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CRITTALL FRANCIS HENRY

Overview
  • Total Patents
    20
About

CRITTALL FRANCIS HENRY has a total of 20 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machine tools and machines are COLOMBO DANIEL, DALLAN SRL and SOULE STEEL COMPANY.

Patent filings in countries

World map showing CRITTALL FRANCIS HENRYs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 5
#3 United Kingdom 5
#4 Austria 2
#5 Switzerland 1
#6 Denmark 1

Patent filings per year

Chart showing CRITTALL FRANCIS HENRYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Crittall Francis Henry 19
#2 Francis Henry Crittall 1

Latest patents

Publication Filing date Title
CA141215A Window
CA141214A Window
US1025688A Manufacture of metal casements.
US1016916A Jointing metal sash-bars.
GB191107185A Improvements in the Manufacture of Metal Casements.
GB191106537A Improvements in Jointing Metal Sash Bars.
US1002228A Blank for making metallic window sashes and frames.
CA134668A Metal sash bar jointage
GB191007286A Improvements in Jointing Metal Sash Bars.
CA119260A Machine for manufacturing expanded metal
CA113819A Manufacture of expanded metal
US892938A Expanded metal.
US890126A Process of manufacturing expanded metal.
US890127A Machine for manufacturing expanded metal.
GB190801098A Improvements in the Manufacture of Expanded Metal and in Apparatus therefor.
GB190521083A Improvements in Apparatus for the Manufacture of Expanded Metal.