Systems and methods for venting tanks to enhance transporting asphalt
US-2025346174-A1 · Nov 13, 2025 · US
Arrangements of access openings or covers therefor · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60P3/226 |
| Official title | {Arrangements of access openings or covers therefor} |
| Display label | Arrangements of access openings or covers therefor |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025346174-A1 · Nov 13, 2025 · US
US-12304377-B2 · May 20, 2025 · US
US-2024407282-A1 · Dec 12, 2024 · US
US-12151602-B2 · Nov 26, 2024 · US
US-12063878-B2 · Aug 20, 2024 · US
US-2024017658-A1 · Jan 18, 2024 · US
US-11801785-B2 · Oct 31, 2023 · US
US-2023104651-A1 · Apr 6, 2023 · US
US-2021394663-A1 · Dec 23, 2021 · US
US-2021362637-A1 · Nov 25, 2021 · US
US-2021023976-A1 · Jan 28, 2021 · US
US-10427580-B2 · Oct 1, 2019 · US
US-2017253168-A1 · Sep 7, 2017 · US
US-2015137501-A1 · May 21, 2015 · US