G03G 2221/0089
Mechanical
G03G2221/0089 (Mechanical) appears on 113 US grants and 114 published applications in this corpus.
Search patents in G03G- Granted patents
- 113
- Published applications
- 114
- Assignees
- 35
- Inventors
- 309
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 9 |
| 2006 | 5 | 5 |
| 2007 | 6 | 3 |
| 2008 | 4 | 7 |
| 2009 | 1 | 7 |
| 2010 | 3 | 9 |
| 2011 | 9 | 2 |
| 2012 | 11 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 4 |
| 2018 | 7 | 7 |
| 2019 | 7 | 4 |
| 2020 | 4 | 7 |
| 2021 | 4 | 6 |
| 2022 | 7 | 7 |
| 2023 | 4 | 6 |
| 2024 | 11 | 8 |
| 2025 | 3 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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 apparatus with fiber brush29 Jul 2025US 12,372,912 B2Canon Kabushiki Kaisha
- Scraping device and image forming apparatus including an applying part to apply an impact to a scraping part20 May 2025US 12,306,559 B2FUJIFILM Business Innovation Corp.
- Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus8 Apr 2025US 12,271,140 B2Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310115 A1Canon Kabushiki Kaisha
- Image forming apparatus18 Jun 2026US 2026/0169418 A1KYOCERA Document Solutions Inc.
- Elongated cords for developer devices21 May 2026US 2026/0140462 A1Hewlett-Packard Development Company, L. P.
- Image forming apparatus29 Jan 2026US 2026/0029732 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus4 Dec 2025US 2025/0370403 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- 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
- Cleanerless electrographic imaging device23US 5,587,774 AFujitsu Limited · 1996
- Toner conveyer device, process cartridge, and image forming apparatus23US 8,135,329 B2Ricoh Company, Ltd. · 2012
- Cleanerless image forming apparatus using an electrophotographic process19US 5,701,559 AKabushiki Kaisha TEC · 1997