Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System for producing a powdery composition comprising coal products in a coal deashing process

System for producing a powdery composition comprising coal products in a coal deashing process

US Patent 4244812 · Granted Jan 13, 1981

Estimated economic value: $15,239,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Dynamic canine tracking method for hazardous and illicit substances2021
Dynamic canine tracking method for hazardous and illicit substances2018
Dynamic canine tracking method for hazardous and illicit substances2017
Dynamic canine tracking method for hazardous and illicit substances2015
Dynamic canine tracking method for hazardous and illicit substances2015
Durable pigmentary titanium dioxide and methods of producing the same1998
Megestrol acetate formulation1994
Process for producing a vapor mixture of titanium tetrachloride and aluminum tri1994
Method for adhesively bonding a rail-tie fastening assembly to a wooden railway 1992
Soot removal from exhaust gas1992
Compacts of spray dried water soluble compounds1992
Apparatus for soot removal from exhaust gas1991