Inventor
HEYDEN THOMAS J
US17 patents
⚠️ This page may combine multiple inventors who share the name “HEYDEN THOMAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AAA SALES & ENG
6 patentsUS7325567B2Feb 5, 2008
Pneumatic retarder acutator valve
AAA SALES & ENG12 citations81
US7306077B2Dec 11, 2007
Fail-safe, weight-responsive skate retarder
AAA SALES & ENG14 citations79
US7392887B2Jul 1, 2008
Bladder actuator for a railroad retarder
AAA SALES & ENG12 citations78
US8365876B2Feb 5, 2013
Air bladder actuator for railroad car retarder
AAA SALES & ENG6 citations62
US7530432B2May 12, 2009
Bladder-actuated railroad retarder
AAA SALES & ENG5 citations62
US7649350B2Jan 19, 2010
Railcar presence detector
AAA SALES & ENG6 citations54
HEYDEN THOMAS J
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