Inventor
KAIM JOHN W
US19 patents
Patents
19 patentsUS4206849AJun 10, 1980
Tail portion for railroad car coupler knuckle
AMSTED IND INC73 citations96
US5472223ADec 5, 1995
Air operated fifth wheel
AMSTED IND INC35 citations92
US5368324ANov 29, 1994
Mounting system for fifth wheels
AMSTED IND INC49 citations92
US5176396AJan 5, 1993
Fifth wheel unlocking device with fluid powered redundancy
AMSTED IND INC28 citations92
US5165714ANov 24, 1992
Tractor fifth wheel with bearing plate lubricating liner
AMSTED IND INC38 citations92
US5000330AMar 19, 1991
Railway vehicle rotary drawbar arrangement
AMSTED IND INC25 citations92
US4946052AAug 7, 1990
Gravity wedge for slackless railcar connections
AMSTED IND INC27 citations92
US4700853AOct 20, 1987
Slackless railway coupler connection
AMSTED IND INC42 citations92
US4456133AJun 26, 1984
Slackless railway coupler connection
AMSTED IND INC38 citations92
US6199889B1Mar 13, 2001
Reduced weight fifth wheel assembly
AMSTED IND INC26 citations91
US4466546AAug 21, 1984
Bottom shelf coupler with anticreep protection means
AMSTED IND INC19 citations82
US4363414ADec 14, 1982
Type-E railroad car coupler head
AMSTED IND INC20 citations82
US4333576AJun 8, 1982
Carrier assembly for use with a rotary railroad coupler system
AMSTED IND INC20 citations82
US4172530AOct 30, 1979
Roll-over lock protection for railroad car coupler
AMSTED IND INC13 citations74
US4674639AJun 23, 1987
Railway coupler carrier retention system
AMSTED IND INC7 citations73
US4537304AAug 27, 1985
Railway, coupler yoke, draft gear and follower assembly
AMSTED IND INC12 citations73
US4230228AOct 28, 1980
Pin type solid butt rotary coupler
AMSTED IND INC15 citations73
US5941549AAug 24, 1999
Fifth wheel kingpin deflector and catcher
AMSTED IND INC3 citations62
US5865458AFeb 2, 1999
Reduced weight fifth wheel assembly
AMSTED IND INC4 citations61