Gangway with crimping element attachment for a multi-car vehicle
US-12330457-B2 · Jun 17, 2025 · US
Construction of steps for railway vehicles (ladders in general E06C)
Construction of steps for railway vehicles (ladders in general E06C) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61D23/00 |
| Official title | Construction of steps for railway vehicles (ladders in general E06C) |
| Display label | Construction of steps for railway vehicles (ladders in general E06C) |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bogie, rail vehicle having same, and rail transport system
US-12263870-B2 · Apr 1, 2025 · US
End cab switcher locomotive
US-2024317279-A1 · Sep 26, 2024 · US
Railroad freight car access fittings
US-12054182-B2 · Aug 6, 2024 · US
Gap bridging system
US-12043294-B2 · Jul 23, 2024 · US
Rail vehicle
US-2024227876-A1 · Jul 11, 2024 · US
Banister arrangement for a rail vehicle
US-2024140499-A1 · May 2, 2024 · US
Attachment part for a rail vehicle
US-2024116547-A1 · Apr 11, 2024 · US
External sliding threshold assembly for vehicle doors
US-11932289-B2 · Mar 19, 2024 · US
Portable ramp
US-2023220676-A1 · Jul 13, 2023 · US
Rail transport system
US-11639187-B2 · May 2, 2023 · US
Gangway with crimping element attachment for a multi-car vehicle
US-2023106246-A1 · Apr 6, 2023 · US
Gangway for a multi-car vehicle and method for attaching a bellows of a gangway to an endframe of a gangway
US-11479070-B2 · Oct 25, 2022 · US
External sliding threshold assembly for vehicle doors
US-2022274473-A1 · Sep 1, 2022 · US
Endframe of a gangway, gangway, multi-car vehicle and method of connecting the gangway to a multi-car vehicle
US-11400779-B2 · Aug 2, 2022 · US
Ladder attachment platform
US-RE49130-E · Jul 12, 2022 · US
Vehicle door leaf frame and vehicle door leaf, for example for a rail vehicle
US-11377128-B2 · Jul 5, 2022 · US
Rail transport system
US-11312399-B2 · Apr 26, 2022 · US
Rail vehicle
US-11279381-B2 · Mar 22, 2022 · US
Bogie, rail vehicle having same, and rail transport system
US-2022048541-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61D23/00?
- CPC B61D23/00 is the Cooperative Patent Classification code for “Construction of steps for railway vehicles (ladders in general E06C).”
- How many patents are filed under CPC B61D23/00 (Construction of steps for railway vehicles (ladders in general E06C))?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B61D23/00 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).