Liquid storage tank and method of producing the same
US-2025382125-A1 · Dec 18, 2025 · US
collapsible, i.e. with walls hinged together or detachably connected
collapsible, i.e. with walls hinged together or detachably connected · 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 | B65D88/52 |
| Official title | collapsible, i.e. with walls hinged together or detachably connected |
| Display label | collapsible, i.e. with walls hinged together or detachably connected |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deformable container and gas storage device
US-2025282541-A1 · Sep 11, 2025 · US
Self-folding bladder
US-12344461-B2 · Jul 1, 2025 · US
Foldable container folding device and automatic folding system comprising same
US-12319492-B2 · Jun 3, 2025 · US
Liquid storage tank and method of producing the same
US-12304726-B2 · May 20, 2025 · US
Liquid storage tank and method of producing the same
US-2024417161-A1 · Dec 19, 2024 · US
Bulk bin, bulk bin sleeve pack, and related method
US-2024278979-A1 · Aug 22, 2024 · US
Bulk bin, bulk bin sleeve pack, and related method
US-11993451-B2 · May 28, 2024 · US
Crate with retractable wall
US-11738937-B2 · Aug 29, 2023 · US
Foldable container and apparatus for folding and unfolding the same
US-11618488-B2 · Apr 4, 2023 · US
Self-folding bladder
US-2022380117-A1 · Dec 1, 2022 · US
Cold box steel structure and method for prefabricating and transporting same
US-11428466-B2 · Aug 30, 2022 · US
Bulk bin, bulk bin sleeve pack, and related method
US-2022033175-A1 · Feb 3, 2022 · US
Foldable container folding device and automatic folding system comprising same
US-2022033176-A1 · Feb 3, 2022 · US
Foldable container
US-11066233-B2 · Jul 20, 2021 · US
Crate with retractable wall
US-2021206564-A1 · Jul 8, 2021 · US
Crate with retractable wall
US-10988308-B2 · Apr 27, 2021 · US
Collapsible container and apparatus for opening and closing the same
US-10787311-B2 · Sep 29, 2020 · US
Cold box steel structure and method for prefabricating and transporting same
US-2020191478-A1 · Jun 18, 2020 · US
Foldable container and apparatus for folding and unfolding the same
US-2020087059-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D88/52?
- CPC B65D88/52 is the Cooperative Patent Classification code for “collapsible, i.e. with walls hinged together or detachably connected.”
- How many patents are filed under CPC B65D88/52 (collapsible, i.e. with walls hinged together or detachably connected)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B65D88/52 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).