High laydown writing tool dispensing a pigmented non-aqueous ink
US-2025313709-A1 · Oct 9, 2025 · US
Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00)
Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00) · 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 | B43K7/00 |
| Official title | Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00) |
| Display label | Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00) |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Efficient ink erasure system
US-12403719-B2 · Sep 2, 2025 · US
Finger pen with replicable tips
US-2025083469-A1 · Mar 13, 2025 · US
Aqueous ink composition for ballpoint pen
US-12202990-B2 · Jan 21, 2025 · US
Aqueous ink composition for writing instrument, and writing instrument
US-2025002736-A1 · Jan 2, 2025 · US
Thermoplastic resin composition and use thereof
US-2024376298-A1 · Nov 14, 2024 · US
Oil-based ink composition for writing utensils, writing utensil using same, and airbrush unit using same
US-12054622-B2 · Aug 6, 2024 · US
Efficient ink erasure system
US-2024227430-A1 · Jul 11, 2024 · US
Passive variable friction pen
US-12030339-B2 · Jul 9, 2024 · US
Finger pen with replicable tips
US-11999183-B1 · Jun 4, 2024 · US
Method for preparing thermochromic water-based gel ink compositions, and thermochromic water-based gel ink compositions thereof
US-11920047-B2 · Mar 5, 2024 · US
Diester of bisphenol fluorene compounds and thermochromic pigment compositions comprising the same
US-11814528-B2 · Nov 14, 2023 · US
Passive variable friction pen
US-2023234392-A1 · Jul 27, 2023 · US
Method for preparing thermochromic water-based gel ink compositions, and thermochromic water-based gel ink compositions thereof
US-2023167325-A1 · Jun 1, 2023 · US
Thermochromic pigment composition
US-11629256-B2 · Apr 18, 2023 · US
Dispersion liquid of colored resin fine particles for aqueous ink, and aqueous ink composition for writing instruments using same
US-11560489-B2 · Jan 24, 2023 · US
Color changing aqueous ink
US-2022259450-A1 · Aug 18, 2022 · US
Ink composition for water-based ballpoint pen
US-2022169874-A1 · Jun 2, 2022 · US
Erasable aqueous ink
US-2022162463-A1 · May 26, 2022 · US
Aqueous ink composition for writing instruments
US-2022154020-A1 · May 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43K7/00?
- CPC B43K7/00 is the Cooperative Patent Classification code for “Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00).”
- How many patents are filed under CPC B43K7/00 (Ball-point pens ({B43M11/085 takes precedence}; multiple-point writing implements B43K27/00))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B43K7/00 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).