B65H 29/246
Acting on stacking devices
Official title: {acting on stacking devices}
B65H29/246 (Acting on stacking devices) appears on 132 US grants and 102 published applications in this corpus.
Search patents in B65H- Granted patents
- 132
- Published applications
- 102
- Assignees
- 61
- Inventors
- 280
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 4 |
| 2010 | 3 | 0 |
| 2011 | 1 | 5 |
| 2012 | 1 | 5 |
| 2013 | 4 | 5 |
| 2014 | 3 | 8 |
| 2015 | 5 | 2 |
| 2016 | 3 | 5 |
| 2017 | 8 | 7 |
| 2018 | 6 | 11 |
| 2019 | 6 | 7 |
| 2020 | 5 | 4 |
| 2021 | 4 | 4 |
| 2022 | 9 | 8 |
| 2023 | 4 | 5 |
| 2024 | 3 | 7 |
| 2025 | 6 | 3 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recording device6 Oct 2026US 12,752,558 B2Seiko Epson Corporation
- Sheet postprocessing device and image forming system including the sheet postprocessing device31 Mar 2026US 12,589,966 B2KYOCERA Document Solutions Inc.
- Sheet stacker and image forming apparatus24 Feb 2026US 12,559,337 B2Ricoh Company, Ltd.
- Sheet stacker and printing apparatus10 Feb 2026US 12,545,545 B2Ricoh Company, Ltd.
- Image forming apparatus23 Dec 2025US 12,503,329 B2Ricoh Company, Ltd.
- Sheet stacking device and image forming apparatus25 Dec 2025US 2025/0388426 A1
- Sheet discharger, and sheet post-processing device and image forming apparatus each including the sheet discharger26 Jun 2025US 2025/0206045 A1KYOCERA Document Solutions Inc.
- Recording device30 Jan 2025US 2025/0033390 A1Seiko Epson Corporation
- Sheet stacker and printing apparatus28 Nov 2024US 2024/0391723 A1Ricoh Company, Ltd.
- Sheet stacker and image forming apparatus24 Oct 2024US 2024/0351816 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Device for collecting and stacking photographic prints35US 4,441,702 AAgfa-Gevaert · 1984
- Device in the delivery of sheet-fed rotary printing machine for exhibiting curl formation on the leading edge of a delivered sheet30US 4,702,468 AHeidelberger Druckmaschinen AG · 1987
- Optical registration system for label printer cutter attachment27US 5,823,692 AFargo Electronics, Inc. · 1998
- Sheet feeding apparatus that uses a variable vacuum surface and timer to achieve a duplicate feed preventive function24US 5,181,706 ASharp Kabushiki Kaisha · 1993
- Sheet stacker23US 4,799,847 AJagenberg Aktiengesellschaft · 1989