Device and method for replacing stage roll unit
US-12570069-B2 · Mar 10, 2026 · US
by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)}
by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)} · 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 | B31F1/26 |
| Official title | by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)} |
| Display label | by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)} |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2018 | 10 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for manufacturing filter
US-12390753-B2 · Aug 19, 2025 · US
Radially oriented honeycomb and structures formed therefrom
US-2025179796-A1 · Jun 5, 2025 · US
Radially oriented honeycomb and structures formed therefrom
US-12234643-B2 · Feb 25, 2025 · US
Device and method for transporting stage roll unit, and stage roll unit transporting cart
US-12180049-B2 · Dec 31, 2024 · US
Electrical Heating Unit for Heating a Heat Shrink Cover, Electrical Heating System, Installation System, and Manufacturing Method
US-2024324072-A1 · Sep 26, 2024 · US
Apparatus and method for manufacturing filter
US-2024024806-A1 · Jan 25, 2024 · US
Radially oriented honeycomb and structures formed therefrom
US-2023392377-A1 · Dec 7, 2023 · US
Method of creasing sheets
US-11565493-B2 · Jan 31, 2023 · US
Device and method for replacing stage roll unit
US-2022105699-A1 · Apr 7, 2022 · US
Device and method for transporting stage roll unit, and stage roll unit transporting cart
US-2022098015-A1 · Mar 31, 2022 · US
Corrugating roll unit conveyance apparatus and apparatus and method for replacing corrugating roll unit
US-11235549-B2 · Feb 1, 2022 · US
Analysis device and analysis method for preparatory work time in paper converting machine
US-11186058-B2 · Nov 30, 2021 · US
Analysis device and analysis method for preparatory work time in paper converting machine
US-2021178719-A1 · Jun 17, 2021 · US
A method of creasing sheets
US-2021154965-A1 · May 27, 2021 · US
Corrugating roll unit conveyance apparatus and apparatus and method for replacing corrugating roll unit
US-2019381756-A1 · Dec 19, 2019 · US
Dual bag with a pigmented inner bag with pattern and transparent outer bag with pattern
US-D842706-S · Mar 12, 2019 · US
Dual bag with pigmented inner bag with pattern and transparent outer bag with pattern
US-D817779-S · May 15, 2018 · US
Dual bag with black inner bag and white outer bag
US-D815958-S · Apr 24, 2018 · US
Single bag with an inner portion of a first pigment and an outer portion of a second pigment and a pattern
US-D814940-S · Apr 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31F1/26?
- CPC B31F1/26 is the Cooperative Patent Classification code for “by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)}.”
- How many patents are filed under CPC B31F1/26 (by interengaging toothed cylinders {cylinder constructions (B31F1/242 takes precedence)})?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B31F1/26 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).