G03G 15/0889
For agitation or stirring
Official title: {for agitation or stirring}
G03G15/0889 (For agitation or stirring) appears on 810 US grants and 801 published applications in this corpus.
Search patents in G03G- Granted patents
- 810
- Published applications
- 801
- Assignees
- 69
- Inventors
- 1,093
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 4 |
| 2002 | 6 | 3 |
| 2003 | 0 | 2 |
| 2004 | 1 | 4 |
| 2005 | 4 | 7 |
| 2006 | 2 | 8 |
| 2007 | 4 | 8 |
| 2008 | 4 | 15 |
| 2009 | 9 | 8 |
| 2010 | 13 | 11 |
| 2011 | 10 | 14 |
| 2012 | 10 | 20 |
| 2013 | 18 | 45 |
| 2014 | 35 | 42 |
| 2015 | 64 | 47 |
| 2016 | 59 | 54 |
| 2017 | 48 | 66 |
| 2018 | 70 | 67 |
| 2019 | 65 | 54 |
| 2020 | 77 | 61 |
| 2021 | 58 | 55 |
| 2022 | 53 | 54 |
| 2023 | 37 | 44 |
| 2024 | 34 | 36 |
| 2025 | 42 | 47 |
| 2026 | 20 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developing cartridge6 Oct 2026US 12,754,494 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus having cyclonic separating portion, toner container, and developing apparatus15 Sep 2026US 12,736,896 B2Canon Kabushiki Kaisha
- Developer accommodating unit with stirring member and visor portion4 Aug 2026US 12,699,337 B2Canon Kabushiki Kaisha
- Development device and image forming device that prevents toner leakage14 Jul 2026US 12,681,409 B2Sharp Kabushiki Kaisha
- Carrier for electrophotographic image formation, developer for electrophotographic image formation, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge7 Jul 2026US 12,675,063 B2Ricoh Company, Ltd.
- Image forming apparatus8 Oct 2026US 2026/0310117 A1Canon Kabushiki Kaisha
- Image forming apparatus1 Oct 2026US 2026/0299462 A1
- Powder transportation device and image forming apparatus1 Oct 2026US 2026/0299465 A1FUJIFILM Business Innovation Corp.
- Drum unit24 Sep 2026US 2026/0288056 A1Brother Kogyo Kabushiki Kaisha
- Developer accommodating device, developing device, cartridge and image forming apparatus17 Sep 2026US 2026/0277134 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Imaging apparatus cartridge including an encoded device182US 5,995,772 ALexmark International, Inc. · 1999
- Multiple function encoder wheel for cartridges utilized in an electrophotographic output device61US 5,634,169 ALexmark International, Inc. · 1997
- Cartridge, process cartridge and image forming apparatus54US 9,116,466 B2Canon Kabushiki Kaisha · 2015
- Developer accommodating unit, process cartridge and electrophotographic image forming apparatus52US 9,665,040 B2Canon Kabushiki Kaisha · 2017
- Developer supply container51US 7,412,192 B2Canon Kabushiki Kaisha · 2008