Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Longwall mining machine

Longwall mining machine

US Patent 4183585 · Granted Jan 15, 1980

Estimated economic value: $1,366,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for filling containers2004
Method and apparatus for filling containers2004
Method and apparatus for filling containers2004
Method and apparatus for optically scanning a vehicle wheel2003