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COLT VENTILATION & HEATING LTD

Overview
  • Total Patents
    74
About

COLT VENTILATION & HEATING LTD has a total of 74 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets thermal processes, civil engineering and engines, pumps and turbines are COLT INT GMBH, COLT INT LTD and NUAIRE LTD.

Patent filings in countries

World map showing COLT VENTILATION & HEATING LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 25
#2 Canada 12
#3 France 12
#4 United States 10
#5 Germany 6
#6 Netherlands 4
#7 Sweden 2
#8 Austria 1
#9 Denmark 1
#10 Ireland 1

Patent filings per year

Chart showing COLT VENTILATION & HEATING LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lambie Howard Russell 8
#2 O'Hea Jerome 7
#3 Fielding Eric 6
#4 Wilson Alfred 5
#5 Russell Lambie Howard 5
#6 Burtenshaw Raymond Alfred Fran 5
#7 Rampley Kenneth Douglas 4
#8 Burtenshaw Raymond A F 4
#9 Cowtan Brian Michael 4
#10 Lambie Howard R 4

Latest patents

Publication Filing date Title
US3500059A Rain detecting device
GB1156918A Improvements relating to Burner Assemblies
GB1087310A Improvements in or relating to automatic alarm systems
GB1139295A Improvements in or relating to fastenings
GB1151191A Improvements in or relating to Ventilators
GB1138195A Improvements in or relating to moisture-sensitive devices
GB1078604A Improvements in or relating to ventilators
GB1124092A Improvements in or relating to ventilators
GB1126662A Improvements relating to heat generating apparatus
GB1115791A Improvements in or relating to ventilators
GB1115792A Improvements in or relating to ventilators
GB1115793A Improvements in or relating to ventilators
GB1116661A Improvements in or relating to ventilators
GB1116662A Improvements in or relating to ventilators
GB1094125A Improvements in or relating to ventilators
GB1061187A Improvements in or relating to ventilators
GB1061188A Improvements in or relating to ventilators
US3258052A Heat generators
IE28146L Roof ventilator
GB1061186A Improvements in or relating to ventilators