Learn more

COAL INDUSTRY PATENTS LTD

Overview
  • Total Patents
    3,116
About

COAL INDUSTRY PATENTS LTD has a total of 3,116 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets civil engineering, measurement and basic materials chemistry are COAL IND, JOY MM DELARE INC and EUGENIE MORGAN OLIVE.

Patent filings per year

Chart showing COAL INDUSTRY PATENTS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robinson Joseph Gordon 48
#2 Monks Harry 34
#3 Kimber Geoffrey Michael 31
#4 Kibble John Dunbar 28
#5 Martin David James Reginald 27
#6 Barnes David Ian 23
#7 Robinson Joseph G 23
#8 Hirst Arthur Algernon 22
#9 Mclaren James 19
#10 Boast Gordon Ernest 19

Latest patents

Publication Filing date Title
US5283914A Protective helmets
US5380563A Ceramic welding
ZA9204436B Protective helmets
US5236881A Coal extract hydrocracking catalyst
GB9126549D0 Sources of molecular radiation
GB9125714D0 Improvements relating to candle filter arrangements
GB9120006D0 Improvements relating to candle filter arrangements
GB9116860D0 Improvements in or relating to breathing apparatus
GB9113370D0 Improvements in or relating to ceramic welding
GB9113365D0 Improvements in or relating to ceramic welding
GB9113369D0 Improvements in or relating to ceramic welding
GB9108880D0 Improvements in or relating to boilers
GB9108507D0 Steering a mining machine
GB9027677D0 Improvements in or relating to powered helmet respirators
GB9027570D0 Reduction in methane emissions
GB9018283D0 Improvements in or relating to clay calcining
GB9018284D0 Improvements in or relating to limestone calcining
GB9003468D0 Steering a mining machine
GB9002955D0 Steering a mining machine
GB8927732D0 Improvements in or relating to filters