Inventor
KAIS ALFRED
DE13 patents
⚠️ This page may combine multiple inventors who share the name “KAIS ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BUTZBACHER WEICHENBAU GMBH
12 patentsUS5590833AJan 7, 1997
Expansion joint for part of a railway track
BUTZBACHER WEICHENBAU GMBH21 citations91
US6177205B1Jan 23, 2001
Process for producing a permanent way component and such a component
BUTZBACHER WEICHENBAU GMBH19 citations80
US5222700AJun 29, 1993
Device for locking a switch blade
BUTZBACHER WEICHENBAU GMBH7 citations73
US5195703AMar 23, 1993
Device for locking a switch blade with a stock rail
BUTZBACHER WEICHENBAU GMBH17 citations73
US6068196AMay 30, 2000
Expansion joint for part of a railway track
BUTZBACHER WEICHENBAU GMBH13 citations72
US5605281AFeb 25, 1997
Rail support system
BUTZBACHER WEICHENBAU GMBH9 citations72
US5522570AJun 4, 1996
Rail section
BUTZBACHER WEICHENBAU GMBH9 citations72
US6543728B1Apr 8, 2003
Cross frog
BUTZBACHER WEICHENBAU GMBH9 citations71
US4925135AMay 15, 1990
Arrangement for controlled guidance of a wheel axle or of a bogie of a rail vehicle passing over points
BUTZBACHER WEICHENBAU GMBH12 citations71
US5158414AOct 27, 1992
Rail attaching device permitting longitudinal rail displacement
BUTZBACHER WEICHENBAU GMBH6 citations62
US5645216AJul 8, 1997
Bearing for a part of a railroad track
BUTZBACHER WEICHENBAU GMBH6 citations61
US6270018B1Aug 7, 2001
Track or method for aligning a rail track section
BUTZBACHER WEICHENBAU GMBH0 citations46