AE ENERGIETECHNIK GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
F22D PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS 19

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6235256 Process and device for the scrubbing acidic gasesMay 11, 98May 22, 01[C01B]
5775265 Cooling surface claddingApr 16, 97Jul 07, 98[F22B]
5189988 Process for starting up a heat exchanger system for steam generation and heat exchanger system for steam generationAug 13, 91Mar 02, 93[F22D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5759345 Process for treating sulphur-containing spent liquor using multi-stage carbonizationExpiredOct 05, 95Jun 02, 98[D21C]
5730838 Process for extracting pure, coarse grain silicic acid crystals from spent lyeExpiredJun 21, 96Mar 24, 98[D21C]
5643548 Drying and separating process and plantExpiredAug 09, 95Jul 01, 97[C01B, B01D]

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