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COAL IND

Overview
  • Total Patents
    737
About

COAL IND has a total of 737 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United Kingdom, South Africa and Japan. Its main competitors in its focus markets civil engineering, chemical engineering and measurement are COAL INDUSTRY PATENTS LTD, CHARBONNAGES DE FRANCE and SHENHUA SHENDONG COAL GROUP CORP LTD.

Patent filings in countries

World map showing COAL INDs patent filings in countries

Patent filings per year

Chart showing COAL INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robinson Joseph Gordon 14
#2 Robertson Andrew John 11
#3 Mccaffrey David John Alexander 10
#4 Howie Robin Middlemass 7
#5 Price D 7
#6 Robinson J 7
#7 Syred Nicholas 6
#8 Barnes David Ian 6
#9 Nursaw Roger Michael 6
#10 Sheppard John Peter 6

Latest patents

Publication Filing date Title
GB9318636D0 Respiratory protective equipment
GB9312719D0 Electronic apparatus and methods for electromagnetic communications
GB9302771D0 Improvements in or relating to respiratory protective equipment
GB9301620D0 Improvements in or relating to open fires
GB9508841D0 Optically sensing gaseous molecular species
GB9226041D0 A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixture
GB9224728D0 Improvements relating to ceramic candle filter arrangements
GB9215082D0 Strata movement indicator
JPH0617303A Protective helmet
GB9111267D0 Improvements in or relating to underground mining systems
GB9107911D0 A method and apparatus for sox reduction in boilers
GB9105296D0 Strata movement indicator
GB9102837D0 Steering a mining machine
GB9027569D0 Improvements in or relating to the repair of boreholes
GB9021471D0 Device and method for material discharge
GB9015380D0 Improvements in or relating to the discharge of discrete materials
GB9011066D0 Gas filter elements
GB9002953D0 Shearer transporter arrangement
GB9002956D0 Steering a mining machine
GB8927252D0 Improved ceramic welding process