Device for aligning magnetic or magnetizable particles and machine for generating optically variable image elements
US-12420545-B2 · Sep 23, 2025 · US
for inking selected parts of printing formes
for inking selected parts of printing formes · 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 | B41F31/18 |
| Official title | for inking selected parts of printing formes |
| Display label | for inking selected parts of printing formes |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 3 |
| 2023 | 2 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cylinder for a sheet-treating and/or sheet-processing machine with suction air openings and machine for treating and/or processing sheet-format substrate comprising such a cylinder
US-12384144-B2 · Aug 12, 2025 · US
Device for aligning magnetic or magnetizable particles and machine for generating optically variable image elements
US-2025170818-A1 · May 29, 2025 · US
Cylinder for a sheet-treating and/or sheet-processing machine with suction air openings and machine for treating and/or processing sheet-format substrate comprising such a cylinder
US-2025170817-A1 · May 29, 2025 · US
Inking system with plurality of fountain roller elements
US-12311652-B2 · May 27, 2025 · US
Inking system with pluarlity of fountain roller elements
US-2025083435-A1 · Mar 13, 2025 · US
Selective wetting of a roller
US-11638927-B2 · May 2, 2023 · US
Sealing element for a doctor blade chamber
US-11549586-B2 · Jan 10, 2023 · US
Apparatus for coating a surface with a transferable layer of thermoplastic particles, and related methods
US-10960432-B2 · Mar 30, 2021 · US
Fountain solution deposition apparatus and method for digital printing device
US-10946686-B2 · Mar 16, 2021 · US
Systems and methods for interrupting traditional counterfeiting workflows
US-10946683-B2 · Mar 16, 2021 · US
Fountain solution deposition apparatus and method for digital printing device
US-2020353769-A1 · Nov 12, 2020 · US
Fountain solution deposition apparatus and method for digital printing device
US-10800196-B2 · Oct 13, 2020 · US
Pattern-free anilox inking system and method
US-10737483-B2 · Aug 11, 2020 · US
Selective wetting of a roller
US-2020222935-A1 · Jul 16, 2020 · US
Inking system for inking an intaglio printing cylinder of an intaglio printing press, intaglio printing press comprising the same, and process of inking such an intaglio printing cylinder
US-10696042-B2 · Jun 30, 2020 · US
Device for coating panels, printing press, and method for coating panels
US-2020122454-A1 · Apr 23, 2020 · US
Inking system for inking an intaglio printing cylinder of an intaglio printing press, intaglio printing press comprising the same, and process of inking such an intaglio printing cylinder
US-2020114642-A1 · Apr 16, 2020 · US
Sealing Element for a Doctor Blade Chamber
US-2020032906-A1 · Jan 30, 2020 · US
Fountain solution deposition apparatus and method for digital printing device
US-2019329582-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41F31/18?
- CPC B41F31/18 is the Cooperative Patent Classification code for “for inking selected parts of printing formes.”
- How many patents are filed under CPC B41F31/18 (for inking selected parts of printing formes)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B41F31/18 growing?
- Publication counts under this code: 2 in 2023 vs 6 in 2025 (latest complete years).