G03G 2215/0685
Fulfilling a continuous function within the electrographic apparatus during the use of
Official title: fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, not acting as a passive closure for the developer replenishing opening
G03G2215/0685 (Fulfilling a continuous function within the electrographic apparatus during the use of) appears on 224 US grants and 117 published applications in this corpus.
Search patents in G03G- Granted patents
- 224
- Published applications
- 117
- Assignees
- 45
- Inventors
- 375
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 4 |
| 2004 | 3 | 6 |
| 2005 | 6 | 14 |
| 2006 | 8 | 13 |
| 2007 | 10 | 15 |
| 2008 | 2 | 6 |
| 2009 | 14 | 9 |
| 2010 | 7 | 1 |
| 2011 | 5 | 7 |
| 2012 | 7 | 5 |
| 2013 | 6 | 3 |
| 2014 | 5 | 2 |
| 2015 | 1 | 3 |
| 2016 | 5 | 1 |
| 2017 | 2 | 2 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 4 | 4 |
| 2021 | 2 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developer supply container and developer supplying system19 May 2026US 12,631,987 B2Canon Kabushiki Kaisha
- Toner cartridge having a wall with a curved portion and an image forming apparatus14 Apr 2026US 12,602,003 B2FUJIFILM Business Innovation Corp.
- Toner cartridge with waste toner dispersing member connected to and driven by toner transport member10 Feb 2026US 12,547,097 B2Hewlett-Packard Development Company, L. P.
- Developer replenishment container with annular seal member16 Dec 2025US 12,498,651 B2Canon Kabushiki Kaisha
- Image forming apparatus10 Jun 2025US 12,326,676 B2Canon Kabushiki Kaisha
- Developer supply container and developer supplying system17 Sep 2026US 2026/0277131 A1Canon Kabushiki Kaisha
- Image forming apparatus11 Jun 2026US 2026/0161112 A1Canon Kabushiki Kaisha
- Toner cartridge with waste toner dispersing member connected to and driven by toner transport member7 Aug 2025US 2025/0251679 A1Hewlett-Packard Development Company, L. P.
- Developer supply container and developer supplying system12 Dec 2024US 2024/0411242 A1Canon Kabushiki Kaisha
- Developer replenishment container27 Jun 2024US 2024/0210855 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Developer cartridge and developer replenishing apparatus121US 5,890,040 AKonica Corporation · 1999
- Development unit and toner cartridge for use in an image formation apparatus109US 5,608,501 ABrother Kogyo Kabushiki Kaisha · 1997
- Developer replenishing device and developer container for use therewith103US 5,455,662 ARicoh Company, Ltd. · 1995
- Cartridge discriminating system101US 5,184,181 AMita Industrial Co., Ltd. · 1993
- Clean spiral toner cartridge99US 5,495,323 AXerox Corporation · 1996