND AIR PREHEATERAbandonedFeb 23, 07Apr 16, 09[F28D, G05D]

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