Paper-based composite container for off-gassing products, and method for making same
US-2023373678-A1 · Nov 23, 2023 · US
by plungers moving through folding dies
by plungers moving through folding dies · 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 | B31B50/44 |
| Official title | by plungers moving through folding dies |
| Display label | by plungers moving through folding dies |
| Total patents | 75 |
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 | 5 |
| 2016 | 2 |
| 2017 | 9 |
| 2018 | 14 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Paper-based composite container for off-gassing products, and method for making same
US-11760528-B2 · Sep 19, 2023 · US
Blank and forming tool for forming a container
US-11554569-B2 · Jan 17, 2023 · US
Shaping of containers by folding cardboard sheets
US-2022410522-A1 · Dec 29, 2022 · US
Container forming apparatus and method
US-11433634-B2 · Sep 6, 2022 · US
Deep-drawn paper tray, a method and an apparatus for making it, and a tray-formed product package
US-11383473-B2 · Jul 12, 2022 · US
Machine and method for forming reinforced polygonal containers from blanks
US-11292222-B2 · Apr 5, 2022 · US
Methods and a machine for forming a container from a blank
US-2022040950-A1 · Feb 10, 2022 · US
Method and apparatus for deep-drawing a tray from sheet material
US-11241855-B2 · Feb 8, 2022 · US
Methods and a machine for forming a container from a blank
US-11161317-B2 · Nov 2, 2021 · US
Paper-based composite container for off-gassing products, and method for making same
US-11072452-B2 · Jul 27, 2021 · US
Method for forming reinforced polygonal containers from blanks
US-2021214118-A1 · Jul 15, 2021 · US
Method for producing a shaped sheet of wrapping
US-2021197321-A1 · Jul 1, 2021 · US
Thermoform packaging machine and method of forming-in a film web into cardboard elements
US-11027478-B2 · Jun 8, 2021 · US
Paper-based composite container for off-gassing products, and method for making same
US-2021101712-A1 · Apr 8, 2021 · US
Plastic bag making apparatus
US-10953620-B2 · Mar 23, 2021 · US
Machine and method for forming reinforced polygonal containers from blanks
US-10913569-B2 · Feb 9, 2021 · US
Forming tool and method for producing a packaging
US-10889079-B2 · Jan 12, 2021 · US
Machine and method for forming reinforced polygonal containers from blanks
US-2020156346-A1 · May 21, 2020 · US
Plastic bag making apparatus
US-10603861-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B50/44?
- CPC B31B50/44 is the Cooperative Patent Classification code for “by plungers moving through folding dies.”
- How many patents are filed under CPC B31B50/44 (by plungers moving through folding dies)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC B31B50/44 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).