G03G 21/1638
Directed to paper handling or jam treatment
Official title: {directed to paper handling or jam treatment}
G03G21/1638 (Directed to paper handling or jam treatment) appears on 412 US grants and 408 published applications in this corpus.
Search patents in G03G- Granted patents
- 412
- Published applications
- 408
- Assignees
- 57
- Inventors
- 798
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 7 |
| 2004 | 8 | 6 |
| 2005 | 2 | 9 |
| 2006 | 4 | 23 |
| 2007 | 12 | 34 |
| 2008 | 19 | 11 |
| 2009 | 20 | 9 |
| 2010 | 10 | 11 |
| 2011 | 16 | 16 |
| 2012 | 10 | 10 |
| 2013 | 9 | 19 |
| 2014 | 21 | 24 |
| 2015 | 23 | 19 |
| 2016 | 21 | 21 |
| 2017 | 22 | 28 |
| 2018 | 27 | 20 |
| 2019 | 20 | 15 |
| 2020 | 12 | 15 |
| 2021 | 19 | 14 |
| 2022 | 7 | 2 |
| 2023 | 11 | 15 |
| 2024 | 13 | 24 |
| 2025 | 20 | 30 |
| 2026 | 17 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus6 Oct 2026US 12,754,507 B2Konica Minolta, Inc.
- Printer and integrated light source module thereof1 Sep 2026US 12,724,380 B2Avision Inc.
- Sheet conveyance apparatus and sheet conveyance system25 Aug 2026US 12,715,723 B2Canon Kabushiki Kaisha
- Image forming apparatus11 Aug 2026US 12,704,801 B2Canon Kabushiki Kaisha
- Sheet conveyance apparatus and image forming apparatus having multiple driven rollers supported by guides in a curved conveyance path11 Aug 2026US 12,704,804 B2Canon Kabushiki Kaisha
- Image forming apparatus10 Sep 2026US 2026/0267271 A1Konica Minolta, Inc.
- Cleaning apparatus and image forming apparatus27 Aug 2026US 2026/0251995 A1KYOCERA Document Solutions Inc.
- Sheet feeding apparatus and image forming apparatus13 Aug 2026US 2026/0235983 A1Canon Kabushiki Kaisha
- Image forming apparatus13 Aug 2026US 2026/0235985 A1KYOCERA Document Solutions Inc.
- Image forming apparatus and operation control method that each allow operation of removing sheet wound around fixing member to be facilitated9 Jul 2026US 2026/0194846 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Cassette used for electrophotographic process engine126US 5,240,238 ASamsung Electronics Co., Ltd. · 1993
- Image forming apparatus having selectably controlled sheet discharge paths73US 5,839,032 ARicoh Company, Ltd. · 1998
- Image forming apparatus allowing simple replacement of intermediate transfer member and easy maintenance and handling of paper jams67US 5,587,769 AMinolta Co., Ltd. · 1996
- Sheet conveyor single-handed parting engagement mechanism61US 6,145,828 AMita Industrial Co., Ltd. · 2000
- Jam disposal for sheet post-processing device52US 6,824,128 B2Sharp Kabushiki Kaisha · 2004