Process cartridge and image forming apparatus
US-2016378056-A1 · Dec 29, 2016 · US
Pivotable subunit connection
Pivotable subunit connection · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03G21/1825 |
| Official title | {Pivotable subunit connection} |
| Display label | Pivotable subunit connection |
| Total patents | 633 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 38 |
| 2016 | 38 |
| 2017 | 35 |
| 2018 | 50 |
| 2019 | 63 |
| 2020 | 72 |
| 2021 | 78 |
| 2022 | 67 |
| 2023 | 76 |
| 2024 | 60 |
| 2025 | 44 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cartridge and electrophotographic image forming apparatus
US-2016370756-A1 · Dec 22, 2016 · US
Process cartridge and image forming apparatus
US-9519260-B2 · Dec 13, 2016 · US
Process cartridge and electrophotographic image forming apparatus
US-9507318-B2 · Nov 29, 2016 · US
Process cartridge and image forming apparatus
US-9494916-B2 · Nov 15, 2016 · US
Image forming apparatus including coupling member selectively coupled to photosensitive drum
US-9477202-B2 · Oct 25, 2016 · US
Process cartridge having drum unit and developing unit
US-2016291536-A1 · Oct 6, 2016 · US
Cartridge, process cartridge and electrophotographic image forming apparatus
US-2016291540-A1 · Oct 6, 2016 · US
Image forming apparatus
US-2016252843-A1 · Sep 1, 2016 · US
Cartridge, rotary unit, and image forming apparatus
US-2016252847-A1 · Sep 1, 2016 · US
Developing cartridge and image forming apparatus employing the same
US-9429902-B2 · Aug 30, 2016 · US
Image forming apparatus
US-2016231693-A1 · Aug 11, 2016 · US
Process cartridge and image forming apparatus
US-2016223980-A1 · Aug 4, 2016 · US
Process cartridge and image forming apparatus
US-2016223985-A1 · Aug 4, 2016 · US
Developing apparatus having pushing unit and image forming apparatus having the same
US-9405267-B2 · Aug 2, 2016 · US
Process cartridge having force receiving portion and image forming apparatus including process cartridge
US-9348308-B2 · May 24, 2016 · US
Process cartridge and electrophotographic image forming apparatus
US-9335730-B2 · May 10, 2016 · US
Process unit
US-9335731-B2 · May 10, 2016 · US
Image Forming Apparatus Including Coupling Member Selectively Coupled to Photosensitive Drum
US-2016077483-A1 · Mar 17, 2016 · US
Developer container, developing apparatus, cleaning apparatus, process cartridge, and image forming apparatus
US-9280131-B2 · Mar 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03G21/1825?
- CPC G03G21/1825 is the Cooperative Patent Classification code for “Pivotable subunit connection.”
- How many patents are filed under CPC G03G21/1825 (Pivotable subunit connection)?
- Our database includes 633 publications tagged with this CPC code.
- Is patent activity under CPC G03G21/1825 growing?
- Publication counts under this code: 60 in 2024 vs 44 in 2025 (latest complete years).