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W & E UMWELTTECHNIK AG

Overview
  • Total Patents
    18
About

W & E UMWELTTECHNIK AG has a total of 18 patent applications. Its first patent ever was published in 1981. It filed its patents most often in EPO (European Patent Office), Switzerland and Norway. Its main competitors in its focus markets environmental technology, thermal processes and materials and metallurgy are FUMIO MAEJIMA, MAEJIMA FUMIO and GOODRID INCINERATOR CO PTY LTD.

Patent filings in countries

World map showing W & E UMWELTTECHNIK AGs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 7
#2 Switzerland 3
#3 Norway 3
#4 United States 3
#5 Sweden 2

Patent filings per year

Chart showing W & E UMWELTTECHNIK AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zweifel Martin Rudolf 6
#2 Steiner Hansruedi 5
#3 Weber Hans 4
#4 Wikstroem Goeran 2
#5 Spreiter Daniel 2
#6 Stenkvist Sven-Einar 1
#7 Vaccani Amedeo 1
#8 Andersson Karl-Hugo 1
#9 Vaccani Amedeo C 1
#10 Buergin Markus E 1

Latest patents

Publication Filing date Title
EP0405375A1 Method for reducing the de novo synthesis of dioxins and furans
EP0391146A1 Combustion installation for burning fuel, in particular waste
EP0381946A1 Apparatus for refuse incineration and method for its operation
EP0363645A1 Deslagging device for combustion installations
EP0353491A1 Installation for burning special waste
CH663999A5 Regulating prodn. of steam from refuse-burning steam generator - correcting process control parameters by linear or higher order function dependent on refuse quality