Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace

Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace

US Patent 4913649 · Granted Apr 3, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Refractory tube wall lining for an incinerator2019
Shaft furnace1991