B65H 2403/723
Wrap spring clutches
B65H2403/723 (Wrap spring clutches) appears on 34 US grants and 30 published applications in this corpus.
Search patents in B65H- Granted patents
- 34
- Published applications
- 30
- Assignees
- 20
- Inventors
- 61
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 3 | 3 |
| 2004 | 2 | 4 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 5 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheet conveying apparatus, image reading apparatus, and image forming apparatus21 Nov 2023US 11,820,618 B2Canon Kabushiki Kaisha
- Auxiliary media unit transporter for media processing devices29 Jan 2019US 10,189,660 B1ZIH Corp.
- Separation conveyance device, image forming apparatus, method for controlling separation conveyance device, and computer-readable recording medium13 Dec 2016US 9,517,905 B2Ricoh Company, Ltd.
- Sheet feeding apparatus, image reading apparatus, and image forming apparatus1 Mar 2016US 9,272,860 B2Canon Kabushiki Kaisha
- Sheet pickup apparatus and image forming apparatus having the same9 Feb 2016US 9,254,974 B2Samsung Electronics Co., Ltd.
- Sheet conveying apparatus, image reading apparatus, and image forming apparatus12 Aug 2021US 2021/0245978 A1Canon Kabushiki Kaisha
- Auxiliary media unit transporter for media processing devices10 Jan 2019US 2019/0010002 A1ZIH Corp.
- Separation conveyance device, image forming apparatus, method for controlling separation conveyance device, and computer-readable recording medium17 Dec 2015US 2015/0360892 A1Ricoh Company, Ltd.
- Sheet pickup apparatus and image forming apparatus having the same12 Nov 2015US 2015/0321862 A1Samsung Electronics Co., Ltd.
- Sheet feeding apparatus, image reading apparatus, and image forming apparatus2 Apr 2015US 2015/0091244 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Plastic card reorienting mechanism and interchangeable input hopper59US 7,398,972 B2DataCard Corporation · 2008
- Sheet feeding apparatus with rotary power transmission mechanism35US 5,624,109 AMurata Kikai Kabushinki Kaisha · 1997
- Paper feeding device28US 4,589,650 AMita Industrial Co., Ltd. · 1986
- Sheet feeding apparatus, image reading apparatus and image forming apparatus23US 6,554,270 B2Canon Kabushiki Kaisha · 2003
- Sheet feeder with stopper22US 6,991,227 B2Samsung Electronics Co., Ltd. · 2006