Ink feed systems and method for feeding printing ink to an inking unit of an intaglio printing unit, as well as intaglio printing unit and method for operating an ink feed system
US-11897252-B2 · Feb 13, 2024 · US
Ink rail devices for inking ink rollers
Ink rail devices for inking ink rollers · 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 | B41F31/027 |
| Official title | {Ink rail devices for inking ink rollers} |
| Display label | Ink rail devices for inking ink rollers |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ink feed systems and method for feeding printing ink to an inking unit of an intaglio printing unit, as well as intaglio printing unit and method for operating an ink feed system
US-2023271411-A1 · Aug 31, 2023 · US
Printing system
US-11701891-B2 · Jul 18, 2023 · US
Sealing element for a doctor blade chamber
US-11549586-B2 · Jan 10, 2023 · US
Absorbent article
US-11534346-B2 · Dec 27, 2022 · US
Absorbent article
US-2022313497-A1 · Oct 6, 2022 · US
Application unit with positioning device
US-11279123-B2 · Mar 22, 2022 · US
Application unit with positioning device
US-2021309006-A1 · Oct 7, 2021 · US
Low-volume flexographic inking system
US-11135832-B2 · Oct 5, 2021 · US
Printing system
US-2021300048-A1 · Sep 30, 2021 · US
Systems and methods for interrupting traditional counterfeiting workflows
US-10946683-B2 · Mar 16, 2021 · US
Roller arrangement, a method of forming a pattern, a method of printing a pattern and apparatus for printing a pattern
US-10800161-B2 · Oct 13, 2020 · US
Pattern-free anilox inking system and method
US-10737483-B2 · Aug 11, 2020 · US
Low-volume flexographic inking system
US-2020189262-A1 · Jun 18, 2020 · US
Liquid transfer apparatus
US-10632738-B2 · Apr 28, 2020 · US
Apparatus for flexographic printing and an inlet module
US-10632737-B2 · Apr 28, 2020 · US
Device for coating panels, printing press, and method for coating panels
US-2020122454-A1 · Apr 23, 2020 · US
Roller arrangement, a method of forming a pattern, a method of printing a pattern and apparatus for printing a pattern
US-2020094544-A1 · Mar 26, 2020 · US
Sealing Element for a Doctor Blade Chamber
US-2020032906-A1 · Jan 30, 2020 · US
Roller arrangement, a method of forming a pattern, a method of printing a pattern and apparatus for printing a pattern
US-10507642-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41F31/027?
- CPC B41F31/027 is the Cooperative Patent Classification code for “Ink rail devices for inking ink rollers.”
- How many patents are filed under CPC B41F31/027 (Ink rail devices for inking ink rollers)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC B41F31/027 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).