Railroad coil car structure
US-2025263095-A1 · Aug 21, 2025 · US
Fixing of logs, beams, barrels, pipes, or the like
Fixing of logs, beams, barrels, pipes, or the like · 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 | B61D45/003 |
| Official title | {Fixing of logs, beams, barrels, pipes, or the like} |
| Display label | Fixing of logs, beams, barrels, pipes, or the like |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Railroad coil car structure
US-12319323-B2 · Jun 3, 2025 · US
Railcar for transport of steel coils with removable bi-level roof
US-12286140-B2 · Apr 29, 2025 · US
Modular Coil Railcar
US-2025074480-A1 · Mar 6, 2025 · US
Modular coil railcar
US-12179811-B2 · Dec 31, 2024 · US
Configurable railroad car
US-12005937-B2 · Jun 11, 2024 · US
Rail thread box assembly
US-2024083471-A1 · Mar 14, 2024 · US
Railcar for transport of steel coils with removable bi-level roof
US-2023406364-A1 · Dec 21, 2023 · US
Railcar for transport of steel coils with removable bi-level roof
US-11840268-B2 · Dec 12, 2023 · US
Railcar for transport of steel coils with removable bi-level roof
US-2023249717-A1 · Aug 10, 2023 · US
Apparatuses for wind turbine blade railroad transportation and related systems and methods
US-11698054-B2 · Jul 11, 2023 · US
Railcar for transport of steel coils with removable bi-level roof
US-11643118-B2 · May 9, 2023 · US
Apparatuses for wind turbine blade railroad transportation and related systems and methods
US-11629699-B2 · Apr 18, 2023 · US
Railroad coil car structure
US-2023038550-A1 · Feb 9, 2023 · US
Railroad coil car structure
US-2022396296-A1 · Dec 15, 2022 · US
Configurable railroad car
US-2022250659-A1 · Aug 11, 2022 · US
Pipe coil skid with side rails and method of use
US-11407559-B2 · Aug 9, 2022 · US
Protector assembly for flexible pipe coils and method of using same
US-2021107393-A1 · Apr 15, 2021 · US
Blade transport vehicle
US-10961983-B2 · Mar 30, 2021 · US
Protector assembly for flexible pipe coils and method of using same
US-2021086685-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61D45/003?
- CPC B61D45/003 is the Cooperative Patent Classification code for “Fixing of logs, beams, barrels, pipes, or the like.”
- How many patents are filed under CPC B61D45/003 (Fixing of logs, beams, barrels, pipes, or the like)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B61D45/003 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).