Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ballast hopper door control apparatus and method with independently and selectively actuated motors in response to uniquely coded signals

Ballast hopper door control apparatus and method with independently and selectively actuated motors in response to uniquely coded signals

US Patent 5311822 · Granted May 17, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Clamp assembly2017
Rail drilling station for a rail loading and unloading machine2016
Rail loading and unloading machine2016
Rail guide apparatus for a rail loading and unloading machine2016
Material transport and distribution consist with controlled gated hopper cars an2016
Automated track surveying and ballast replacement2015
System for guiding rails on a rail train2014
Automated track surveying and ballast replacement2014
Automated track surveying and ditching2013
System for guiding rails on a rail train2013
Clamp assembly2013
Rail train2012