Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for the drying and fine-grinding of coal

Method and apparatus for the drying and fine-grinding of coal

US Patent 4193554 · Granted Mar 18, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wear-resistant hard-surfacing for the rolls of high-pressure roll presses for si1998
Wear-resistant surface armoring for the rollers of roller machines, particularly1993
Method and apparatus for the manufacture of cement from raw cement meal1990
Method and apparatus for the thermal treatment of meal-like raw materials1988
Method and apparatus for burning combustible waste materials1987
Method and apparatus for the removal of harmful and waste materials by combustio1987
Method for the desulfurization of flue gas of a firing system1987
Method for the thermal treatment of calcareous mineral raw materials1986
Method for the manufacture of calcareous bonding agents, particularly cement1985
Method and apparatus for calcining fine grained material1985
Method for the thermal treatment of mineral raw materials1985
Apparatus for the calcination of fine grained material1985