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
Sheet printing presses
Sheet printing presses · 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 | B41F9/021 |
| Official title | {Sheet printing presses} |
| Display label | Sheet printing presses |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Intaglio gravure printing press and method for applying at least one printing fluid onto at least one substrate
US-11878508-B2 · Jan 23, 2024 · US
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
Gravure printing unit with inking unit cylinders
US-11724485-B2 · Aug 15, 2023 · US
Gravure printing units and method for adjusting and/or modifying an ink transfer in a gravure printing method
US-11559976-B2 · Jan 24, 2023 · US
Intaglio gravure printing press and method for applying at least one printing fluid onto at least one substrate
US-2023012947-A1 · Jan 19, 2023 · US
Gravure printing unit with inking unit cylinders
US-2022371317-A1 · Nov 24, 2022 · US
Gravure printing units for printing onto substrate, printing press with such a gravure printing unit, ink transfer forme and method for setting up an inking unit cylinder comprised by a gravure printing unit
US-11504962-B2 · Nov 22, 2022 · US
Gravure printing units for printing onto substrates by a gravure printing method
US-11440312-B2 · Sep 13, 2022 · US
Gravure printing unit and method for checking and/or adjusting and/or correcting a relative position
US-11396195-B2 · Jul 26, 2022 · US
Gravure printing unit and method for checking and/or adjusting and/or correcting a relative position
US-2022088955-A1 · Mar 24, 2022 · US
Gravure printing units for printing onto substrate, printing press with such a gravure printing unit, ink transfer forme and method for setting up an inking unit cylinder comprised by a gravure printing unit
US-2022040967-A1 · Feb 10, 2022 · US
Drying unit for drying printed substrates
US-11220101-B2 · Jan 11, 2022 · US
Gravure printing units and method for adjusting and/or modifying an ink transfer in a gravure printing method
US-2021362486-A1 · Nov 25, 2021 · US
Drying unit for drying printed substrates
US-2021323300-A1 · Oct 21, 2021 · US
Gravure printing units for printing onto substrates by a gravure printing method
US-2021178748-A1 · Jun 17, 2021 · US
Sheet-fed printing press for simultaneous recto-verso printing of sheets, in particular for the production of security documents
US-10875290-B2 · Dec 29, 2020 · US
Print color stability
US-10768544-B2 · Sep 8, 2020 · US
Sheet-fed printing press for simultaneous recto-verso printing of sheets, in particular for the production of security documents
US-2020001591-A1 · Jan 2, 2020 · US
Print color stability
US-2019324378-A1 · Oct 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41F9/021?
- CPC B41F9/021 is the Cooperative Patent Classification code for “Sheet printing presses.”
- How many patents are filed under CPC B41F9/021 (Sheet printing presses)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B41F9/021 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).