Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of operating a blast furnace to extract carbonaceous oil and gas from bituminous materials

Method of operating a blast furnace to extract carbonaceous oil and gas from bituminous materials

US Patent 4495054 · Granted Jan 22, 1985

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Blast furnace with narrowed top section and method of using2000
Multi-purpose zone controlled blast furnace and method of producing hot metal, g1983