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JAMES THOMAS MITCHELL JOHNSTON

Overview
  • Total Patents
    34
About

JAMES THOMAS MITCHELL JOHNSTON has a total of 34 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, Germany and Ireland. Its main competitors in its focus markets civil engineering, basic materials chemistry and transport are LIMMER & TRINIDAD LAKE ASPHALT, POWERAY INFRARED CORP and LINNHOFF EDUARD MASCHF.

Patent filings in countries

World map showing JAMES THOMAS MITCHELL JOHNSTONs patent filings in countries
# Country Total Patents
#1 United Kingdom 23
#2 Germany 8
#3 Ireland 3

Patent filings per year

Chart showing JAMES THOMAS MITCHELL JOHNSTONs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB531915A Improvements in apparatus for making and repairing roads or like surfaces
GB531914A Improvements in apparatus for making and repairing roads or like surfaces
GB424363A Improvements in or relating to road-making or repairing apparatus having a tar or other liquid container
GB425631A Improvements in or relating to heating devices for road and like surfaces
GB426000A Improvements in apparatus for distributing and/or levelling road-making materials onroads or the like
GB422842A Improvements in or relating to road-making and-repairing apparatus
GB420369A Improvements in or relating to road making and repairing appliances
GB391359A Improvements in apparatus for laying pipes in sections
IE12712L Bitumen heaters.
GB376313A Improvements in or relating to apparatus for distributing sand or the like over roads or other surfaces
IE11819L Road surfaces.
IE11795L Road surfaces
GB359941A Improvements in or relating to apparatus for heating bitumen, tar or the like
GB348190A Improvements in or relating to apparatus for scattering sand or the like over roads or other such surfaces
GB347759A Improvements in or relating to apparatus for treating roads and other surfaces
GB332662A Improvements in or relating to apparatus for distributing liquid bitumen or the like
GB305964A Improvements in or relating to apparatus for lifting barrels and the like
GB300788A Improvements in or relating to barrel-discharging apparatus
GB299000A Improvements in or relating to apparatus for use in making and repairing roads and the like
GB297873A Improvements in or relating to portable tar-boiling apparatus and the like