Process for forming a paper container and related methods and materials
US-2023330958-A1 · Oct 19, 2023 · US
around mandrels, e.g. for forming bottoms
around mandrels, e.g. for forming bottoms · 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 | B31B50/28 |
| Official title | around mandrels, e.g. for forming bottoms |
| Display label | around mandrels, e.g. for forming bottoms |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mandrel-forming containers with radio frequency identification (rfid)
US-2023196054-A1 · Jun 22, 2023 · US
Methods and a machine for forming a shelf-ready shipper display system
US-11628643-B2 · Apr 18, 2023 · US
Container forming apparatus and method
US-11433634-B2 · Sep 6, 2022 · US
Methods and a machine for forming a container from a blank
US-2022040950-A1 · Feb 10, 2022 · US
Process for forming a paper container and related methods and materials
US-2021394478-A1 · Dec 23, 2021 · US
Method and device for forming package bodies open at one end from package sleeves open at both ends
US-11203448-B2 · Dec 21, 2021 · US
Methods and a machine for forming a container from a blank
US-11161317-B2 · Nov 2, 2021 · US
Carton for an article
US-11142365-B2 · Oct 12, 2021 · US
Methods and machine for forming a shipping container with an article retaining web
US-2021229390-A1 · Jul 29, 2021 · US
Methods and machine for forming a shipping container with an article retaining web
US-11001026-B2 · May 11, 2021 · US
Methods and machine for forming a shipping container with an article retaining web
US-10987889-B2 · Apr 27, 2021 · US
Device for the single-sided closure of packaging sleeves for the production of composite packages
US-10926896-B2 · Feb 23, 2021 · US
Methods forming a shipping and display container from a blank assembly using a pre-fold mandrel section
US-2021046723-A1 · Feb 18, 2021 · US
Machine and method for forming a container
US-2020406569-A1 · Dec 31, 2020 · US
Method and device for thermal activation of packaging sleeves
US-10843832-B2 · Nov 24, 2020 · US
Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section
US-10821698-B2 · Nov 3, 2020 · US
Carton For An Article
US-2020339302-A1 · Oct 29, 2020 · US
Carton
US-D898565-S · Oct 13, 2020 · US
Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section
US-10786964-B2 · Sep 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B50/28?
- CPC B31B50/28 is the Cooperative Patent Classification code for “around mandrels, e.g. for forming bottoms.”
- How many patents are filed under CPC B31B50/28 (around mandrels, e.g. for forming bottoms)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC B31B50/28 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).