Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-12539996-B2 · Feb 3, 2026 · US
Rollers for producing longitudinal and transverse seams simultaneously
Rollers for producing longitudinal and transverse seams simultaneously · 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 | B65B51/28 |
| Official title | Rollers for producing longitudinal and transverse seams simultaneously |
| Display label | Rollers for producing longitudinal and transverse seams simultaneously |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 4 |
| 2020 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatuses and methods for forming pouch product
US-2025223064-A1 · Jul 10, 2025 · US
Apparatuses and methods for forming pouch product
US-12263981-B2 · Apr 1, 2025 · US
Packaging apparatus and method of use
US-2024308703-A1 · Sep 19, 2024 · US
Method and an apparatus for packaging articles
US-12091206-B2 · Sep 17, 2024 · US
Apparatus and method for heating a movable web
US-12070910-B2 · Aug 27, 2024 · US
Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-2024150055-A1 · May 9, 2024 · US
Apparatuses and methods for forming pouch product
US-2024140633-A1 · May 2, 2024 · US
Apparatuses and methods for forming pouch product
US-11945620-B2 · Apr 2, 2024 · US
Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-11905055-B2 · Feb 20, 2024 · US
Method for the inspection of bonding patterns of packages for products
US-11724463-B2 · Aug 15, 2023 · US
Apparatus and method for heating a movable web
US-2023090054-A1 · Mar 23, 2023 · US
Method for the inspection of bonding patterns of packages for products
US-2023077208-A1 · Mar 9, 2023 · US
Method and an apparatus for packaging articles
US-2022396381-A1 · Dec 15, 2022 · US
Cold seal paper apparatus and method for manufacturing mailpieces
US-11511561-B2 · Nov 29, 2022 · US
Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-2022348372-A1 · Nov 3, 2022 · US
Apparatuses and methods for forming pouch product
US-2022324596-A1 · Oct 13, 2022 · US
Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-11427364-B2 · Aug 30, 2022 · US
Apparatuses and methods for forming pouch product
US-11407534-B2 · Aug 9, 2022 · US
Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same
US-2020354097-A1 · Nov 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65B51/28?
- CPC B65B51/28 is the Cooperative Patent Classification code for “Rollers for producing longitudinal and transverse seams simultaneously.”
- How many patents are filed under CPC B65B51/28 (Rollers for producing longitudinal and transverse seams simultaneously)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC B65B51/28 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).