Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sliding door and door guide arrangement for a railway passenger car compartment

Sliding door and door guide arrangement for a railway passenger car compartment

US Patent 4183179 · Granted Jan 15, 1980

Estimated economic value: $1,081,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Inflatable urinal for attachment to a toilet2005
Converted multiple hopper rail car and method for making same2003
Wood chip railway car constructed by converting a standard box car and method of1993
Sliding hopper outlet gate with plastic upper surface for smooth sliding and for1991
Hatch cover assembly1990
Hatch cover assembly1990
Integrated optic print head1990
Gutter anti-clogging device1989
Single axle railroad truck with frame improvements1989
Vehicle transporting railroad car with hinged deck section lock1988
Method of converting a hopper type of rail car to accept a wider output gate1987
Multiple hopper rail car with offset vertical weld from conversion1987