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ELISEE CHARLES DUHAMEL

Overview
  • Total Patents
    31
About

ELISEE CHARLES DUHAMEL has a total of 31 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom, Germany and Austria. Its main competitors in its focus markets textiles and paper, basic materials chemistry and chemical engineering are WOOL CLEANING TECH LTD, BRUNO POSSANNER VON EHRENTHAL and NESSEL ANBAU GES M B H.

Patent filings in countries

World map showing ELISEE CHARLES DUHAMELs patent filings in countries
# Country Total Patents
#1 United Kingdom 21
#2 Germany 7
#3 Austria 3

Patent filings per year

Chart showing ELISEE CHARLES DUHAMELs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB683602A Improvements in the treatment of ramie and like textile fibres
GB399826A Process of and apparatus for purifying liquids which have been used for washing textile materials
GB394942A Improvements in or relating to the separation of suspended particles from liquids
DE584830C Process for the recycling of washing fluids
DE553002C Process for oiling non-fibrous material
DE530149C Method of treating fibrous plants
GB330649A Process for extracting or recovering useful products from nonfibrous materials
GB307360A Process for obtaining fibres from fibrous vegetable material
DE526351C Procedure for washing raw wool in your own wool sweat
GB307199A Process of washing or cleaning wool
GB258615A Process of washing or cleaning wool
DE540389C Procedure for washing raw wool in your own wool sweat
GB251669A Process of washing or cleaning wool
GB247092A Improvements in centrifugal apparatus
GB258895A Process of and apparatus for washing or otherwise treating wool and other fibrous textile materials
GB234488A Apparatus for washing wool and other material
GB259969A Process of and apparatus for washing, cleaning or otherwise treating wools, silk, soiled fabrics or other fibrous textile materials
GB234055A Process of washing or cleaning wool, silk, soiled fabrics and the like fibrous textile materials
GB256635A Process of washing or cleaning wool
GB230808A Process of and apparatus for washing or otherwise treating wool and other fibrous textile materials