Inventor
KAUFHOLD HORST T
US28 patents
Patents
28 patentsUS4434720AMar 6, 1984
Multi-rate side bearing for a railway truck
AMSTED IND INC68 citations96
US4167907ASep 18, 1979
Railway car truck friction damper assembly
AMSTED IND INC63 citations96
US6681943B2Jan 27, 2004
Railcar draft gear assembly and system
AMSTED IND INC52 citations94
US6446820B1Sep 10, 2002
Railcar draft gear assembly and system
AMSTED IND INC76 citations94
US5312007AMay 17, 1994
Slackless railway coupler with draft/buff gear
AMSTED IND INC72 citations94
US6360906B1Mar 26, 2002
Slackless railway coupler with buff/draft gear
AMSTED IND INC32 citations92
US5833086ANov 10, 1998
Alliance coupler lock lifter securing arm
AMSTED IND INC24 citations92
US5305899AApr 26, 1994
Coupler follower with elastomeric wear pad for preventing metal to metal contact between the follower and the center sill side walls
AMSTED IND INC48 citations92
US5115926AMay 26, 1992
Coupler member retention in a railway vehicle
AMSTED IND INC23 citations92
US5035338AJul 30, 1991
Slackless railcar connections with extractable wedge
AMSTED IND INC27 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
US4552074ANov 12, 1985
Primary suspension for railroad car truck
AMSTED IND INC69 citations92
US5582307ADec 10, 1996
Railway car coupler knuckle
AMSTED IND INC91 citations89
US5931101AAug 3, 1999
Light weight draft sill
AMSTED IND INC18 citations82
US5809899ASep 22, 1998
Draft sill and wheel truck connection
AMSTED IND INC18 citations81
US6324995B1Dec 4, 2001
Railway car center filler plate
AMSTED IND INC19 citations80
US6305298B1Oct 23, 2001
Light weight draft sill
AMSTED IND INC17 citations79
US5232106AAug 3, 1993
Railway drawbar with fabricated section
AMSTED IND INC7 citations74
US5002192AMar 26, 1991
Bearing arrangement for railway drawbar connection
AMSTED IND INC7 citations74
US4976362ADec 11, 1990
Pulling lug for railway vehicle coupler
AMSTED IND INC14 citations74
US6167813B1Jan 2, 2001
Tapered wear liner and articulated connector with tapered wear liner
AMSTED IND INC13 citations73
US5809898ASep 22, 1998
Ring seat removal system for a railcar articulate connector
AMSTED IND INC15 citations73
US5193699AMar 16, 1993
Center sill with short yoke member for converting from coupler to drawbar arrangement without modifying center sill
AMSTED IND INC10 citations73
US5133467AJul 28, 1992
Wedge shim and follower block for a railcar articulated connector
AMSTED IND INC8 citations72
US6305561B1Oct 23, 2001
Draft sill with locking center pin
AMSTED IND INC7 citations71
US5454475AOct 3, 1995
Lubrication means for slack-free railcar connections
AMSTED IND INC6 citations63
US5850929ADec 22, 1998
Ring seat removal system for a railcar articulated connector
AMSTED IND INC2 citations62