[Class : 4] Gaseous And Liquid Fuels; Syngas; Liquid Hydrocarbons; Liquefied Petroleum Gas; Naphtha; Diesel Fuel; Jet Fuels; Lubricants; Other Hydrocarbon Based Products; Gaseous And Liquid Biofuels; Biodiesel; Coal; Coal Based Products In This Class; Coal Based Fuels; Fuel Oil; Industrial Oils; Oil Based Products In This Class.[Class : 7] Generators; Apparatus For Generating Electricity From Fuels; Gas Powered Generators.[Class : 11] Underground Coal Gasification Apparatus; Apparatus For Exhaustion And Transportation Of Gases; Gas Refining Apparatus; Apparatus For Converting Gases To Liquids; Gas Generators (Installations); Gas Heat Generators; Apparatus For Generating Heat From Fuels.[Class : 37] Extraction Services For The Production Of Petroleum Products And Gas Derived Products; Construction, Installation, Maintenance And Repair Of Power Stations And Other Energy And Power Generating Apparatus And Installations; Installation, Maintenance, Repair And Servicing Of Gas Supply And Distribution Apparatus And Instruments; Underground Coal Gasification Extraction Services; Oil Extraction Services, Including Enhanced Oil Recovery; Mining Extraction Services For The Production Of Petroleum Products And Gas Derived Products; Mining Extraction Of Coal And Coal Related Resources For The Production Of Petroleum Products And Gas Derived Products.[Class : 39] Transport; Distribution And Supply Of Gas And Liquefied Gas, Fuel And Electricity; Transport Of Gas By Pipeline; Transport, Distribution And Supply Of Oil And Coal.[Class : 40] Generation Of Power And Electricity; Production Of Gas And Liquified Gas; Preparing And Processing Of Fuels And Of Other Sources Of Energy; Gas Processing Services, Including The Processing Of Natural Gas And The Production Of Liquefied Natural Gas; Refinery Services For Production Of Petroleum Products And Gas Derived Products; Recovery, Processing And Treatment Of Coal And Coal Related Products; Recovery, Processing And Treatment Of Oil And Oil Related Products.[Class : 42] Design Of Energy And Power Systems; Analysis Relating To Energy And Power Needs Of Others; Development Of Energy And Power Management Systems; Project Studies And Professional Consultancy Services All Relating To Power And Energy Needs Of Others And Generation And Supply Of Power And Energy; Technical Consultancy In The Field Of Environmental Protection; Design Services For Power Plants; Advisory, Research And Development Services, All For Gas; Evaluation And Planning Of Energy Requirements For Others; Development Of Environmentally Friendly Forms Of Energy And Power.