Packaging container and a method of producing such a packaging container
US-12479183-B2 · Nov 25, 2025 · US
Closing boxes
Closing boxes · 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 | B31B50/004 |
| Official title | {Closing boxes} |
| Display label | Closing boxes |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flap folding device, box manufacturing device, box sealing device, and box packaging device
US-2025250049-A1 · Aug 7, 2025 · US
Method and device for packaging articles
US-12312114-B2 · May 27, 2025 · US
Closeable carton
US-D1070588-S · Apr 15, 2025 · US
Machine for forming a container from a blank
US-12275211-B2 · Apr 15, 2025 · US
Machine for forming a container from a blank
US-2024293990-A1 · Sep 5, 2024 · US
Closeable carton
US-11993428-B2 · May 28, 2024 · US
Machine for forming a container from a blank
US-11981102-B2 · May 14, 2024 · US
Packaging machine for arrangement of elements, preferably cartons, on pallets, and method for this
US-11866217-B2 · Jan 9, 2024 · US
A box erecting method and system
US-2023348126-A1 · Nov 2, 2023 · US
Box erecting machine
US-11752725-B2 · Sep 12, 2023 · US
Box erecting method and system
US-11738897-B2 · Aug 29, 2023 · US
Method and device for packaging articles
US-2023102381-A1 · Mar 30, 2023 · US
Method and device for packaging articles
US-11548666-B2 · Jan 10, 2023 · US
Closeable Carton
US-2022212831-A1 · Jul 7, 2022 · US
Packaging machine for arrangement of elements, preferably cartons, on pallets, and method for this
US-2022204288-A1 · Jun 30, 2022 · US
Packaging containers and related methods
US-11358749-B2 · Jun 14, 2022 · US
Box erecting method and system
US-2022144469-A1 · May 12, 2022 · US
Lid forming device
US-11298908-B2 · Apr 12, 2022 · US
Box erecting method and system
US-11286073-B2 · Mar 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B50/004?
- CPC B31B50/004 is the Cooperative Patent Classification code for “Closing boxes.”
- How many patents are filed under CPC B31B50/004 (Closing boxes)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B31B50/004 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).