Inventor
REITZ GREGORY P
US5 patents
Patents
5 patentsUS8499900B1Aug 6, 2013
Electro-hydraulic railcar retarders for controlling the speed of a railcar
HEYDEN THOMAS J9 citations79
US8413770B1Apr 9, 2013
Systems and methods for retarding the speed of a railcar
HEYDEN THOMAS J7 citations79
US8079309B2Dec 20, 2011
Devices and systems for controlling travel of a railcar
HEYDEN THOMAS J6 citations69
US8485105B2Jul 16, 2013
Devices and systems for stopping travel of a railcar
HEYDEN THOMAS J3 citations59
US8485107B2Jul 16, 2013
Devices and systems for controlling travel of a railcar
HEYDEN THOMAS J3 citations58