B65H 2402/54
Springs
Official title: Springs, e.g. helical or leaf springs
B65H2402/54 (Springs) appears on 419 US grants and 451 published applications in this corpus.
Search patents in B65H- Granted patents
- 419
- Published applications
- 451
- Assignees
- 165
- Inventors
- 840
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 21 |
| 2003 | 20 | 12 |
| 2004 | 10 | 19 |
| 2005 | 5 | 14 |
| 2006 | 9 | 12 |
| 2007 | 10 | 12 |
| 2008 | 8 | 17 |
| 2009 | 12 | 19 |
| 2010 | 13 | 20 |
| 2011 | 10 | 21 |
| 2012 | 17 | 25 |
| 2013 | 29 | 12 |
| 2014 | 15 | 23 |
| 2015 | 27 | 32 |
| 2016 | 25 | 27 |
| 2017 | 17 | 11 |
| 2018 | 24 | 29 |
| 2019 | 26 | 17 |
| 2020 | 15 | 18 |
| 2021 | 14 | 17 |
| 2022 | 12 | 17 |
| 2023 | 17 | 17 |
| 2024 | 14 | 15 |
| 2025 | 15 | 10 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet feed device and image forming apparatus25 Aug 2026US 12,715,719 B2Konica Minolta, Inc.
- Medium conveying device and image forming apparatus11 Aug 2026US 12,703,594 B2FUJIFILM Business Innovation Corp.
- Assembly for restraining media in an automatic document feeder28 Jul 2026US 12,692,108 B2Lexmark International, Inc.
- Friction transport device and paper sheet transport device16 Jun 2026US 12,654,968 B2Japan Cash Machine Co., Ltd.
- Spring mounting structure, sheet housing device, waste toner container, and image forming apparatus12 May 2026US 12,625,458 B2Ricoh Company, Ltd.
- Thermoforming machine web transport assembly2 Jul 2026US 2026/0184007 A1Nelipak Coplay Road
- Sheet feeding cassette and recording device18 Jun 2026US 2026/0167444 A1Seiko Epson Corporation
- Image forming apparatus11 Jun 2026US 2026/0158805 A1KYOCERA Document Solutions Inc.
- Sheet housing device, sheet feeding device, and image forming apparatus11 Jun 2026US 2026/0159341 A1Ricoh Company, Ltd.
- Dispensing assembly for selectively dispensing a plurality of supplies of rolled sheet material21 May 2026US 2026/0138841 A1
Most cited
By later US patents
- Electronic length control wire pay-off system and method54US 6,527,216 B2Magnatech International, Inc. · 2003
- Sheet supply apparatus44US 6,045,220 ACanon Kabushiki Kaisha · 2000
- Flat article stacking and tray loading apparatus36US 4,518,160 AInternational Standard Electric Corporation · 1985
- Bill validator having constant spring bill accumulation mechanism36US 4,809,966 AKabushiki Kaisha Nippon Coinco · 1989
- Sheet supply apparatus30US 5,992,993 ACanon Kabushiki Kaisha · 1999