RAILPOWER, LLC
9Patents
9Active
9Granted
47Portfolio score
Filing activity: Aug 9, 2005 → Feb 21, 2012 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7661370B2 | Design of a large low maintenance battery pack for a hybrid locomotive | Emerging Cross-Sectional Technologies | 43 | Active |
| US7940016B2 | Regenerative braking methods for a hybrid locomotive | Emerging Cross-Sectional Technologies | 29 | Active |
| US7667347B2 | Multi-power source locomotive control method and system | Emerging Cross-Sectional Technologies | 26 | Active |
| US7906862B2 | Multiple prime power source locomotive control | Emerging Cross-Sectional Technologies | 25 | Active |
| US7944081B2 | Multi-power source locomotive control method and system | Emerging Cross-Sectional Technologies | 19 | Active |
| US8220572B2 | Multi-power source locomotive selection | Emerging Cross-Sectional Technologies | 16 | Active |
| US8237384B2 | Dynamic braking circuit for a hybrid locomotive | Emerging Cross-Sectional Technologies | 4 | Active |
| US9102309B2 | System and method for detecting wheel slip and skid in a locomotive | Performing Operations; Transporting | 2 | Active |
| US8941956B2 | Switching ground tether circuit | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.