Tomasz Bis
31Patents
11h-index
15Co-inventors
72Inventor score
Filing activity: Aug 29, 1997 → May 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7921783B2 | Hopper car with lading dislodgement fittings and method of operation | Performing Operations; Transporting | 86 | Active |
| US7631603B2 | Rail road car truck and bolster therefor | Performing Operations; Transporting | 36 | Expired |
| US7775163B2 | Rail road car and bearing adapter fittings therefor | Performing Operations; Transporting | 32 | Active |
| US7681506B2 | Truck bolster | Performing Operations; Transporting | 30 | Active |
| US8113126B2 | Rail road car truck and bolster therefor | Performing Operations; Transporting | 29 | Active |
| US7878125B2 | Railroad freight car | Performing Operations; Transporting | 26 | Active |
| US8025014B2 | Railroad freight car | Performing Operations; Transporting | 25 | Active |
| US6003445A | Retractable container stop and guide assembly for railroad freight cars | Performing Operations; Transporting | 21 | Expired |
| US8596203B2 | Railroad car and door mechanism therefor | Performing Operations; Transporting | 16 | Active |
| US7434519B2 | Rail road freight car | Performing Operations; Transporting | 14 | Active |
| US7461600B2 | Rail road freight car structure | Performing Operations; Transporting | 14 | Active |
| US7559284B2 | Railroad freight car | Performing Operations; Transporting | 11 | Active |
| US6354778B1 | Retractable container stop and guide assembly for railroad freight cars | Performing Operations; Transporting | 10 | Expired |
| US6866452B2 | Cross member with container stop | Performing Operations; Transporting | 9 | Expired |
| US7757611B2 | Railroad freight car | Performing Operations; Transporting | 9 | Active |
| US8356560B2 | Railroad car and door mechanism therefor | Performing Operations; Transporting | 8 | Active |
| US8622004B2 | Rail road hopper car ridge fittings | Performing Operations; Transporting | 7 | Active |
| US8915193B2 | Railroad car and door mechanism therefor | Performing Operations; Transporting | 5 | Active |
| US8065964B2 | Rail road hopper car ridge fittings | Performing Operations; Transporting | 4 | Active |
| US10377392B2 | Autorack railroad car having convertible deck structure | Performing Operations; Transporting | 4 | Active |
| US7494309B2 | Cross member with container stop | Performing Operations; Transporting | 3 | Expired |
| US8967053B2 | Railroad hopper car and door mechanism therefor | Performing Operations; Transporting | 2 | Active |
| US8047140B2 | Rail road hopper car structure | Performing Operations; Transporting | 2 | Active |
| US12054182B2 | Railroad freight car access fittings | Fixed Constructions | 0 | Active |
| US10239542B2 | Railroad car and door mechanism therefor | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.