DEUTSCHE BABCOCK ENERGIE- UND UMWELTTECHNIK AKTIENGESELLSCHAFT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23D BURNERS 131

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5335608 Furnace lance for atomizing a coal-water suspensionApr 09, 93Aug 09, 94[F23D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5448957 Cylinder grateExpiredApr 22, 94Sep 12, 95[F23G, F23H]
5348572 Device for filtering hot and dusty gasesExpiredJul 28, 93Sep 20, 94[B01D]
5346533 Method of monitoring filter componentsExpiredJul 28, 93Sep 13, 94[B01D]
5338326 Device for monitoring filter componentsExpiredJul 02, 93Aug 16, 94[B01D]
5271243 Device for cooling hot gasesExpiredOct 27, 92Dec 21, 93[F28C, F28F]
5248316 Device for gasifying materials that contain carbonExpiredMay 22, 91Sep 28, 93[C10J]
5184782 Tublar millExpiredOct 08, 91Feb 09, 93[B02C]

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