Shaft body of pencil or cosmetic
US-12466210-B2 · Nov 11, 2025 · US
Pencils with graphite; Coloured pencils
Pencils with graphite; Coloured pencils · 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 | B43K19/02 |
| Official title | Pencils with graphite; Coloured pencils |
| Display label | Pencils with graphite; Coloured pencils |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pencil lead and manufacturing method for same
US-2025340082-A1 · Nov 6, 2025 · US
Non-baked pencil lead
US-2025320369-A1 · Oct 16, 2025 · US
Active stylus having physical writing function
US-12223127-B2 · Feb 11, 2025 · US
Shaft body of pencil or cosmetic
US-2024424825-A1 · Dec 26, 2024 · US
Body for a writing, tracing, drawing or coloring pencil
US-12172458-B2 · Dec 24, 2024 · US
Lead comprising binder made from cellulose esters
US-2024400850-A1 · Dec 5, 2024 · US
Color-change and erasable writing compositions, writing instruments, and systems
US-12122930-B2 · Oct 22, 2024 · US
Erasable writing compositions
US-12097722-B2 · Sep 24, 2024 · US
Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring
US-12070966-B2 · Aug 27, 2024 · US
Non-baked pencil lead and method for manufacturing non-baked pencil lead
US-2024209230-A1 · Jun 27, 2024 · US
Color-change and erasable writing compositions, writing instruments, and systems
US-2024101853-A1 · Mar 28, 2024 · US
Active stylus having physical writing function
US-2024094834-A1 · Mar 21, 2024 · US
Color-change and erasable writing compositions, writing instruments, and systems
US-11866603-B2 · Jan 9, 2024 · US
Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring
US-11865855-B2 · Jan 9, 2024 · US
Pencil lead
US-2023398808-A1 · Dec 14, 2023 · US
Improved coloring pencil lead for synthetic pencil based on biopolymers blends
US-2023373236-A1 · Nov 23, 2023 · US
Diester of bisphenol fluorene compounds and thermochromic pigment compositions comprising the same
US-11814528-B2 · Nov 14, 2023 · US
Application container with weakened portion
US-11745920-B2 · Sep 5, 2023 · US
Body for a writing, tracing, drawing or coloring pencil
US-11718124-B2 · Aug 8, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43K19/02?
- CPC B43K19/02 is the Cooperative Patent Classification code for “Pencils with graphite; Coloured pencils.”
- How many patents are filed under CPC B43K19/02 (Pencils with graphite; Coloured pencils)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B43K19/02 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).