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THORNYCROFT JOHN I & CO LTD

Overview
  • Total Patents
    161
About

THORNYCROFT JOHN I & CO LTD has a total of 161 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets transport, thermal processes and weapons are JOHN I THORNYCROFT AND COMPANY, BRP US INC and PETER MAURICE STAUNTON.

Patent filings in countries

World map showing THORNYCROFT JOHN I & CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 147
#2 France 4
#3 United States 4
#4 Austria 3
#5 Denmark 2
#6 Germany 1

Patent filings per year

Chart showing THORNYCROFT JOHN I & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mackie Robert 4
#2 Quirk Martin Richard 3
#3 Barford Valentine George 2
#4 Dack Walter Sydney 1
#5 Adams Geoffrey Turner 1
#6 Richard Quirk Martin 1
#7 Barnaby Sydney Walker 1
#8 Thornycroft John Edward 1

Latest patents

Publication Filing date Title
GB1137262A A device for the sequential operation of flow control valves
GB1058752A An improved method of and apparatus for controlling the ratio of fluid mixtures
GB979102A Improvements in and relating to the supply of liquid fuel in a finely divided state
GB738327A Improvements in or relating to liquid fuel burners
GB707638A Improvements in or relating to ships
GB646342A Improvements in or relating to switches for electrical circuits
GB639373A Improvements in or relating to ships' funnels
GB650697A Improvements in or relating to combine harvesters
GB646201A Improvements in or relating to cooling systems for internal combustion engines
GB628296A Improvements in or relating to control units, particularly for internal combustion engine installations
GB620667A Improvements in or relating to compressed air systems for vehicle brake operation
GB582794A Improvements in or relating to slipway cradles
GB580230A Improvements in or relating to propellers of navigable vessels
GB568249A Improvements in or relating to exhaust silencers for internal combustion engines formarine use
GB570700A Improvements in or relating to the circulation of water in water-tube steam boilers
GB562452A Improvements in or relating to apparatus for the remote control of engines and the like
GB554093A Improvements in the combustion chambers of oil engines
GB551603A Improvements in or relating to apparatus for the remote control of engines and the like
GB581805A Improvements relating to ship funnels
GB550530A Improved method and means for throwing depth charges