Hybrid pneumatic regenerative system for railway vehicles
US-10363946-B2 · Jul 30, 2019 · US
Adaptations for driving vehicles, e.g. locomotives · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01B23/02 |
| Official title | Adaptations for driving vehicles, e.g. locomotives |
| Display label | Adaptations for driving vehicles, e.g. locomotives |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 3 |
| 2019 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10363946-B2 · Jul 30, 2019 · US
US-10138729-B2 · Nov 27, 2018 · US
US-2018154911-A1 · Jun 7, 2018 · US
US-2018112530-A1 · Apr 26, 2018 · US
US-9080450-B2 · Jul 14, 2015 · US