Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Quick fill/empty tank car system

Quick fill/empty tank car system

US Patent 4212333 · Granted Jul 15, 1980

Estimated economic value: $571,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Railway hopper gate locking assembly1986
Uncoupling device which complies with AAR specification1985
Gravity outlet sliding gate seal1985
Sliding sill low friction supporting plate assembly1982
Bottom operable tank car lading valve assembly which does not require a skid1980