Inventor
POLLEY RICHARD B
US19 patents
⚠️ This page may combine multiple inventors who share the name “POLLEY RICHARD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BUCKEYE STEEL CASTINGS CO
7 patentsUS6550394B1Apr 22, 2003
Retractable auxiliary bumper for hydraulic or pneumatic railway suspensions
BUCKEYE STEEL CASTINGS CO25 citations92
US6079335AJun 27, 2000
Unsprung third rail collector beam support for a swing arm primary suspension railway truck
BUCKEYE STEEL CASTINGS CO20 citations92
US5947031ASep 7, 1999
Railway truck leveling valve arrangement for closer overall height control
BUCKEYE STEEL CASTINGS CO22 citations92
US5992330ANov 30, 1999
Railway vehicle suspension aligned truck
BUCKEYE STEEL CASTINGS CO40 citations89
US6543367B1Apr 8, 2003
Lightweight truck sideframe
BUCKEYE STEEL CASTINGS CO18 citations78
US6405657B1Jun 18, 2002
Railway truck with equalizer beam mounted disc brake caliper
BUCKEYE STEEL CASTINGS CO3 citations62
US6089165AJul 18, 2000
Railway truck with underslung equilizer beams
BUCKEYE STEEL CASTINGS CO0 citations39
ACF IND INC
5 patentsUS4114783ASep 19, 1978
Eduction pipe with guide sleeve and seal to draw liquid from the bottom and allow telescoping when tank top moves down under impact
ACF IND INC27 citations81
US4466356AAug 21, 1984
Full diameter head shield construction for railway tank car
ACF IND INC24 citations78
US4422473ADec 27, 1983
Tank ball valve having depending sleeve and handle attached to the sleeve
ACF IND INC9 citations73
US4394002AJul 19, 1983
Mounting flange for wafersphere bottom outlet valve
ACF IND INC16 citations73
US4219047AAug 26, 1980
Telescoping eduction pipe assembly with elastomeric boot
ACF IND INC15 citations73
GSI ENGINEERING INC
4 patentsUS4760799AAug 2, 1988
Lightweight railway vehicle truck
GSI ENGINEERING INC16 citations71
US5462139AOct 31, 1995
Cast bolt-on mounting bracket for supporting a disc brake on a railcar truck
GSI ENGINEERING INC12 citations70
US4851617AJul 25, 1989
Device for mounting third rail engaging equipment on railway trucks
GSI ENGINEERING INC4 citations60
US4771529ASep 20, 1988
Apparatus for tramming railway trucks
GSI ENGINEERING INC4 citations60