Assignee
BURLINGTON NORTHERN RAILROAD
US11 patents
Top patents by PatentIndex Score
US5574469ANov 12, 1996
Locomotive collision avoidance method and system
BURLINGTON NORTHERN RAILROAD114 citations88
US5481983AJan 9, 1996
Magnetic sweeper apparatus and method
BURLINGTON NORTHERN RAILROAD29 citations86
US5269225ADec 14, 1993
Apparatus and method for distributing and applying rail clips and insulators
BURLINGTON NORTHERN RAILROAD24 citations83
US4593536AJun 10, 1986
Carbon dioxide refrigeration system
BURLINGTON NORTHERN RAILROAD43 citations81
US5584939ADec 17, 1996
Method for cleaning rail cars
BURLINGTON NORTHERN RAILROAD21 citations79
US5405081AApr 11, 1995
Anti-abrasion rail seat system
BURLINGTON NORTHERN RAILROAD19 citations78
US5307744AMay 3, 1994
Magnetic skirt product protection assembly for transporting on railroad cars
BURLINGTON NORTHERN RAILROAD7 citations68
US4707900ANov 24, 1987
Cylinder liner sleeve puller
BURLINGTON NORTHERN RAILROAD9 citations63
US5302072AApr 12, 1994
Trackside door closing device for railway hopper cars
BURLINGTON NORTHERN RAILROAD14 citations62
USD301112SMay 16, 1989
Plug removal wrench
BURLINGTON NORTHERN RAILROAD15 citations60
US4893717AJan 16, 1990
Trailer hitch for use with a railroad car
BURLINGTON NORTHERN RAILROAD2 citations52