Modular Coil Railcar
US-2025074480-A1 · Mar 6, 2025 · US
This page is not indexed by search engines while we improve data quality.
with a single central sill
with a single central sill · 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 | B61F1/02 |
| Official title | with a single central sill |
| Display label | with a single central sill |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modular coil railcar
US-12179811-B2 · Dec 31, 2024 · US
Sill Connection for Railcar Structure
US-2024025460-A1 · Jan 25, 2024 · US
Sill connection for railcar structure
US-11845480-B2 · Dec 19, 2023 · US
Composite insulated boxcar floor
US-11807280-B2 · Nov 7, 2023 · US
Stub sill assemblies
US-11702117-B2 · Jul 18, 2023 · US
Stub sill assemblies
US-2022126889-A1 · Apr 28, 2022 · US
Chassis component of railway vehicle, and railway vehicle
US-11225270-B2 · Jan 18, 2022 · US
Railroad freight car structure
US-2021300442-A1 · Sep 30, 2021 · US
Sill Connection for Railcar Structure
US-2021078614-A1 · Mar 18, 2021 · US
Steel gondola railcar
US-2020346670-A1 · Nov 5, 2020 · US
Railcar
US-10471974-B2 · Nov 12, 2019 · US
Chassis Component of Railway Vehicle, and Railway Vehicle
US-2019084591-A1 · Mar 21, 2019 · US
Railcar
US-2018043907-A1 · Feb 15, 2018 · US
Movable support fitting for railroad car
US-9114813-B2 · Aug 25, 2015 · US
Fittings for autorack railroad car
US-9067605-B2 · Jun 30, 2015 · US