G03G 21/1661
Means for handling parts of the apparatus in the apparatus
Official title: {means for handling parts of the apparatus in the apparatus (G03G21/1604, G03G21/1642 take precedence)}
G03G21/1661 (Means for handling parts of the apparatus in the apparatus) appears on 3,552 US grants and 3,577 published applications in this corpus.
Search patents in G03G- Granted patents
- 3,552
- Published applications
- 3,577
- Assignees
- 154
- Inventors
- 3,484
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 14 | 0 |
| 1989 | 22 | 0 |
| 1990 | 17 | 0 |
| 1991 | 11 | 0 |
| 1992 | 21 | 0 |
| 1993 | 24 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 8 |
| 2002 | 11 | 12 |
| 2003 | 14 | 15 |
| 2004 | 14 | 17 |
| 2005 | 14 | 38 |
| 2006 | 16 | 57 |
| 2007 | 33 | 76 |
| 2008 | 41 | 64 |
| 2009 | 35 | 90 |
| 2010 | 71 | 97 |
| 2011 | 93 | 136 |
| 2012 | 94 | 157 |
| 2013 | 156 | 166 |
| 2014 | 213 | 211 |
| 2015 | 269 | 245 |
| 2016 | 292 | 213 |
| 2017 | 190 | 212 |
| 2018 | 202 | 209 |
| 2019 | 227 | 174 |
| 2020 | 219 | 259 |
| 2021 | 234 | 240 |
| 2022 | 213 | 177 |
| 2023 | 197 | 207 |
| 2024 | 174 | 172 |
| 2025 | 170 | 213 |
| 2026 | 101 | 112 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image carrier unit and image forming apparatus6 Oct 2026US 12,754,492 B2FUJIFILM Business Innovation Corp.
- Intermediate transfer unit and image forming apparatus with replaceable cleaning device6 Oct 2026US 12,754,495 B2Canon Kabushiki Kaisha
- Image forming apparatus29 Sep 2026US 12,748,361 B2Canon Kabushiki Kaisha
- Cartridge, attachment and mounting kit29 Sep 2026US 12,748,372 B2Canon Kabushiki Kaisha
- Image forming apparatus including developing device supporting structure having guide groove29 Sep 2026US 12,748,373 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310115 A1Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310118 A1Canon Kabushiki Kaisha
- Fixing apparatus and image forming apparatus8 Oct 2026US 2026/0310119 A1Canon Kabushiki Kaisha
- Image forming device including switch switching according to whether fixing device is mounted or removed8 Oct 2026US 2026/0310122 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus and cleaning member1 Oct 2026US 2026/0299507 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- System for forming color images217US 6,708,011 B2Seiko Epson Corporation · 2004
- Process cartridge and electrophotographic image forming apparatus155US 6,954,601 B2Canon Kabushiki Kaisha · 2005
- Electrical and fluidic interface for an ink supply144US 6,203,147 B1Hewlett-Packard Company · 2001
- Method and apparatus for storing information on a replaceable ink container131US 6,065,824 AHewlett-Packard Company · 2000
- Process cartridge and image forming system on which process cartridge is mountable120US 5,623,328 ACanon Kabushiki Kaisha · 1997