G03G 15/6511
Feeding devices for picking up or separation of copy sheets
Official title: {Feeding devices for picking up or separation of copy sheets}
G03G15/6511 (Feeding devices for picking up or separation of copy sheets) appears on 597 US grants and 680 published applications in this corpus.
Search patents in G03G- Granted patents
- 597
- Published applications
- 680
- Assignees
- 80
- Inventors
- 1,082
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 5 | 14 |
| 2006 | 7 | 12 |
| 2007 | 7 | 16 |
| 2008 | 4 | 15 |
| 2009 | 13 | 22 |
| 2010 | 20 | 25 |
| 2011 | 13 | 31 |
| 2012 | 26 | 18 |
| 2013 | 32 | 21 |
| 2014 | 25 | 23 |
| 2015 | 25 | 24 |
| 2016 | 21 | 39 |
| 2017 | 49 | 79 |
| 2018 | 64 | 76 |
| 2019 | 64 | 53 |
| 2020 | 44 | 27 |
| 2021 | 24 | 30 |
| 2022 | 28 | 33 |
| 2023 | 27 | 20 |
| 2024 | 25 | 14 |
| 2025 | 15 | 40 |
| 2026 | 14 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet feeding device and image forming apparatus6 Oct 2026US 12,754,506 B2KYOCERA Document Solutions Inc.
- Sheet feeding device and image forming apparatus22 Sep 2026US 12,741,836 B2Canon Kabushiki Kaisha
- Sheet feeding apparatus to be connected to image forming apparatus25 Aug 2026US 12,715,229 B2Canon Kabushiki Kaisha
- Sheet conveyance apparatus and sheet conveyance system25 Aug 2026US 12,715,723 B2Canon Kabushiki Kaisha
- Paper feeding mechanism and printing equipment16 Jun 2026US 12,654,964 B2Guangzhou Luxvisions Innovation Technology Limited
- Recording medium supply device and image forming apparatus1 Oct 2026US 2026/0299487 A1FUJIFILM Business Innovation Corp.
- Sheet feeding apparatus and image forming system1 Oct 2026US 2026/0299488 A1Canon Kabushiki Kaisha
- Conveyance apparatus1 Oct 2026US 2026/0299489 A1Canon Kabushiki Kaisha
- Image forming apparatus24 Sep 2026US 2026/0288030 A1Canon Kabushiki Kaisha
- Recording medium supply device and image forming apparatus24 Sep 2026US 2026/0288043 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Cassette with turn cover and feed roller control42US 4,872,659 ARicoh Company, Ltd. · 1989
- Image-forming apparatus comprising a process unit40US 5,835,822 AFujitsu Limited · 1998
- Replaceable feed/retard roll unit33US 5,421,569 AXerox Corporation · 1995
- Paper feeding device30US 5,882,002 AFuji Xerox Co., Ltd. · 1999
- Recording device with second conveying path configured to guide sheet to an upstream side of the recording unit30US 8,152,391 B2Brother Kogyo Kabushiki Kaisha · 2012