Inventor
MILLER ROY W
31 patents
⚠️ This page may combine multiple inventors who share the name “MILLER ROY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PULLMAN INC
17 patentsUS3949681AApr 13, 1976
Motor actuated railway hopper car door mechanism
PULLMAN INC57 citations96
US4655365AApr 7, 1987
Hatch cover lock
PULLMAN INC54 citations92
US4262601AApr 21, 1981
Cam actuated railway hopper car lock mechanism
PULLMAN INC44 citations92
US4079676AMar 21, 1978
Freight car body reinforcement
PULLMAN INC34 citations92
US3964399AJun 22, 1976
Railway gondola car
PULLMAN INC55 citations92
US4232989ANov 11, 1980
Cam actuated railway hopper car door operating mechanism
PULLMAN INC28 citations82
US4194450AMar 25, 1980
Railway hopper car door operating mechanism
PULLMAN INC28 citations82
US4280596AJul 28, 1981
Air brake arrangement for center sill-less hopper cars
PULLMAN INC9 citations74
US4259036AMar 31, 1981
Hopper car door locking arrangement
PULLMAN INC8 citations74
US4183179AJan 15, 1980
Sliding door and door guide arrangement for a railway passenger car compartment
PULLMAN INC9 citations73
US4120412AOct 17, 1978
Trackside door closing arrangement for railway hopper cars
PULLMAN INC11 citations72
US4359003ANov 16, 1982
Railway car center filler
PULLMAN INC7 citations70
US3982641ASep 28, 1976
Hopper car door actuating mechanism
PULLMAN INC2 citations63
US3951077AApr 20, 1976
Railway hopper car door and latch actuating means
PULLMAN INC2 citations63
US3978997ASep 7, 1976
Door tripping device for railway hopper car
PULLMAN INC5 citations61
US4353314AOct 12, 1982
Box car corner post arrangement
PULLMAN INC3 citations59
US4181336AJan 1, 1980
Hopper car cam lock door operating mechanism
PULLMAN INC1 citations52
PULLMAN STANDARD INC
3 patentsUS4555033ANov 26, 1985
Slackless non-cushioned drawbar arrangement for railway car underframe
PULLMAN STANDARD INC43 citations92
US4589346AMay 20, 1986
Axle stop arrangement for single axle wheel truck for a skeleton type railway car
PULLMAN STANDARD INC6 citations63
US4570807AFeb 18, 1986
Railway car underframe
PULLMAN STANDARD INC6 citations60
PULLMAN RAIL LEASING INC
3 patentsUS4690070ASep 1, 1987
Hatch cover structure
PULLMAN RAIL LEASING INC22 citations82
US4696237ASep 29, 1987
Multiple hopper rail car with offset vertical weld from conversion
PULLMAN RAIL LEASING INC15 citations73
US4695207ASep 22, 1987
Pneumatic gate operator and outlet cap
PULLMAN RAIL LEASING INC12 citations73