Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Overburden excavator

Overburden excavator

US Patent 4848844 · Granted Jul 18, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of excavating overburden in surface mining operations1986
Cross-pit conveyor1984
Transport apparatus for heavy open-cast working equipment1981