Latching mechanism on coke oven doors
Leveler door for coke ovens
Leveling device for coke ovens
Levelling bar for coking ovens
Levelling device with an adjustable width
Lift-off device for oven chamber doors of a coke oven
Lifting apparatus
Lime addition to heavy crude oils prior to coking
Lining for protecting coke-oven-chamber doors from the heat...
Linked coke drum support
Loop pyrolysis process for organic solid wastes
Low severity delayed coking
Low severity fluid coking process
Low temperature carbonization process for coal hydrogenation...
Low temperature coal carbonization
Low temperature coal carbonization
Low temperature distillation of coal
Low-temperature carbonization/combustion process and...