B65H 2301/531
Cleaning parts of handling machine
B65H2301/531 (Cleaning parts of handling machine) appears on 138 US grants and 116 published applications in this corpus.
Search patents in B65H- Granted patents
- 138
- Published applications
- 116
- Assignees
- 83
- Inventors
- 335
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 4 |
| 2003 | 1 | 3 |
| 2004 | 4 | 0 |
| 2005 | 1 | 9 |
| 2006 | 3 | 2 |
| 2007 | 1 | 3 |
| 2008 | 3 | 7 |
| 2009 | 2 | 3 |
| 2010 | 4 | 1 |
| 2011 | 1 | 5 |
| 2012 | 3 | 2 |
| 2013 | 5 | 2 |
| 2014 | 2 | 5 |
| 2015 | 10 | 6 |
| 2016 | 2 | 5 |
| 2017 | 4 | 1 |
| 2018 | 3 | 5 |
| 2019 | 5 | 4 |
| 2020 | 5 | 10 |
| 2021 | 6 | 7 |
| 2022 | 6 | 7 |
| 2023 | 5 | 8 |
| 2024 | 6 | 7 |
| 2025 | 9 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet detection device and image forming apparatus20 Jan 2026US 12,529,987 B2Canon Kabushiki Kaisha
- Control device, non-transitory computer readable medium storing control program, and feeding device4 Nov 2025US 12,459,765 B2FUJIFILM Business Innovation Corp.
- Sheet feeding device and image forming apparatus2 Sep 2025US 12,404,124 B2KYOCERA Document Solutions Inc.
- Image forming apparatus19 Aug 2025US 12,391,499 B2KYOCERA Document Solutions Inc.
- Sheet processing apparatus and image forming system1 Jul 2025US 12,344,499 B2Canon Kabushiki Kaisha
- Medium transport device, image reading device, and control method for medium transport device23 Jul 2026US 2026/0208989 A1Seiko Epson Corporation
- Medium transport device and recording device11 Jun 2026US 2026/0158803 A1Seiko Epson Corporation
- Medium transport device and recording device11 Jun 2026US 2026/0159346 A1Seiko Epson Corporation
- Recording medium transport device and image forming apparatus14 May 2026US 2026/0133532 A1FUJIFILM Business Innovation Corp.
- Medium transport apparatus25 Dec 2025US 2025/0388037 A1Seiko Epson Corporation
Most cited
By later US patents
- Web tracking apparatus44US 4,572,417 AEastman Kodak Company · 1986
- Film sheet load magazine43US 5,145,163 AMedrad, Inc. · 1992
- Cleaning sheet and method for cleaning paper path feed roller surfaces37US 5,227,844 AThe Texwipe Company LLC · 1993
- Recording material transport device and recording apparatus having the same36US 5,225,852 ACanon Kabushiki Kaisha · 1993
- Belt tracking system27US 4,344,693 AXerox Corporation · 1982