Assignee
VON ROLL UMWELTTECHNIK AG
US·26 granted patents·319 citations·filing 1994–2008
Top patents by PatentIndex Score
26 records- 0176US5765489AProcess for the treatment of solid residue from refuse incineration plants, and apparatus for performing the processVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Jun 16, 1998·33 cites·26 claims
- 0269US6117405AProcess for removing nitrogen oxides from flue gasesVON ROLL UMWELTTECHNIK AG·Filed 1998·Granted Sep 12, 2000·30 cites·10 claims
- 0369US5925165AProcess and apparatus for the 3-stage treatment of solid residues from refuse incineration plantsVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Jul 20, 1999·22 cites·25 claims
- 0467US5915311AProcess for the thermal treatment of waste materialVON ROLL UMWELTTECHNIK AG·Filed 1996·Granted Jun 29, 1999·27 cites·10 claims
- 0567US5512257AProcess for the treatment of flue particulatesVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Apr 30, 1996·21 cites·17 claims
- 0662US6382112B1Chute of a feed system for a refuse incineration plant having a cutting apparatusVON ROLL UMWELTTECHNIK AG·Filed 2000·Granted May 7, 2002·12 cites·20 claims
- 0760US7857889B2Method for purifying exhaust gases from a waste incineration plantVON ROLL UMWELTTECHNIK AG·Filed 2008·Granted Dec 28, 2010·7 cites·16 claims
- 0859US5592151AFire monitoring systemVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Jan 7, 1997·46 cites·18 claims
- 0952US7845291B2Control method for waste incineration plants with auxiliary burner operationVON ROLL UMWELTTECHNIK AG·Filed 2006·Granted Dec 7, 2010·2 cites·12 claims
- 1052US6290752B1Device and process for adsorption or chemisorption of gaseous constituents from a gas flowVON ROLL UMWELTTECHNIK AG·Filed 1999·Granted Sep 18, 2001·20 cites·14 claims
- 1151US6752093B2Method for operating a refuse incineration plantVON ROLL UMWELTTECHNIK AG·Filed 2001·Granted Jun 22, 2004·9 cites·19 claims
- 1251US6655955B2Coolable arched roofVON ROLL UMWELTTECHNIK AG·Filed 2002·Granted Dec 2, 2003·7 cites·21 claims
- 1350US7595033B2Regeneration of nt-scr catalystsVON ROLL UMWELTTECHNIK AG·Filed 2007·Granted Sep 29, 2009·2 cites·12 claims
- 1449US6938561B1Device for producing a rotating flowVON ROLL UMWELTTECHNIK AG·Filed 2000·Granted Sep 6, 2005·7 cites·18 claims
- 1548US5775238ACooled grate blockVON ROLL UMWELTTECHNIK AG·Filed 1996·Granted Jul 7, 1998·14 cites·14 claims
- 1646US6513445B1Plant and grate block for the thermal treatment of waste materialsVON ROLL UMWELTTECHNIK AG·Filed 2000·Granted Feb 4, 2003·5 cites·17 claims
- 1742US5771820AMethod for the thermal treatment of waste material, particularly refuse, and a rotary tubular furnace for applying the methodVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Jun 30, 1998·9 cites·21 claims
- 1839US7343866B2Waste-throughput limiting controlVON ROLL UMWELTTECHNIK AG·Filed 2005·Granted Mar 18, 2008·0 cites·19 claims
- 1939US6425336B1Grate trough as part of a grate for a plant for the thermal treatment of wasteVON ROLL UMWELTTECHNIK AG·Filed 2001·Granted Jul 30, 2002·1 cites·5 claims
- 2039US5749309AProcess and apparatus for the thermal production of energy from waste material, particulary refuseVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted May 12, 1998·9 cites·18 claims
- 2138US5617801ACooled grate blockVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Apr 8, 1997·12 cites·12 claims
- 2236US5797336AProcess for the combustion of waste material with production of thermal energyVON ROLL UMWELTTECHNIK AG·Filed 1996·Granted Aug 25, 1998·7 cites·19 claims
- 2335US5511496AMethod of recovering glass and metal from solid residues produced in refuse incineration plantsVON ROLL UMWELTTECHNIK AG·Filed 1994·Granted Apr 30, 1996·8 cites·16 claims
- 2428US7424856B2Grate element for a grate of a waste combustion installationVON ROLL UMWELTTECHNIK AG·Filed 2003·Granted Sep 16, 2008·0 cites·3 claims
- 2527US5836258AMethod and apparatus for incinerating waste material using oxygen injectionVON ROLL UMWELTTECHNIK AG·Filed 1995·Granted Nov 17, 1998·5 cites·16 claims
- 2622US6237808B1Method and device for emptying a drum filled with solidsVON ROLL UMWELTTECHNIK AG·Filed 1999·Granted May 29, 2001·4 cites·30 claims
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