B65H 31/18
Positively-acting mechanical devices
B65H31/18 (Positively-acting mechanical devices) appears on 122 US grants and 98 published applications in this corpus.
Search patents in B65H- Granted patents
- 122
- Published applications
- 98
- Assignees
- 69
- Inventors
- 253
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 8 |
| 2009 | 6 | 9 |
| 2010 | 4 | 0 |
| 2011 | 8 | 7 |
| 2012 | 2 | 2 |
| 2013 | 4 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 9 |
| 2016 | 8 | 3 |
| 2017 | 6 | 8 |
| 2018 | 6 | 7 |
| 2019 | 7 | 1 |
| 2020 | 0 | 2 |
| 2021 | 4 | 5 |
| 2022 | 0 | 5 |
| 2023 | 3 | 0 |
| 2024 | 3 | 5 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Media conveying apparatus, media conveying method, and non-transitory recording medium3 Mar 2026US 12,565,395 B2Pfu Limited
- Sheet stacking device, image forming apparatus, control method, and recording medium14 Oct 2025US 12,441,578 B2Ricoh Company, Ltd.
- General printing management device, conveyance management device, and printing system26 Aug 2025US 12,398,010 B2Horizon Inc.
- Sheet post-processing apparatus, and image forming system and electronic apparatus provided therewith8 Oct 2024US 12,110,204 B2KYOCERA Document Solutions Inc.
- Removable raised tray system for small set production17 Sep 2024US 12,091,274 B2Xerox Corporation
- Sheet stacking device23 Jul 2026US 2026/0208995 A1Etria Co., Ltd.
- Media conveying apparatus, media conveying method, and non-transitory recording medium26 Dec 2024US 2024/0425320 A1Pfu Limited
- Sheet storage device7 Nov 2024US 2024/0367937 A1Ricoh Company, Ltd.
- Sheet processing apparatus and image forming system31 Oct 2024US 2024/0359940 A1Canon Finetech Nisca Inc.
- Sheet stacking device, image forming apparatus, control method, and recording medium30 May 2024US 2024/0174469 A1Ricoh Company, Ltd.
Most cited
By later US patents
- High capacity compiler with vertically adjustable sheet discharge and acquire means67US 5,288,062 AXerox Corporation · 1994
- Paper stacker52US 4,718,657 ADelphax Systems · 1988
- Elevator tray position control apparatus52US 5,017,972 AXerox Corporation · 1991
- Sheet ejecting mechanism with contact member and advance descending of tray to prevent direct return of contact member35US 6,142,469 ASharp Kabushiki Kaisha · 2000
- Paper stacking apparatus for image reading apparatus and image reading apparatus with paper stacking apparatus34US 5,743,518 AFujitsu Limited · 1998