Apparatus for powering a refrigeration unit of a cargo container
US-2025042449-A1 · Feb 6, 2025 · US
for forwarding containers
for forwarding containers · 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 | B61D3/20 |
| Official title | for forwarding containers |
| Display label | for forwarding containers |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 10 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Railroad Well Car Structure
US-2025033677-A1 · Jan 30, 2025 · US
Autonomous rail vehicle systems and methods
US-2024367696-A1 · Nov 7, 2024 · US
Railroad well car structure
US-12134412-B2 · Nov 5, 2024 · US
Tie-arrangement system and method of delivering ties
US-2024309590-A1 · Sep 19, 2024 · US
Modular railcar underframe and top container
US-2024278811-A1 · Aug 22, 2024 · US
Railroad freight car access fittings
US-12054182-B2 · Aug 6, 2024 · US
Cassette transport device and cassette transport system including the same
US-2024213068-A1 · Jun 27, 2024 · US
Modular railcar underframe and top container
US-11993295-B2 · May 28, 2024 · US
Freighter aircraft system and container system
US-11932374-B2 · Mar 19, 2024 · US
Storage Assembly for Railcar
US-2024083467-A1 · Mar 14, 2024 · US
Systems and methods for remotely controlling proppant discharge system
US-11873160-B1 · Jan 16, 2024 · US
Storage assembly for railcar
US-11827250-B2 · Nov 28, 2023 · US
Cargo restraint system
US-11529902-B2 · Dec 20, 2022 · US
Railroad Well Car Structure
US-2022194438-A1 · Jun 23, 2022 · US
Delivery management system, server, delivery management method, delivery user terminal, client user terminal, and information processing method
US-11232529-B2 · Jan 25, 2022 · US
Freighter aircraft system and container system
US-2021129972-A1 · May 6, 2021 · US
Modular Railcar Underframe and Top Container
US-2021053592-A1 · Feb 25, 2021 · US
Modular system for transporting wind turbine blades
US-10871148-B2 · Dec 22, 2020 · US
Storage Assembly for Railcar
US-2020298894-A1 · Sep 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61D3/20?
- CPC B61D3/20 is the Cooperative Patent Classification code for “for forwarding containers.”
- How many patents are filed under CPC B61D3/20 (for forwarding containers)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B61D3/20 growing?
- Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).