Pullman Standard, Inc.
22Patents
0Active
22Granted
32Portfolio score
Filing activity: May 24, 1982 → Sep 8, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4590864A | Single axle truck suspension for railway flat car | Performing Operations; Transporting | 35 | Expired |
| US4690072A | Railway car body structural arrangement | Performing Operations; Transporting | 32 | Expired |
| US4570816A | Hatch cover and locking structure | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4555033A | Slackless non-cushioned drawbar arrangement for railway car underframe | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4633787A | Light weight gondola type railway car | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4738203A | Aerodynamically structured railway car with corner, air flow guides | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4771705A | Shear plate structure for gondola car | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4630547A | Cross bearer arrangement for slotted center sill | Performing Operations; Transporting | 24 | Expired |
| US4569289A | Air flow guide structure for open top railway car | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4630548A | Center sill horizontal divider | Performing Operations; Transporting | 23 | Expired |
| US4573594A | Railway car underframe adapted for use with couple or drawbar construction | Performing Operations; Transporting | 11 | Expired |
| US4630546A | Double groove center sill | Performing Operations; Transporting | 10 | Expired |
| US4508037A | Door lever adjusting device for hopper car doors | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4589346A | Axle stop arrangement for single axle wheel truck for a skeleton type railway car | Performing Operations; Transporting | 5 | Expired |
| US4570807A | Railway car underframe | Performing Operations; Transporting | 3 | Expired |
| US4651650A | Axle stabilizer for railway truck | Performing Operations; Transporting | 3 | Expired |
| US4626154A | Trailer hitch with elastomer in shear cushioning | Performing Operations; Transporting | 3 | Expired |
| US4620487A | Aerodynamically structured railway car | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4557647A | Multiplanar support beam for hitch pivot mount | Performing Operations; Transporting | 2 | Expired |
| US4553642A | Brake arrangement for single axle wheel truck of railway car | Performing Operations; Transporting | 2 | Expired |
| US4573843A | Hitch mounting means | Performing Operations; Transporting | 1 | Expired |
| US4534453A | Brake lever assembly for railway car | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.