Flexible packaging for a liquid and method of manufacturing such a packaging
US-2025066095-A1 · Feb 27, 2025 · US
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Forming valves integral with the containers
Forming valves integral with the containers · 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 | B31B70/855 |
| Official title | Forming valves integral with the containers |
| Display label | Forming valves integral with the containers |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of making vented flexible containers
US-11548255-B2 · Jan 10, 2023 · US
Flexible packaging structure with a built-in opening and reclose feature
US-11338977-B2 · May 24, 2022 · US
Plastic bag making apparatus and method
US-11298909-B2 · Apr 12, 2022 · US
Flexible packaging structure with a built-in opening and reclose feature
US-11192704-B2 · Dec 7, 2021 · US
Plastic bag making apparatus and method
US-2021221568-A1 · Jul 22, 2021 · US
Plastic bag and plastic bag making apparatus
US-11001414-B2 · May 11, 2021 · US
Flexible packaging structure with a built-in opening and reclose feature
US-2020115127-A1 · Apr 16, 2020 · US
Flexible packaging structure with a built-in opening and reclose feature
US-2020071046-A1 · Mar 5, 2020 · US
Flexible packaging structure with a built-in opening and reclose feature
US-10543970-B2 · Jan 28, 2020 · US
Flexible container with fitment and process for producing same
US-10494150-B2 · Dec 3, 2019 · US
Plastic Bag and Plastic Bag Making Apparatus
US-2019062001-A1 · Feb 28, 2019 · US
Plastic bag and plastic bag making apparatus
US-10189608-B2 · Jan 29, 2019 · US
Methods of making vented flexible containers
US-2018236741-A1 · Aug 23, 2018 · US
Flexible Container with Fitment and Process for Producing Same
US-2017190493-A1 · Jul 6, 2017 · US
Flexible container with fitment and process for producing same
US-9624005-B2 · Apr 18, 2017 · US
Flexible packaging structure with a built-in opening and reclose feature
US-2017036836-A1 · Feb 9, 2017 · US
Plastic Bag and Plastic Bag Making Apparatus
US-2017021584-A1 · Jan 26, 2017 · US
Flexible Container with Fitment and Process for Producing Same
US-2016016695-A1 · Jan 21, 2016 · US
Hermetic microwavable package with automatically opening steam vent
US-9199781-B2 · Dec 1, 2015 · US