Machine and method for making a continuous tubular element with filling having a spacer and/or filter function
US-12458058-B2 · Nov 4, 2025 · US
Making tubes or pipes without using mandrels · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B31C5/00 |
| Official title | Making tubes or pipes without using mandrels |
| Display label | Making tubes or pipes without using mandrels |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12458058-B2 · Nov 4, 2025 · US
US-12133548-B2 · Nov 5, 2024 · US
US-2023363442-A1 · Nov 16, 2023 · US
US-2023263324-A1 · Aug 24, 2023 · US
US-2023072331-A1 · Mar 9, 2023 · US
US-2023063849-A1 · Mar 2, 2023 · US
US-11186412-B2 · Nov 30, 2021 · US
US-2020262615-A1 · Aug 20, 2020 · US
US-10676244-B2 · Jun 9, 2020 · US
US-2019210770-A1 · Jul 11, 2019 · US
US-10266309-B2 · Apr 23, 2019 · US
US-2017334609-A1 · Nov 23, 2017 · US
US-9758280-B2 · Sep 12, 2017 · US
US-9561881-B2 · Feb 7, 2017 · US
US-9296172-B2 · Mar 29, 2016 · US
US-9296173-B2 · Mar 29, 2016 · US
US-9272483-B2 · Mar 1, 2016 · US
US-2016031603-A1 · Feb 4, 2016 · US
US-9227374-B2 · Jan 5, 2016 · US
US-2015375904-A1 · Dec 31, 2015 · US