Writing implement
US-12227024-B2 · Feb 18, 2025 · US
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Capillary nibs
Capillary nibs · 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 | B43K1/003 |
| Official title | {Capillary nibs} |
| Display label | Capillary nibs |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Writing instrument
US-12030334-B2 · Jul 9, 2024 · US
Nib for writing felt pen
US-11926171-B2 · Mar 12, 2024 · US
Writing implement
US-2024051329-A1 · Feb 15, 2024 · US
Writing instrument comprising a switchable flow material
US-11884092-B2 · Jan 30, 2024 · US
Wicking nib device and system
US-11813887-B2 · Nov 14, 2023 · US
Writing instruments and associated nib assemblies
US-2023226844-A1 · Jul 20, 2023 · US
Nib for writing felt pen
US-11697302-B2 · Jul 11, 2023 · US
Nib for writing felt pen
US-11597231-B2 · Mar 7, 2023 · US
Wicking nib device and system
US-2023027704-A1 · Jan 26, 2023 · US
Writing instrument
US-2023001736-A1 · Jan 5, 2023 · US
Nib for writing felt pen
US-2022388330-A1 · Dec 8, 2022 · US
Nib for writing felt pen
US-2022339959-A1 · Oct 27, 2022 · US
Wicking nib device and system
US-11472219-B2 · Oct 18, 2022 · US
Writing implement
US-11427027-B2 · Aug 30, 2022 · US
Writing instrument comprising a switchable flow material
US-2022184994-A1 · Jun 16, 2022 · US
Wicking nib device and system
US-2021331513-A1 · Oct 28, 2021 · US
Pen tip and writing tool equipped with the pen tip
US-2021316566-A1 · Oct 14, 2021 · US
Writing implement
US-2021237502-A1 · Aug 5, 2021 · US
Nib for writing felt pen
US-2021122181-A1 · Apr 29, 2021 · US