Writing implement
US-12227024-B2 · Feb 18, 2025 · US
Combinations of pens
Combinations of pens · 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 | B43K27/08 |
| Official title | Combinations of pens |
| Display label | Combinations of pens |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic pen, electronic pen cartridge, and electronic pen main unit
US-12216841-B2 · Feb 4, 2025 · US
Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part
US-12187068-B2 · Jan 7, 2025 · US
Color linker
US-12036814-B2 · Jul 16, 2024 · US
Porous color linker
US-12017472-B2 · Jun 25, 2024 · US
Writing implement
US-2024051329-A1 · Feb 15, 2024 · US
Electronic pen, electronic pen cartridge, and electronic pen main unit
US-2024019946-A1 · Jan 18, 2024 · US
Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part
US-2023406029-A1 · Dec 21, 2023 · US
Writing instrument
US-11813888-B2 · Nov 14, 2023 · US
Electronic pen, electronic pen cartridge, and electronic pen main unit
US-11809644-B2 · Nov 7, 2023 · US
Writing implement
US-2022324250-A1 · Oct 13, 2022 · US
Electronic input devices with transformative tips
US-2022317787-A1 · Oct 6, 2022 · US
Color linker
US-2022297468-A1 · Sep 22, 2022 · US
Porous color linker
US-2022234379-A1 · Jul 28, 2022 · US
Writing instrument
US-2022088959-A1 · Mar 24, 2022 · US
Multifunction pen
US-11221686-B2 · Jan 11, 2022 · US
Electronic pen, electronic pen cartridge, and electronic pen main unit
US-2021382569-A1 · Dec 9, 2021 · US
Writing instrument comprising two concentric writing tips
US-11124013-B2 · Sep 21, 2021 · US
Integrated highlighting and shading marker system
US-11007813-B2 · May 18, 2021 · US
Multifunction pen
US-2020363881-A1 · Nov 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43K27/08?
- CPC B43K27/08 is the Cooperative Patent Classification code for “Combinations of pens.”
- How many patents are filed under CPC B43K27/08 (Combinations of pens)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B43K27/08 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).