G03G 15/0942
With means for preventing toner scattering from the magnetic brush
Official title: {with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals}
G03G15/0942 (With means for preventing toner scattering from the magnetic brush) appears on 130 US grants and 99 published applications in this corpus.
Search patents in G03G- Granted patents
- 130
- Published applications
- 99
- Assignees
- 32
- Inventors
- 320
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 6 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 5 | 4 |
| 2006 | 2 | 7 |
| 2007 | 2 | 1 |
| 2008 | 5 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 2 |
| 2013 | 5 | 3 |
| 2014 | 3 | 3 |
| 2015 | 9 | 8 |
| 2016 | 7 | 3 |
| 2017 | 3 | 5 |
| 2018 | 2 | 1 |
| 2019 | 5 | 6 |
| 2020 | 4 | 3 |
| 2021 | 2 | 3 |
| 2022 | 9 | 4 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 7 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developing device with filter and a plurality of air exit paths and image forming apparatus6 Dec 2022US 11,520,250 B2FUJIFILM Business Innovation Corp.
- Imaging system with control member for conveyance path and developing roller having a peeling pole1 Nov 2022US 11,487,219 B2Hewlett-Packard Development Company, L. P.
- Developing device with elastic film to block air input1 Nov 2022US 11,487,224 B2Hewlett-Packard Development Company, L. P.
- Developing device to form electrostatic latent images25 Oct 2022US 11,480,892 B2Hewlett-Packard Development Company, L. P.
- Magnetic carrier bead separation5 Jul 2022US 11,378,898 B2Hewlett-Packard Development Company, L. P.
- Developing device and image forming apparatus17 Sep 2026US 2026/0277137 A1Ricoh Company, Ltd.
- Image forming apparatus9 Jul 2026US 2026/0194840 A1Canon Kabushiki Kaisha
- Developing apparatus25 Jun 2026US 2026/0177946 A1Canon Kabushiki Kaisha
- Image forming apparatus18 Jun 2026US 2026/0169403 A1KYOCERA Document Solutions Inc.
- Developing device and image forming apparatus4 Jun 2026US 2026/0153815 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge125US 6,978,099 B2Canon Kabushiki Kaisha · 2005
- Process cartridge, electrophotographic image forming apparatus and coupling therebetween105US 6,070,028 ACanon Kabushiki Kaisha · 2000
- Developing apparatus95US 5,790,923 ACanon Kabushiki Kaisha · 1998
- Developer container78US 6,104,894 ACanon Kabushiki Kaisha · 2000
- Developing apparatus and process cartridge73US 6,266,500 B1Canon Kabushiki Kaisha · 2001