Knock type writing instrument
US-2025367959-A1 · Dec 4, 2025 · US
operated by push-buttons
operated by push-buttons · 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 | B43K24/08 |
| Official title | operated by push-buttons |
| Display label | operated by push-buttons |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Writing instrument
US-12397579-B2 · Aug 26, 2025 · US
Electronic pen
US-2025208724-A1 · Jun 26, 2025 · US
Writing instrument
US-2025065665-A1 · Feb 27, 2025 · US
Retractable element for a writing implement
US-12122181-B2 · Oct 22, 2024 · US
Knock-type electronic pen including first and second position indicators located at different ends of a tubular casing
US-12001618-B2 · Jun 4, 2024 · US
Marking pen
US-11987068-B2 · May 21, 2024 · US
Writing tool
US-11964509-B2 · Apr 23, 2024 · US
Marking pen
US-2023086315-A1 · Mar 23, 2023 · US
Knock-type electronic pen
US-2022413639-A1 · Dec 29, 2022 · US
Multifunction pen
US-11472222-B2 · Oct 18, 2022 · US
Retractable element for a writing implement
US-2022227164-A1 · Jul 21, 2022 · US
Writing tool
US-2022126623-A1 · Apr 28, 2022 · US
Electronic pen and electronic pen main body
US-11314365-B2 · Apr 26, 2022 · US
Manual device with two retractable heads comprising a single mechanism with a single spring
US-11241905-B2 · Feb 8, 2022 · US
Input touch pen
US-10921909-B2 · Feb 16, 2021 · US
Multifunction pen
US-2021031557-A1 · Feb 4, 2021 · US
Manual device with two retractable heads comprising a single mechanism with a single spring
US-2020369070-A1 · Nov 26, 2020 · US
Electronic pen and electronic pen main body
US-2020363879-A1 · Nov 19, 2020 · US
Electronic pen and electronic pen main body
US-10768723-B2 · Sep 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43K24/08?
- CPC B43K24/08 is the Cooperative Patent Classification code for “operated by push-buttons.”
- How many patents are filed under CPC B43K24/08 (operated by push-buttons)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC B43K24/08 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).