G03G 2221/1675
Jam treatment
Official title: jam treatment
G03G2221/1675 (Jam treatment) appears on 339 US grants and 249 published applications in this corpus.
Search patents in G03G- Granted patents
- 339
- Published applications
- 249
- Assignees
- 64
- Inventors
- 702
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 12 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 9 |
| 2003 | 6 | 10 |
| 2004 | 10 | 11 |
| 2005 | 7 | 16 |
| 2006 | 10 | 27 |
| 2007 | 13 | 22 |
| 2008 | 18 | 22 |
| 2009 | 18 | 23 |
| 2010 | 13 | 20 |
| 2011 | 18 | 24 |
| 2012 | 23 | 7 |
| 2013 | 15 | 1 |
| 2014 | 7 | 7 |
| 2015 | 8 | 7 |
| 2016 | 7 | 5 |
| 2017 | 5 | 8 |
| 2018 | 8 | 5 |
| 2019 | 5 | 5 |
| 2020 | 0 | 0 |
| 2021 | 5 | 5 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 8 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medium transport apparatus12 May 2026US 12,625,457 B2Oki Electric Industry Co., Ltd.
- Intermediate transfer unit and image forming apparatus16 Dec 2025US 12,498,664 B2Ricoh Company, Ltd.
- Sheet conveying device, fixing device, and image forming apparatus27 Aug 2024US 12,072,666 B2Ricoh Company, Ltd.
- Image forming apparatus including illumination device to illuminate jammed sheet2 Jul 2024US 12,028,494 B2Canon Kabushiki Kaisha
- Image forming apparatus with restricted rotatable feed tray21 Mar 2023US 11,609,527 B2Toshiba Tec Kabushiki Kaisha
- Cleaning apparatus and image forming apparatus27 Aug 2026US 2026/0251995 A1KYOCERA Document Solutions Inc.
- Image forming apparatus6 Aug 2026US 2026/0227728 A1Canon Kabushiki Kaisha
- Image forming apparatus2 Apr 2026US 2026/0093204 A1Canon Kabushiki Kaisha
- Image forming apparatus26 Mar 2026US 2026/0086495 A1Canon Kabushiki Kaisha
- Image forming apparatus12 Mar 2026US 2026/0072396 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Image forming apparatus having selectably controlled sheet discharge paths73US 5,839,032 ARicoh Company, Ltd. · 1998
- Image-forming machine having an image forming unit movable from an acting position to a non-acting position68US 6,101,349 AKyocera Mita Corporation · 2000
- Photoreceptor attachment device for an electrophotographic copying machine64US 4,952,989 ASharp Kabushiki Kaisha · 1990
- Image forming apparatus with sideways U-shaped sheet path62US 5,418,606 ACanon Kabushiki Kaisha · 1995
- Sheet conveyor single-handed parting engagement mechanism61US 6,145,828 AMita Industrial Co., Ltd. · 2000