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GRAVINER COLNBROOK LTD

Overview
  • Total Patents
    71
About

GRAVINER COLNBROOK LTD has a total of 71 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets civil engineering, measurement and control are SICLI, GAOYOU SHENGXIN FIRE FIGHTING TECH CO LTD and ZAKRYTOE AKTSIONERNOE OBSHCHESTVO PROIZVODSTVENNOE OBEDINENIE SPETSAVTOMATIKA.

Patent filings in countries

World map showing GRAVINER COLNBROOK LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 23
#2 France 18
#3 Germany 10
#4 United States 10
#5 Australia 4
#6 Belgium 2
#7 Canada 1
#8 Switzerland 1
#9 Italy 1
#10 Sweden 1

Patent filings per year

Chart showing GRAVINER COLNBROOK LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mc Culloch A 4
#2 Coppen John David 3
#3 Hebblethwaite Peter Bruce 2
#4 Varney Peter Harry 2
#5 Bertram Collins Jack 2
#6 Abigail Walter Leonard 2
#7 Mcculloch Alister L 2
#8 Smith David John Victor 2
#9 Leonard Abigail Walter 2
#10 Boud Colin Gerald 2

Latest patents

Publication Filing date Title
US3741309A Automatic fire extinguisher systems
AU4443972A Improvements in automatic fire extinguishers
US3747557A Pressure-responsive apparatus
AU3496571A Improvements in automatic fire extinguishers
GB1381475A Apparatus for detecting smoke and like suspensions
GB1325908A Pressure-responsive apparatus
GB1352998A Apparatus responsive to a nonelectrical parameter
US3564916A Apparatus for measuring fluid flow
GB1300560A Improvements in or relating to fluid containers
GB1299352A Improvements in or relating to fluid containers
GB1270388A Improvements in or relating to detectors of smoke and the like
US3544459A Method of extinguishing fires
GB1193973A Improvements in Apparatus Responsive to Fluid Flow
GB1187373A Improvements in or relating to Explosive Cartridges
GB1190005A Improvements in or relating to Temperature Change Detecting Devices
GB1124881A Improvements relating to control circuit arrangements
GB1116877A Improvements relating to radiation detectors
GB1153133A Improvements in Temperature Change Detectors
GB1135394A Improvements in or relating to position sensitive apparatus
GB1110544A Improvements relating to radiation detectors