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VON ROLL UMWELTTECHNIK AG

Overview
  • Total Patents
    252
About

VON ROLL UMWELTTECHNIK AG has a total of 252 patent applications. Its first patent ever was published in 1991. It filed its patents most often in EPO (European Patent Office), Japan and United States. Its main competitors in its focus markets environmental technology, thermal processes and chemical engineering are SHANGHAI SUS ENVIRONMENT CO LTD, GUANGZHOU HUANTOU DESIGN AND RES INSTITUTE CO LTD and CHEN SHIMIN.

Patent filings per year

Chart showing VON ROLL UMWELTTECHNIK AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rueegg Hans 53
#2 Frey Ruedi 34
#3 Frey Rudolf 32
#4 Mueller Patrick 31
#5 Hugentobler Ernst 29
#6 Ungricht Thomas 25
#7 Forsberg Stefan 25
#8 Brennwald Werner 24
#9 Mercx Josef 20
#10 Koller Felix 19

Latest patents

Publication Filing date Title
WO2009087100A1 Method for purifying exhaust gases
JP2008212925A Method for cleaning exhaust gases in waste incinerator plant
US2008089822A1 Regeneration of nt-scr catalysts
US2006090679A1 Waste-throughput limiting control
CH696425A5 Method of removing harmful organic material from flue dust of waste incineration units useful in waste disposal technology involves flotation of flue dust in pH 3-6 aqueous liquid with flotation agent and separation of foam produced
EP1380804A1 Cooling device for a smelting furnace, smelting furnace with such a cooling device and cooling method for a smelting furnace
EP1323980A1 Cooled crown
EP1394468A1 Grate element for an incinerator grate
EP1191282A1 Cooled grate bar
EP1219898A1 Grate block as part of a grate for a waste incineration plant
CH694823A5 A method for operating an incinerator.
CH695705A5 Grate trough as part of a grate for a plant for thermal treatment of waste.
TW455667B Chute of a feed system for a refuse incineration plant having a cutting apparatus
CZ20002737A3 Regeneration process of catalyst filters and apparatus for making the same
CH694405A5 Burner for the generation of high process temperatures by combustion of a fluid or fluidized fuel with an oxygen-containing gas.
TW457354B Plant and grate block for the thermal treatment of waste materials
EP1069191A1 Tapping apparatus and method
EP1072302A1 Method and apparatus for regenerating catalysts
EP1035048A1 Device for dividing a flow of particulate solids into partial flows
US6290752B1 Device and process for adsorption or chemisorption of gaseous constituents from a gas flow