Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the discharge of ash concentrate from a coal deashing system

Process for the discharge of ash concentrate from a coal deashing system

US Patent 4248692 · Granted Feb 3, 1981

Estimated economic value: $6,939,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plastic concrete form2002
Method for sequentially co-processing heavy hydrocarbon and carbonaceous materia1988
Multi-stage coal liquefaction and fractionation method1987
Coal liquefaction with coal tar solvent1986
Process for the separation of entrained organic fluids from gaseous streams in a1983
Operation of a coal deashing process1980
Operation of a coal deashing process1980
Process for improving soluble coal yield in a coal deashing process1980