Leak containment systems and methods
US-2025305631-A1 · Oct 2, 2025 · US
the bolt and handle being at the same side of the pivot (E05C3/045, E05C3/046 take precedence) · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E05C3/044 |
| Official title | {the bolt and handle being at the same side of the pivot (E05C3/045, E05C3/046 take precedence)} |
| Display label | the bolt and handle being at the same side of the pivot (E05C3/045, E05C3/046 take precedence) |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 3 |
| 2021 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025305631-A1 · Oct 2, 2025 · US
US-12252931-B1 · Mar 18, 2025 · US
US-12006746-B2 · Jun 11, 2024 · US
US-2024110414-A1 · Apr 4, 2024 · US
US-11834898-B1 · Dec 5, 2023 · US
US-2023113402-A1 · Apr 13, 2023 · US
US-11591824-B2 · Feb 28, 2023 · US
US-2023040016-A1 · Feb 9, 2023 · US
US-11162300-B1 · Nov 2, 2021 · US
US-2021278042-A1 · Sep 9, 2021 · US
US-2021269166-A1 · Sep 2, 2021 · US
US-2021189768-A1 · Jun 24, 2021 · US
US-10081466-B2 · Sep 25, 2018 · US
US-9988831-B2 · Jun 5, 2018 · US
US-2018050851-A1 · Feb 22, 2018 · US
US-2016230432-A1 · Aug 11, 2016 · US
US-9322192-B2 · Apr 26, 2016 · US