Image forming apparatus
US-2026093203-A1 · Apr 2, 2026 · US
Details concerning the cleaning process
Details concerning the cleaning process · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03G2221/1627 |
| Official title | Details concerning the cleaning process |
| Display label | Details concerning the cleaning process |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image forming apparatus
US-2025328094-A1 · Oct 23, 2025 · US
Image forming apparatus
US-12416894-B2 · Sep 16, 2025 · US
Image forming apparatus
US-12411432-B2 · Sep 9, 2025 · US
Image forming apparatus with cleaning, collection, and discharge of toner
US-12360480-B2 · Jul 15, 2025 · US
Image forming apparatus
US-12360473-B2 · Jul 15, 2025 · US
Optical scanning device and image forming apparatus including the same
US-2025224687-A1 · Jul 10, 2025 · US
Scraping device and image forming apparatus including an applying part to apply an impact to a scraping part
US-12306559-B2 · May 20, 2025 · US
Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus
US-12271140-B2 · Apr 8, 2025 · US
Image forming apparatus
US-2025068117-A1 · Feb 27, 2025 · US
Image forming apparatus
US-2025044718-A1 · Feb 6, 2025 · US
Image forming apparatus
US-2024255890-A1 · Aug 1, 2024 · US
Scraping device and image forming apparatus
US-2024103405-A1 · Mar 28, 2024 · US
Image forming apparatus
US-2024085846-A1 · Mar 14, 2024 · US
Image forming method and image forming system
US-11868085-B2 · Jan 9, 2024 · US
Image forming apparatus
US-11860566-B2 · Jan 2, 2024 · US
Image forming apparatus
US-2023418184-A1 · Dec 28, 2023 · US
Image forming apparatus
US-2023195026-A1 · Jun 22, 2023 · US
Image forming method and image forming system
US-2022413405-A1 · Dec 29, 2022 · US
Cleaning transparent member provided on image forming apparatus to reduce foreign matter
US-11526114-B2 · Dec 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03G2221/1627?
- CPC G03G2221/1627 is the Cooperative Patent Classification code for “Details concerning the cleaning process.”
- How many patents are filed under CPC G03G2221/1627 (Details concerning the cleaning process)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC G03G2221/1627 growing?
- Publication counts under this code: 5 in 2024 vs 10 in 2025 (latest complete years).