Modular Coil Railcar
US-2025074480-A1 · Mar 6, 2025 · US
with movable floors, e.g. rotatable or floors which can be raised or lowered
with movable floors, e.g. rotatable or floors which can be raised or lowered · 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 | B61D3/04 |
| Official title | with movable floors, e.g. rotatable or floors which can be raised or lowered |
| Display label | with movable floors, e.g. rotatable or floors which can be raised or lowered |
| Total patents | 31 |
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 | 1 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 5 |
| 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
Article transport device
US-2024409131-A1 · Dec 12, 2024 · US
Method for controlling the vertical position of a vehicle and associated control assembly
US-12116025-B2 · Oct 15, 2024 · US
Railway wagon with improved launch beam positioning
US-2024157982-A1 · May 16, 2024 · US
Autorack cars
US-11878724-B2 · Jan 23, 2024 · US
Loading assembly for a vehicle
US-2023303135-A1 · Sep 28, 2023 · US
System and method for reconfiguring an autorack
US-11608091-B2 · Mar 21, 2023 · US
Vehicle height control method and associated vehicle
US-11541913-B2 · Jan 3, 2023 · US
System and Method for Reconfiguring an Autorack
US-2022177012-A1 · Jun 9, 2022 · US
System and method for reconfiguring an autorack
US-11318966-B2 · May 3, 2022 · US
System and method for reconfiguring an autorack
US-11305789-B2 · Apr 19, 2022 · US
Autorack cars
US-2022032972-A1 · Feb 3, 2022 · US
Auto-rack railroad car
US-11117598-B2 · Sep 14, 2021 · US
System and Method for Reconfiguring an Autorack
US-2021253142-A1 · Aug 19, 2021 · US
Method for controlling the vertical position of a vehicle and associated control assembly
US-2021221411-A1 · Jul 22, 2021 · US
System and method for reconfiguring an autorack
US-11014582-B2 · May 25, 2021 · US
System and Method for Reconfiguring an Autorack
US-2020198665-A1 · Jun 25, 2020 · US
System and Method for Reconfiguring an Autorack
US-2020198664-A1 · Jun 25, 2020 · US
Method and transport vehicle for loading and unloading
US-10597047-B2 · Mar 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61D3/04?
- CPC B61D3/04 is the Cooperative Patent Classification code for “with movable floors, e.g. rotatable or floors which can be raised or lowered.”
- How many patents are filed under CPC B61D3/04 (with movable floors, e.g. rotatable or floors which can be raised or lowered)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B61D3/04 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).