Leaching chamber with locking swivel latch
US-2026015847-A1 · Jan 15, 2026 · US
via underground elongated vaulted elements · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E03F1/003 |
| Official title | {via underground elongated vaulted elements} |
| Display label | via underground elongated vaulted elements |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026015847-A1 · Jan 15, 2026 · US
US-12492130-B2 · Dec 9, 2025 · US
US-12371890-B2 · Jul 29, 2025 · US
US-2025197101-A1 · Jun 19, 2025 · US
US-2024368873-A1 · Nov 7, 2024 · US
US-2024368875-A1 · Nov 7, 2024 · US
US-12071758-B2 · Aug 27, 2024 · US
US-12065821-B2 · Aug 20, 2024 · US
US-2024209613-A1 · Jun 27, 2024 · US
US-2023407619-A1 · Dec 21, 2023 · US
US-2023374767-A1 · Nov 23, 2023 · US
US-2023340770-A1 · Oct 26, 2023 · US
US-2023264977-A1 · Aug 24, 2023 · US
US-2023257984-A1 · Aug 17, 2023 · US
US-11725376-B2 · Aug 15, 2023 · US
US-2022307252-A1 · Sep 29, 2022 · US
US-11377835-B2 · Jul 5, 2022 · US
US-2021285203-A1 · Sep 16, 2021 · US
US-11028570-B2 · Jun 8, 2021 · US
US-11028569-B2 · Jun 8, 2021 · US
Answers are generated from the same data shown on this page.