G03G 15/70
Detecting malfunctions relating to paper handling
Official title: {Detecting malfunctions relating to paper handling, e.g. jams}
G03G15/70 (Detecting malfunctions relating to paper handling) appears on 569 US grants and 531 published applications in this corpus.
Search patents in G03G- Granted patents
- 569
- Published applications
- 531
- Assignees
- 77
- Inventors
- 1,233
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 11 |
| 2005 | 7 | 11 |
| 2006 | 9 | 8 |
| 2007 | 3 | 12 |
| 2008 | 6 | 13 |
| 2009 | 8 | 18 |
| 2010 | 7 | 14 |
| 2011 | 10 | 19 |
| 2012 | 13 | 11 |
| 2013 | 8 | 26 |
| 2014 | 24 | 35 |
| 2015 | 38 | 33 |
| 2016 | 28 | 34 |
| 2017 | 32 | 27 |
| 2018 | 30 | 47 |
| 2019 | 33 | 30 |
| 2020 | 29 | 34 |
| 2021 | 26 | 27 |
| 2022 | 20 | 24 |
| 2023 | 23 | 26 |
| 2024 | 29 | 16 |
| 2025 | 12 | 28 |
| 2026 | 14 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus that detects presence of sheet on transport route, and posture of branch guide, with single sensor6 Oct 2026US 12,754,508 B2KYOCERA Document Solutions Inc.
- Sheet carrier device and image forming system for determining whether there is sheet located at tearing jam place when jam occurs6 Oct 2026US 12,754,509 B2KYOCERA Document Solutions Inc.
- Sheet conveyance apparatus, image reading apparatus, and image forming apparatus18 Aug 2026US 12,709,507 B2Canon Kabushiki Kaisha
- Image forming apparatus and information processing system14 Jul 2026US 12,679,682 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus2 Jun 2026US 12,645,170 B2Canon Kabushiki Kaisha
- Information processing system, non-transitory computer readable medium storing information processing program, and information processing method8 Oct 2026US 2026/0310125 A1FUJIFILM Business Innovation Corp.
- Transportation device and image forming apparatus24 Sep 2026US 2026/0288045 A1FUJIFILM Business Innovation Corp.
- Conveyance apparatus, image forming system, and control method of conveyance apparatus24 Sep 2026US 2026/0288050 A1Konica Minolta, Inc.
- Image forming apparatus and method for fixing toner image to recording material10 Sep 2026US 2026/0267262 A1Canon Kabushiki Kaisha
- Sheet conveying device and image forming apparatus6 Aug 2026US 2026/0225838 A1Etria Co., Ltd.
Most cited
By later US patents
- Means for determining difference in copy sheet transportation states for an electrostatic reproduction machine101US 4,166,615 ASharp Kabushiki Kaisha · 1979
- Remote service system for image forming apparatuses64US 5,715,496 ARicoh Company, Ltd. · 1998
- Image forming apparatus with improved efficiency of maintenance control48US 5,347,346 AMinolta Camera Kabushiki Kaisha · 1994
- Remote service system for image forming apparatuses47US 5,835,816 ARicoh Company, Ltd. · 1998
- Electrostatic recording apparatus42US 4,875,063 ARicoh Company, Ltd. · 1989