Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Center plate for railcars

Center plate for railcars

US Patent 6138577 · Granted Oct 31, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for reinforcing railway tank cars2011
Protective housing assembly for a tank car manway2010
Protective housing assembly for a tank car manway2010
Security device and method to prevent unauthorized discharge of contents from a 2005
Method and apparatus for securing a tank to a tank car sill1995
Method and apparatus for monitoring a flowable material in a transportable vesse1994
Outlet valve assembly with an extended handle for a railway tank car1990
Combination bottom outlet saddle and sump1990
Mining method and system1984
Cross-pit conveyor1984