Universal Hitch Intermodal Well Car System
US-2025128743-A1 · Apr 24, 2025 · US
the heavy vehicles being of the trailer or semi-trailer type · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61D3/184 |
| Official title | {the heavy vehicles being of the trailer or semi-trailer type} |
| Display label | the heavy vehicles being of the trailer or semi-trailer type |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025128743-A1 · Apr 24, 2025 · US
US-2025042449-A1 · Feb 6, 2025 · US
US-12179812-B2 · Dec 31, 2024 · US
US-11993294-B2 · May 28, 2024 · US
US-2024157982-A1 · May 16, 2024 · US
US-2022402530-A1 · Dec 22, 2022 · US
US-11427229-B2 · Aug 30, 2022 · US
US-2022234628-A1 · Jul 28, 2022 · US
US-2020283032-A1 · Sep 10, 2020 · US
US-10676107-B2 · Jun 9, 2020 · US
US-2019337534-A1 · Nov 7, 2019 · US
US-10384692-B2 · Aug 20, 2019 · US
US-10196074-B2 · Feb 5, 2019 · US
US-2018265296-A1 · Sep 20, 2018 · US
US-2017327132-A1 · Nov 16, 2017 · US