Inventor
PITCHFORD TERRY L
US9 patents
Patents
9 patentsUS5794538AAug 18, 1998
Railcar truck bearing adapter construction
AMSTED IND INC87 citations95
US5722327AMar 3, 1998
Device for improving warp stiffness of a railcar truck
AMSTED IND INC61 citations95
US5086707AFeb 11, 1992
Self adjusting constant contact side bearing for railcars
AMSTED IND INC57 citations95
US5746137AMay 5, 1998
Railcar truck bearing adapter construction
AMSTED IND INC70 citations94
US5921186AJul 13, 1999
Bolster land arrangement for a railcar truck
AMSTED IND INC51 citations92
US4892324AJan 9, 1990
Fifth wheel mounting pad
AMSTED IND INC29 citations92
US5806435ASep 15, 1998
Side bearings for truck bolsters
AMSTED IND INC47 citations91
US5749301AMay 12, 1998
Multi-rate vertical load support for an outboard bearing railway truck
AMSTED IND INC45 citations88
US5746136AMay 5, 1998
Dynamically stable, lightweight railcar support system
AMSTED IND INC4 citations60