Container and bottom end construction therefor
US-2023382589-A1 · Nov 30, 2023 · US
with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)}
with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)} · 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 | B65D3/22 |
| Official title | with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)} |
| Display label | with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)} |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 12 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 19 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compostable hot melt adhesive
US-2023313004-A1 · Oct 5, 2023 · US
Container construction with flexible liner and one-way valve
US-11691777-B2 · Jul 4, 2023 · US
Container for stacked food products
US-11535438-B2 · Dec 27, 2022 · US
Container For Liquids
US-2022380080-A1 · Dec 1, 2022 · US
Container for Stacked Food Products
US-2022355989-A1 · Nov 10, 2022 · US
Paper based container for household products
US-2022267051-A1 · Aug 25, 2022 · US
Paper based container for household products
US-2022267043-A1 · Aug 25, 2022 · US
Paper based container for household products
US-2022267074-A1 · Aug 25, 2022 · US
Paper based container for household products
US-2022267044-A1 · Aug 25, 2022 · US
Dielectric heating of foamable compositions
US-2022073787-A1 · Mar 10, 2022 · US
Container assemblies with paper-based end closures
US-2022063895-A1 · Mar 3, 2022 · US
Double-wall paperboard containers having aqueous barrier coatings
US-2022033129-A1 · Feb 3, 2022 · US
Cone-shaped edible container and manufacturing method thereof
US-2022007675-A1 · Jan 13, 2022 · US
Cone-shaped edible container
US-2022002047-A1 · Jan 6, 2022 · US
Refillable cosmetic container
US-2021368966-A1 · Dec 2, 2021 · US
Low-temperature tank and method for manufacturing same
US-11073243-B2 · Jul 27, 2021 · US
Dielectric heating of foamable compositions
US-2021214581-A1 · Jul 15, 2021 · US
Container construction with flexible liner and one-way valve
US-2021009306-A1 · Jan 14, 2021 · US
Container with removable end
US-2021009305-A1 · Jan 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D3/22?
- CPC B65D3/22 is the Cooperative Patent Classification code for “with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)}.”
- How many patents are filed under CPC B65D3/22 (with double walls; with walls incorporating air-chambers; with walls made of laminated material {(for thermal insulating purposes B65D81/3818)})?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC B65D3/22 growing?
- Publication counts under this code: 6 in 2024 vs 19 in 2025 (latest complete years).