Porous cap felt pen
US-12479232-B2 · Nov 25, 2025 · US
with closing means {(B43K5/165 takes precedence)} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B43K5/17 |
| Official title | with closing means {(B43K5/165 takes precedence)} |
| Display label | with closing means {(B43K5/165 takes precedence)} |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12479232-B2 · Nov 25, 2025 · US
US-2025033401-A1 · Jan 30, 2025 · US
US-12162306-B2 · Dec 10, 2024 · US
US-2024253388-A1 · Aug 1, 2024 · US
US-12005730-B2 · Jun 11, 2024 · US
US-2023211627-A1 · Jul 6, 2023 · US
US-9296250-B2 · Mar 29, 2016 · US