Pressure relief mechanism, case, and pressure relief valve
US-2019386271-A1 · Dec 19, 2019 · US
Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element · 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 | B65D77/225 |
| Official title | {Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element} |
| Display label | Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element |
| Total patents | 167 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 8 |
| 2017 | 20 |
| 2018 | 10 |
| 2019 | 20 |
| 2020 | 22 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 18 |
| 2024 | 16 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Produce ripening
US-2019335776-A1 · Nov 7, 2019 · US
Integrated one-way valve with polyol film
US-10442589-B2 · Oct 15, 2019 · US
Delaminatable container
US-2019256239-A1 · Aug 22, 2019 · US
Pressure compensation label for sticking to a surface, and method
US-10311759-B2 · Jun 4, 2019 · US
Aerosol dispenser with integral vent outer container therefor and preform therefor
US-2019135532-A1 · May 9, 2019 · US
Flexible laminate structure with integrated one-way valve
US-2019047751-A1 · Feb 14, 2019 · US
Lamination separable container
US-2018370673-A1 · Dec 27, 2018 · US
Magnetron control system and associated methodology
US-10155602-B2 · Dec 18, 2018 · US
Flexible laminate structure with integrated one-way valve
US-10138024-B2 · Nov 27, 2018 · US
Flexible containers having flexible valves
US-10138049-B2 · Nov 27, 2018 · US
Inflatable packaging for use with UAV
US-10131428-B1 · Nov 20, 2018 · US
Delamination container, method for attaching cap to delamination container, and method for manufacturing delamination container
US-2018265241-A1 · Sep 20, 2018 · US
Pre-oiled valve
US-2018170645-A1 · Jun 21, 2018 · US
Pressure relief mechanism, case, and pressure relief valve
US-2018097214-A1 · Apr 5, 2018 · US
Sealed container
US-2018079566-A1 · Mar 22, 2018 · US
Valve and method of making same
US-9878524-B2 · Jan 30, 2018 · US
Packaged Frozen Precooked Dough or Batter-Based Food Products and Methods
US-2017347672-A1 · Dec 7, 2017 · US
Valve and method of making same
US-2017341356-A9 · Nov 30, 2017 · US
Multi-layer one-way valve for packaging
US-9810335-B2 · Nov 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D77/225?
- CPC B65D77/225 is the Cooperative Patent Classification code for “Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element.”
- How many patents are filed under CPC B65D77/225 (Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element)?
- Our database includes 167 publications tagged with this CPC code.
- Is patent activity under CPC B65D77/225 growing?
- Publication counts under this code: 16 in 2024 vs 12 in 2025 (latest complete years).