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
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Making paper tubes for cigarettes (making paper tubes in general B31C)
Making paper tubes for cigarettes (making paper tubes in general B31C) · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A24C5/46 |
| Official title | Making paper tubes for cigarettes (making paper tubes in general B31C) |
| Display label | Making paper tubes for cigarettes (making paper tubes in general B31C) |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermally enhanced aerosol-forming substrate
US-2025040590-A1 · Feb 6, 2025 · US
Tubular body
US-2025009010-A1 · Jan 9, 2025 · US
Machine and method for making a continuous tubular element with filling having a spacer and/or filter function
US-12133548-B2 · Nov 5, 2024 · US
Machine and method for making a sub-unit of a smoking article
US-12075815-B2 · Sep 3, 2024 · US
Article with tubular aerosol-forming substrate
US-2024284959-A1 · Aug 29, 2024 · US
A Component for use in a combustible aerosol provision system
US-2024277035-A1 · Aug 22, 2024 · US
Aerosol-forming substrate with expanded graphite
US-2024268443-A1 · Aug 15, 2024 · US
Method for making a sub-unit of a smoking article
US-11998041-B2 · Jun 4, 2024 · US
Machine and method for making a continuous tubular element with filling having a spacer and/or filter function
US-2023363442-A1 · Nov 16, 2023 · US
A machine and method for making a continuous tubular element with filling having a spacer and/or filter function
US-2023072331-A1 · Mar 9, 2023 · US
A machine and method for making a continuous tubular element with filling having a spacer and/or filter function
US-2023063849-A1 · Mar 2, 2023 · US
Machine and method for making a sub-unit of a smoking article
US-2022218018-A1 · Jul 14, 2022 · US
Tubular elements for smoking articles
US-11044939-B2 · Jun 29, 2021 · US
A method for making a sub-unit of a smoking article
US-2020390147-A1 · Dec 17, 2020 · US
Rotary conveyor drum for use in tobacco industry machines, method and apparatus for transporting rod-like elements using such drum and machine for manufacturing multi-element rods
US-10306917-B2 · Jun 4, 2019 · US
Smoking article and manufacture thereof
US-10285434-B2 · May 14, 2019 · US
Improved tubular elements for smoking articles
US-2018177225-A1 · Jun 28, 2018 · US
Paper tube and flavor inhaler
US-9491970-B2 · Nov 15, 2016 · US
Smoking article and manufacture thereof
US-2015034100-A1 · Feb 5, 2015 · US