Knock type writing instrument
US-2025367959-A1 · Dec 4, 2025 · US
with retractable ball points (mechanisms for retracting or locking ball points B43K24/00)
with retractable ball points (mechanisms for retracting or locking ball points B43K24/00) · 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 | B43K7/12 |
| Official title | with retractable ball points (mechanisms for retracting or locking ball points B43K24/00) |
| Display label | with retractable ball points (mechanisms for retracting or locking ball points B43K24/00) |
| Total patents | 31 |
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 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 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
Ballpoint pen refill and ballpoint pen
US-12275271-B2 · Apr 15, 2025 · US
Writing instrument
US-2025065665-A1 · Feb 27, 2025 · US
Ballpoint pen refill and ballpoint pen
US-2024416674-A1 · Dec 19, 2024 · US
Writing instruments
US-12017473-B2 · Jun 25, 2024 · US
Writing instrument
US-11813888-B2 · Nov 14, 2023 · US
Writing tool provided with refill
US-11654711-B2 · May 23, 2023 · US
Writing instruments
US-2022297467-A1 · Sep 22, 2022 · US
Writing instrument
US-2022088959-A1 · Mar 24, 2022 · US
Multifunctional writing instrument
US-11124012-B2 · Sep 21, 2021 · US
Writing tool provided with refill
US-2021178803-A1 · Jun 17, 2021 · US
Electronic pen and electronic pen main body unit
US-10739872-B2 · Aug 11, 2020 · US
Multifunctional writing instrument
US-2020238749-A1 · Jul 30, 2020 · US
Position pointer
US-10589562-B2 · Mar 17, 2020 · US
Knock type writing instrument
US-10576775-B2 · Mar 3, 2020 · US
Writing tool refill and writing tool using same
US-10569596-B2 · Feb 25, 2020 · US
Writing instrument with self-blocking assembly
US-10556460-B2 · Feb 11, 2020 · US
Writing instrument with resetting operating unit
US-10532602-B2 · Jan 14, 2020 · US
Writing instrument with self-blocking assembly
US-2019047319-A1 · Feb 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43K7/12?
- CPC B43K7/12 is the Cooperative Patent Classification code for “with retractable ball points (mechanisms for retracting or locking ball points B43K24/00).”
- How many patents are filed under CPC B43K7/12 (with retractable ball points (mechanisms for retracting or locking ball points B43K24/00))?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B43K7/12 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).