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ELLAMS DUPLICATOR COMPANY LTD

Overview
  • Total Patents
    11
About

ELLAMS DUPLICATOR COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom, Canada and Germany. Its main competitors in its focus markets textiles and paper and basic materials chemistry are WASHIN KAGAKU KOGYO KK, NAIGAI INK MFG CO LTD and MITSUBISHI HITEC PAPER EUROPE.

Patent filings in countries

World map showing ELLAMS DUPLICATOR COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Canada 2
#3 Germany 1
#4 Denmark 1
#5 United States 1

Patent filings per year

Chart showing ELLAMS DUPLICATOR COMPANY LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper
#2 Basic materials chemistry

Focus technologies

# Technology
#1 Printing processes
#2 Coating compositions

Top inventors

# Name Total Patents
#1 Ellam Frederick 3
#2 Armitage Norman Andrew 3
#3 Eccles Henry 2
#4 Frederick Ellam 1
#5 Armitage Norman A 1

Latest patents

Publication Filing date Title
GB1243995A Improvements in or relating to contact sheets or foils
US3034428A Copying processes
GB864054A Improvements in or relating to copying processes
GB880473A Thixotropic ink
GB844364A Improvements in or relating to copying processes
GB748265A Improvements in or relating to spirit duplicating carbon sheets
GB609914A Improvements in or relating to carbon paper
CA552652A Spirit duplicating carbon sheets
CA688148A Copying processes