G03G 2215/0819
Two or more agitators
Official title: two or more agitators
G03G2215/0819 (Two or more agitators) appears on 375 US grants and 347 published applications in this corpus.
Search patents in G03G- Granted patents
- 375
- Published applications
- 347
- Assignees
- 51
- Inventors
- 621
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 14 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 4 |
| 2003 | 3 | 4 |
| 2004 | 4 | 7 |
| 2005 | 4 | 13 |
| 2006 | 13 | 19 |
| 2007 | 8 | 36 |
| 2008 | 16 | 31 |
| 2009 | 18 | 39 |
| 2010 | 32 | 35 |
| 2011 | 30 | 41 |
| 2012 | 49 | 21 |
| 2013 | 31 | 8 |
| 2014 | 24 | 8 |
| 2015 | 10 | 13 |
| 2016 | 11 | 5 |
| 2017 | 8 | 11 |
| 2018 | 8 | 8 |
| 2019 | 12 | 6 |
| 2020 | 7 | 3 |
| 2021 | 4 | 4 |
| 2022 | 4 | 8 |
| 2023 | 5 | 6 |
| 2024 | 6 | 5 |
| 2025 | 5 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Developing device including spiral blade for conveying developer while rotating and image forming apparatus22 Sep 2026US 12,743,039 B2KYOCERA Document Solutions Inc.
- Development device and image forming device that prevents toner leakage14 Jul 2026US 12,681,409 B2Sharp Kabushiki Kaisha
- Developing device and image forming apparatus19 May 2026US 12,631,989 B2KYOCERA Document Solutions Inc.
- Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing16 Dec 2025US 12,498,650 B2Brother Kogyo Kabushiki Kaisha
- Developing device, process cartridge, and image forming apparatus16 Dec 2025US 12,498,652 B2Ricoh Company, Ltd.
- Powder transportation device and image forming apparatus1 Oct 2026US 2026/0299465 A1FUJIFILM Business Innovation Corp.
- Developing device and image forming apparatus9 Jul 2026US 2026/0194838 A1FUJIFILM Business Innovation Corp.
- Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing12 Mar 2026US 2026/0072374 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus4 Dec 2025US 2025/0370378 A1FUJIFILM Business Innovation Corp.
- Development device and image forming apparatus therewith9 Oct 2025US 2025/0314990 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method184US 7,224,925 B2Canon Kabushiki Kaisha · 2007
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method169US 7,349,657 B2Canon Kabushiki Kaisha · 2008
- Developing device and process cartridge comprising first and second sealing members and electrophotographic image forming apparatus comprising a developing device comprising first and second sealing members165US 6,823,153 B2Canon Kabushiki Kaisha · 2004
- Developer agitating member123US 6,834,175 B2Canon Kabushiki Kaisha · 2004
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method102US 7,412,193 B2Canon Kabushiki Kaisha · 2008