Toy Vehicle
US-2026097325-A1 · Apr 9, 2026 · US
Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00)
Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00) · 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 | B43L1/00 |
| Official title | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00) |
| Display label | Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00) |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Marker pixel wicking apparatus
US-2025353321-A1 · Nov 20, 2025 · US
Whiteboard film, whiteboard, peep prevention system
US-12455500-B2 · Oct 28, 2025 · US
Efficient ink erasure system
US-12403719-B2 · Sep 2, 2025 · US
Marker pixel wicking apparatus
US-12403720-B2 · Sep 2, 2025 · US
Mobile gas technician training lab
US-2025191494-A1 · Jun 12, 2025 · US
Mobile gas technician training lab
US-12057029-B2 · Aug 6, 2024 · US
Efficient ink erasure system
US-2024227430-A1 · Jul 11, 2024 · US
Drawing substrate
US-2023382153-A1 · Nov 30, 2023 · US
Writing board set and peeking prevention system
US-2023311559-A1 · Oct 5, 2023 · US
Whiteboard film, whiteboard, peep prevention system
US-2023123755-A1 · Apr 20, 2023 · US
Drawing device
US-11498015-B2 · Nov 15, 2022 · US
Piezo electrophoretic display
US-11493821-B2 · Nov 8, 2022 · US
Marker pixel wicking apparatus
US-2022227165-A1 · Jul 21, 2022 · US
Using method of rewritable board
US-11054922-B2 · Jul 6, 2021 · US
Drawing device
US-2021138357-A1 · May 13, 2021 · US
Using method of rewritable board
US-2021124435-A1 · Apr 29, 2021 · US
Drawing device
US-10894220-B2 · Jan 19, 2021 · US
Handwriting board with fixing member to fix writing paper
US-10845988-B2 · Nov 24, 2020 · US
Electronic board
US-10817110-B2 · Oct 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B43L1/00?
- CPC B43L1/00 is the Cooperative Patent Classification code for “Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00).”
- How many patents are filed under CPC B43L1/00 (Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00))?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B43L1/00 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).