Inventor
KRAMER ROLF
DE9 patents
⚠️ This page may combine multiple inventors who share the name “KRAMER ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WAGGON UNION GMBH
5 patentsUS4278030AJul 14, 1981
Truck for high speed rail cars
WAGGON UNION GMBH21 citations75
US4206571AJun 10, 1980
Bunker closure door operating mechanism
WAGGON UNION GMBH16 citations71
US3999489ADec 28, 1976
Sliding wall arrangement for covered railroad freight cars
WAGGON UNION GMBH11 citations69
US4955293ASep 11, 1990
Slider
WAGGON UNION GMBH7 citations68
US4569293AFeb 11, 1986
Freight car construction
WAGGON UNION GMBH9 citations67