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HENDERSON DOUGLAS

Overview
  • Total Patents
    11
About

HENDERSON DOUGLAS has a total of 11 patent applications. Its first patent ever was published in 1913. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets packaging and shipping, measurement and pharmaceuticals are LOADSENSE TECHNOLOGIES CORP, GOTO NORIO and LAGNEAU JEAN HENRI.

Patent filings in countries

World map showing HENDERSON DOUGLASs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 United Kingdom 3
#3 United States 3
#4 South Africa 1

Patent filings per year

Chart showing HENDERSON DOUGLASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henderson Douglas 8
#2 Frank Mclaughlin 1

Latest patents

Publication Filing date Title
GB515370A Improvements in collapsable tubular containers
GB505066A Improvements in collapsible tubular containers
US2109397A Closure for collapsible tubes and containers
CA159811A Ice tongs
US1140592A Ice-tongs.
US1107422A Weighing attachment for ice-tongs.
CA371723A Tube or container closure
CA389826A Paper container
CA373424A Container