VON ROLL UMWELTTECHNIK AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
B09B DISPOSAL OF SOLID WASTE 110
 
  
 
F23H GRATES 14
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 120
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8156819 Method for checking a knocking deviceMay 12, 09Apr 17, 12[G01N]
7857889 Method for purifying exhaust gases from a waste incineration plantFeb 29, 08Dec 28, 10[B01D]
7845291 Control method for waste incineration plants with auxiliary burner operationNov 17, 06Dec 07, 10[F23G, F23N, B09B]
7595033 Regeneration of nt-scr catalystsJun 21, 07Sep 29, 09[B01D]
6938561 Device for producing a rotating flowAug 30, 00Sep 06, 05[0000]
5617801 Cooled grate blockNov 17, 95Apr 08, 97[F23H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7424856 Grate element for a grate of a waste combustion installationExpiredAug 22, 03Sep 16, 08[F23H]
7343866 Waste-throughput limiting controlExpiredOct 26, 05Mar 18, 08[F23G]
6752093 Method for operating a refuse incineration plantExpiredAug 08, 02Jun 22, 04[F23G, F23K, F23N]
6655955 Coolable arched roofExpiredDec 31, 02Dec 02, 03[F27D]
6513445 Plant and grate block for the thermal treatment of waste materialsExpiredAug 17, 00Feb 04, 03[F23H]
6425336 Grate trough as part of a grate for a plant for the thermal treatment of wasteExpiredMay 16, 01Jul 30, 02[F23H, F23K, B21D]
6382112 Chute of a feed system for a refuse incineration plant having a cutting apparatusExpiredAug 28, 00May 07, 02[F23G]
6290752 Device and process for adsorption or chemisorption of gaseous constituents from a gas flowExpiredOct 14, 99Sep 18, 01[B01D]
6237808 Method and device for emptying a drum filled with solidsExpiredNov 01, 99May 29, 01[B65B]
6117405 Process for removing nitrogen oxides from flue gasesExpiredJun 22, 98Sep 12, 00[B01D]
5925165 Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plantsExpiredMay 22, 96Jul 20, 99[F23J, F27D, C21B]
5915311 Process for the thermal treatment of waste materialExpiredOct 24, 96Jun 29, 99[F23J]
5878677 Process for cooling and cleaning flue gasesExpiredOct 24, 96Mar 09, 99[F23J]
5836258 Method and apparatus for incinerating waste material using oxygen injectionExpiredOct 19, 95Nov 17, 98[F23G]
5797336 Process for the combustion of waste material with production of thermal energyExpiredOct 24, 96Aug 25, 98[F23J]
5775238 Cooled grate blockExpiredMay 17, 96Jul 07, 98[F23H]
5771820 Method for the thermal treatment of waste material, particularly refuse, and a rotary tubular furnace for applying the methodExpiredSep 28, 95Jun 30, 98[F23G]
5765489 Process for the treatment of solid residue from refuse incineration plants, and apparatus for performing the processExpiredNov 27, 95Jun 16, 98[F23J]
5749309 Process and apparatus for the thermal production of energy from waste material, particulary refuseExpiredMay 11, 95May 12, 98[F23G]
5592151 Fire monitoring systemExpiredMar 17, 95Jan 07, 97[G08B]

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