Security device including microimage elements
US-2025153499-A1 · May 15, 2025 · US
Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81)
Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81) · 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 | B41F31/00 |
| Official title | Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81) |
| Display label | Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81) |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi display structure and electronic device with the same
US-12271224-B2 · Apr 8, 2025 · US
Multi display structure and electronic device with the same
US-2023259160-A1 · Aug 17, 2023 · US
Refill containers with pressurized fluid chambers
US-11577520-B2 · Feb 14, 2023 · US
Two-component drip edge
US-11420437-B2 · Aug 23, 2022 · US
Printing machine having a printing roll and an anilox roll or an anilox sleeve and method for adjusting a printing machine
US-2022126568-A1 · Apr 28, 2022 · US
Sheet-fed printing machine having a simultaneous printing unit for security printing
US-11312125-B2 · Apr 26, 2022 · US
Refill containers with pressurized fluid chambers
US-2021283919-A1 · Sep 16, 2021 · US
Sheet-fed printing machine having a simultaneous printing unit for security printing
US-2021237426-A1 · Aug 5, 2021 · US
Method of forming microimage elements
US-2021206192-A1 · Jul 8, 2021 · US
Two-component drip edge
US-2020307176-A1 · Oct 1, 2020 · US
Selective transfer roll stamp
US-10744750-B2 · Aug 18, 2020 · US
Nanoporous stamp printing of nanoparticulate inks
US-10583677-B2 · Mar 10, 2020 · US
Selective transfer roll stamp
US-2019308400-A1 · Oct 10, 2019 · US
Anilox roll for forming alignment film
US-10166758-B2 · Jan 1, 2019 · US
Anilox roll for forming alignment film
US-2018215140-A1 · Aug 2, 2018 · US
Multicolour letterpress printing press having numbering cylinders and an additional printing
US-9931832-B2 · Apr 3, 2018 · US
Real-time surface energy pretreatment system
US-2017341421-A1 · Nov 30, 2017 · US
Method for the automated definition of color test values
US-9555618-B2 · Jan 31, 2017 · US
Multicolour letterpress printing press having numbering cylinders and an additional printing
US-2017008271-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41F31/00?
- CPC B41F31/00 is the Cooperative Patent Classification code for “Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81).”
- How many patents are filed under CPC B41F31/00 (Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81))?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B41F31/00 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).