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ZENITH CARBURETTER CO LTD

Overview
  • Total Patents
    140
About

ZENITH CARBURETTER CO LTD has a total of 140 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets engines, pumps and turbines, machines and environmental technology are WHEELER SCHEBLER CARBURETER CO, USA ZAMA INC and CURTIS B CAMP.

Patent filings in countries

World map showing ZENITH CARBURETTER CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 29
#2 France 23
#3 United States 20
#4 Germany 17
#5 Sweden 16
#6 Australia 11
#7 Italy 11
#8 Canada 7
#9 Spain 4
#10 Japan 1
#11 Netherlands 1

Patent filings per year

Chart showing ZENITH CARBURETTER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ross Gray Ernest Donald 12
#2 Lawrence Geoffrey Lloyd 10
#3 Ross G E D 10
#4 Ullman Thomas James 7
#5 Ross Gray E D 6
#6 Lawrence G L 4
#7 Lawrence G 4
#8 Shadbolt Colin Francis 2
#9 Ullman Thomas J 2
#10 Lawrence Geoffrey L 2

Latest patents

Publication Filing date Title
GB2040360A Ic engine cold starting carburettor
US4255362A Accelerator pump control apparatus
GB2016602A Automatic choke with suctionoperated diaphragm pump
US4192277A Air/fuel ratio metering apparatus for use with an internal combustion engine
GB1583731A Cold start fuel/air mixture supply devices for internal combustion engines
GB1570442A Cold start fuel-air mixture supply devices for internal combustion engines
GB1581722A Fluid flow modulator valve assemblies
DE2716018A1 MIXTURE FEED DEVICE FOR COMBUSTION MACHINERY
US4069802A Cold starting devices
GB1576425A Cold start fuel/air mixture supply device for internal combustion engines
GB1539727A Spark ignition internal combustion engine installations
GB1485976A Fuel discharge nozzles in carburetters
GB1485977A Pivoted flap air valve carburetters
GB1485978A Pivoted flap air valve carburetters
CA1021649A Twin air valve carburetter
GB1484863A Cold start fuel/air mixture supply devices for internal combustion engines
GB1497792A Cold start fuel/air mixture supply devices for internal combustion engines
GB1472756A Air valve carburetters
GB1472972A Cold starting devices for internal combustion engines
GB1470882A Vented fuel storage means for carburetters for automobiles