Porous cap felt pen
US-12479232-B2 · Nov 25, 2025 · US
for pens {(caps co-operating with retractable nibs B43K5/165)} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B43K23/12 |
| Official title | for pens {(caps co-operating with retractable nibs B43K5/165)} |
| Display label | for pens {(caps co-operating with retractable nibs B43K5/165)} |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12479232-B2 · Nov 25, 2025 · US
US-12325255-B2 · Jun 10, 2025 · US
US-2025162343-A1 · May 22, 2025 · US
US-2025042194-A1 · Feb 6, 2025 · US
US-2025033401-A1 · Jan 30, 2025 · US
US-12202294-B2 · Jan 21, 2025 · US
US-2024427430-A1 · Dec 26, 2024 · US
US-12168363-B2 · Dec 17, 2024 · US
US-12144412-B2 · Nov 19, 2024 · US
US-2024300259-A1 · Sep 12, 2024 · US
US-12030337-B2 · Jul 9, 2024 · US
US-12005730-B2 · Jun 11, 2024 · US
US-11938750-B2 · Mar 26, 2024 · US
US-2024001706-A1 · Jan 4, 2024 · US
US-11787221-B2 · Oct 17, 2023 · US
US-2023311557-A1 · Oct 5, 2023 · US
US-2023292910-A1 · Sep 21, 2023 · US
US-2023211627-A1 · Jul 6, 2023 · US
US-11654711-B2 · May 23, 2023 · US
US-11589665-B2 · Feb 28, 2023 · US
Answers are generated from the same data shown on this page.