Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for melting iron and steel scrap

Method and apparatus for melting iron and steel scrap

US Patent 4996694 · Granted Feb 26, 1991

Estimated economic value: $72,000 ⓘ

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plasma induced fuming2018
Iron reduction process and equipment2016
Process and apparatus for recovery of non-ferrous metals from zinc residues2013
Process and apparatus for recovery of non-ferrous metals from zinc residues2010
Battery recycling2007
Treatment of fly ash2000
Method of manufacturing a gas suitable for the production of energy1990
Method of recovering chemical from spent pulp liquors1990
Waste destruction1988
Recovering chemicals from spent pulp liquors1987
Recovery of chemicals from pulp waste liquor1987
Condensation of zinc vapor1987