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WIDMER CHRISTIAN

Overview
  • Total Patents
    43
About

WIDMER CHRISTIAN has a total of 43 patent applications. Its first patent ever was published in 1908. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, chemical engineering and biotechnology are WALTER SCHMID AG, GHD INC and PROPIORGA.

Patent filings per year

Chart showing WIDMER CHRISTIANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Widmer Christian 39
#2 Hartmann Rudolf 20
#3 Stehle Wolfgang 5
#4 Wuethrich Hans 5
#5 Wellinger Artur 4
#6 Hartman Rudolf 3
#7 Wuthrich Hans 3
#8 Wirz Gabrielle 2
#9 Schaell Paul 2
#10 Widmer 1

Latest patents

Publication Filing date Title
WO2008049582A2 Method of supplying diapers to homes or institutions, for example private households, hospitals, care homes or old people's homes
DE102007049962A1 Treatment process and plant for carrying out the process
TNSN06399A1 Material solubiliser reactor for hydrolysis and/or wet fermentation and waste teatment plant with such a solubiliser and reactor
DE102006009165A1 Waste material e.g. residual waste treatment method, involves converting and washing organic constituents in waste materials without aeration in reactor, and removed solid from organic
WO2006089766A1 Method and reactor for the biological preparation of waste products containing organic matter
DE102005053571A1 Process for the treatment of waste and waste treatment plant
DE102005026027A1 Process and assembly to treat organic household waste prior to disposal in a sequence of reactors in which they are hydrolysed and/or fermented under moist conditions
EP1753538A2 Material solubiliser reactor for hydrolysis and/or wet fermentation and waste treatment plant with such a solubiliser and reactor
CN101065188A Material solubiliser reactor for hydrolysis and/or wet fermentation and waste treatment plant with such a solubiliser and reactor
MY134220A Press for dewatering a humid substance, in particular residual refuse
DE10143004A1 Press for dehumidifying wet goods, especially residual waste
WO0027954A1 Method for utilizing waste
DE19909328A1 Waste recovery operations
CA2244090A1 Process for the biological treatment of organic materials and apparatus for carrying out the process
DE19602489A1 Process for the biological treatment of organic materials and device for carrying out the process