G03G 2221/1815
For cleaning or developing but not being a process cartridge
Official title: for cleaning or developing but not being a process cartridge
G03G2221/1815 (For cleaning or developing but not being a process cartridge) appears on 146 US grants and 158 published applications in this corpus.
Search patents in G03G- Granted patents
- 146
- Published applications
- 158
- Assignees
- 31
- Inventors
- 208
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 8 |
| 2006 | 10 | 16 |
| 2007 | 10 | 17 |
| 2008 | 12 | 14 |
| 2009 | 8 | 12 |
| 2010 | 15 | 17 |
| 2011 | 10 | 13 |
| 2012 | 16 | 11 |
| 2013 | 18 | 5 |
| 2014 | 7 | 11 |
| 2015 | 4 | 3 |
| 2016 | 9 | 2 |
| 2017 | 3 | 2 |
| 2018 | 2 | 4 |
| 2019 | 5 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 3 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image-forming device having guide to guide drawer supporting developing units in main casing24 Dec 2024US 12,174,581 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus, image forming cartridge supporter, and image forming unit27 Jun 2023US 11,687,025 B2Brother Kogyo Kabushiki Kaisha
- Image-forming device having guide to guide drawer supporting developing units in main casing27 Jun 2023US 11,687,028 B2Brother Kogyo Kabushiki Kaisha
- Powder container, developing device, and image forming apparatus with multiple joints to prevent leakage7 Feb 2023US 11,573,506 B2Ricoh Company, Ltd.
- Image-forming device having guide to guide drawer supporting developing units in main casing1 Mar 2022US 11,262,690 B2Brother Kogyo Kabushiki Kaisha
- System including image forming apparatus and server apparatus10 Sep 2026US 2026/0267579 A1Canon Kabushiki Kaisha
- Toner cartridge16 Jul 2026US 2026/0202789 A1General Plastic Industrial Co., Ltd.
- Image forming apparatus8 Jan 2026US 2026/0010115 A1Canon Kabushiki Kaisha
- Image forming apparatus4 Sep 2025US 2025/0278052 A1KYOCERA Document Solutions Inc.
- Hold down assembly for a developer unit of an image forming device17 Jul 2025US 2025/0231518 A1Lexmark International, Inc.
Most cited
By later US patents
- Image forming apparatus52US 5,398,098 ASharp Kabushiki Kaisha · 1995
- Developing cartridge with mounting positioning feature and image forming apparatus using the same48US 5,995,782 ACanon Kabushiki Kaisha · 1999
- Developing device, image forming apparatus, image forming system, cartridge, developing unit and photoconductor unit41US 7,885,554 B2Seiko Epson Corporation · 2011
- Image forming apparatus and detachably mountable developer cartridge34US 7,463,834 B2Brother Kogyo Kabushiki Kaisha · 2008
- Cartridge detachably mounted on main casing32US 9,110,441 B2Brother Kogyo Kabushiki Kaisha · 2015