Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cooled furnace head for heavy-current resistance furnaces

Cooled furnace head for heavy-current resistance furnaces

US Patent 4641321 · Granted Feb 3, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Joint threads carbon on graphite electrode1986