G03G 2221/0068
Cleaning mechanism
G03G2221/0068 (Cleaning mechanism) appears on 178 US grants and 186 published applications in this corpus.
Search patents in G03G- Granted patents
- 178
- Published applications
- 186
- Assignees
- 45
- Inventors
- 459
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 4 |
| 2003 | 1 | 4 |
| 2004 | 4 | 4 |
| 2005 | 5 | 15 |
| 2006 | 8 | 9 |
| 2007 | 10 | 5 |
| 2008 | 5 | 8 |
| 2009 | 3 | 11 |
| 2010 | 4 | 11 |
| 2011 | 15 | 5 |
| 2012 | 11 | 1 |
| 2013 | 2 | 1 |
| 2014 | 3 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 3 |
| 2017 | 1 | 7 |
| 2018 | 9 | 8 |
| 2019 | 8 | 6 |
| 2020 | 6 | 12 |
| 2021 | 8 | 14 |
| 2022 | 15 | 9 |
| 2023 | 8 | 11 |
| 2024 | 16 | 17 |
| 2025 | 7 | 8 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus having removable fixing portion and filter holder21 Jul 2026US 12,687,812 B2Canon Kabushiki Kaisha
- Image forming apparatus and paper dust cleaning device14 Jul 2026US 12,681,426 B2KYOCERA Document Solutions Inc.
- Image forming apparatus including cleaning rod30 Jun 2026US 12,669,763 B2Canon Kabushiki Kaisha
- Image forming apparatus including cleaning portion that performs cleaning of sensing surface of sensor for outputting sensing value related to toner density5 May 2026US 12,619,184 B2KYOCERA Document Solutions Inc.
- Image forming apparatus28 Apr 2026US 12,613,492 B2Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310115 A1Canon Kabushiki Kaisha
- Image forming apparatus18 Jun 2026US 2026/0169418 A1KYOCERA Document Solutions Inc.
- Image forming apparatus4 Jun 2026US 2026/0153830 A1Canon Kabushiki Kaisha
- Elongated cords for developer devices21 May 2026US 2026/0140462 A1Hewlett-Packard Development Company, L. P.
- Developing apparatus and image forming apparatus26 Feb 2026US 2026/0056487 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Image forming apparatus having paper-dust removing devices53US 6,219,505 B1Brother Kogyo Kabushiki Kaisha · 2001
- Cleaning apparatus for a charge retentive surface36US 4,819,026 AXerox Corporation · 1989
- Image forming apparatus having an electrically charged paper dust removing brush32US 6,304,735 B1Brother Kogyo Kabushiki Kaisha · 2001
- Image forming apparatus with developing and cleaning system23US 5,148,219 AKabushiki Kaisha Toshiba · 1992
- Cleanerless electrographic imaging device23US 5,587,774 AFujitsu Limited · 1996