Inking system with plurality of fountain roller elements
US-12311652-B2 · May 27, 2025 · US
Means for driving fountain rollers {(B41F13/12 takes precedence)} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41F31/13 |
| Official title | Means for driving fountain rollers {(B41F13/12 takes precedence)} |
| Display label | Means for driving fountain rollers {(B41F13/12 takes precedence)} |
| Total patents | 55 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 10 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 16 |
| 2023 | 10 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12311652-B2 · May 27, 2025 · US
US-2025083435-A1 · Mar 13, 2025 · US
US-2024239097-A1 · Jul 18, 2024 · US
US-11969988-B2 · Apr 30, 2024 · US
US-11926145-B2 · Mar 12, 2024 · US
US-11820121-B2 · Nov 21, 2023 · US
US-11801674-B2 · Oct 31, 2023 · US
US-11794465-B2 · Oct 24, 2023 · US
US-11787167-B2 · Oct 17, 2023 · US
US-11787166-B2 · Oct 17, 2023 · US
US-11780218-B2 · Oct 10, 2023 · US
US-11685150-B2 · Jun 27, 2023 · US
US-11628665-B2 · Apr 18, 2023 · US
US-2023064009-A1 · Mar 2, 2023 · US
US-11552636-B2 · Jan 10, 2023 · US
US-2022410560-A1 · Dec 29, 2022 · US
US-11504963-B2 · Nov 22, 2022 · US
US-11446921-B2 · Sep 20, 2022 · US
US-2022227115-A1 · Jul 21, 2022 · US
US-2022227142-A1 · Jul 21, 2022 · US
Answers are generated from the same data shown on this page.