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CHARLES BELL WALKER

Overview
  • Total Patents
    19
About

CHARLES BELL WALKER has a total of 19 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United Kingdom, Australia and France. Its main competitors in its focus markets engines, pumps and turbines, control and electrical machinery and energy are BROTHERHOOD PETER, NAKANO KOJI and RAMBERT SA.

Patent filings in countries

World map showing CHARLES BELL WALKERs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 Australia 1
#3 France 1

Patent filings per year

Chart showing CHARLES BELL WALKERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Bell Walker 1
#2 Walker Charles Bell 1

Latest patents

Publication Filing date Title
GB583008A Improvements in or relating to pumps
GB571216A Improvements in or relating to tyres for vehicle wheels
GB567103A Improvements in or relating to apparatus for use in distilling liquids, particularlysea water, particularly for ships' lifeboats and the like
GB519298A Improvements in or relating to moulding compositions
GB484479A Improvements in pumps
GB484396A Improvements in or relating to regulating apparatus for dynamo electric systems
GB453918A Improvements in or relating to thermostatically controlled valve devices
GB443424A Improvements in or relating to thermostatically-operated valve control devices
GB440111A Improvements in or relating to thermostatically-operated valve control devices
GB438617A Improvements in or relating to thermostatically-controlled electromagnetic switch-operating devices
GB392539A Improvements in apparatus for generating heat by the combustion of liquid or gaseous fuel
GB383654A Improved means for regulating or controlling the calorific value of mixed gases
GB378966A Improved means for use in controlling the timing of ignition or the mixture in internal combustion engines
GB375035A Improvements relating to thermally controlled louvres for the radiators of motor vehicle and other internal combustion engines
GB349113A Improvements in or relating to traffic control signalling devices
GB305962A Novel or improved device for automatically controlling the shutters or louvres of a radiator for use with an internal combustion engine
GB290808A Improvements in, or relating to, electric starting apparatus for internal combustion engines
AU1745410B Improvements connected withthe generation, storage, and use of electric power particularly for lighting purposes