B65H 2403/421
Involving at least a gear with toothless portion
Official title: involving at least a gear with toothless portion
B65H2403/421 (Involving at least a gear with toothless portion) appears on 94 US grants and 88 published applications in this corpus.
Search patents in B65H- Granted patents
- 94
- Published applications
- 88
- Assignees
- 31
- Inventors
- 181
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 5 |
| 2009 | 2 | 4 |
| 2010 | 4 | 5 |
| 2011 | 4 | 6 |
| 2012 | 6 | 7 |
| 2013 | 10 | 3 |
| 2014 | 4 | 8 |
| 2015 | 10 | 6 |
| 2016 | 1 | 5 |
| 2017 | 5 | 9 |
| 2018 | 8 | 3 |
| 2019 | 4 | 9 |
| 2020 | 6 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 1 |
| 2023 | 4 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Guide mechanism and paper sheet handling apparatus31 Mar 2026US 12,589,968 B2Fujitsu Frontech Limited
- Driving force transmission device and image forming apparatus5 Dec 2023US 11,834,292 B2Canon Kabushiki Kaisha
- Automated teller machine and medium conveyance route switching device for automated teller machine2 May 2023US 11,640,740 B2Hyosung Tns Inc.
- Driving force transmitting device, sheet feeding apparatus and image forming apparatus25 Apr 2023US 11,635,722 B2Canon Kabushiki Kaisha
- Drive transmission switching mechanism, paper sheet storage unit, and paper sheet processing device14 Feb 2023US 11,580,809 B2Japan Cash Machine Co., Ltd.
- Sheet conveyance device and image forming apparatus incorporating the sheet conveyance device25 Jun 2026US 2026/0177966 A1Ricoh Company, Ltd.
- Guide mechanism and paper sheet handling apparatus19 Sep 2024US 2024/0312282 A1Fujitsu Frontech Limited
- Driving force transmission device and image forming apparatus10 Feb 2022US 2022/0043373 A1Canon Kabushiki Kaisha
- Automated teller machine and medium conveyance route switching device for automated teller machine24 Jun 2021US 2021/0192879 A1Hyosung Tns Inc.
- Paper processing device13 May 2021US 2021/0138808 A1Primax Electronics Ltd.
Most cited
By later US patents
- Sheet feeding apparatus, image forming apparatus having the same and image reading apparatus having the same51US 6,260,840 B1Canon Kabushiki Kaisha · 2001
- Sheet feeding apparatus, image forming apparatus having the same and image reading apparatus having the same40US 6,378,858 B1Canon Kabushiki Kaisha · 2002
- Apparatus and method for delivery of sheet media to a printer33US 6,257,569 B1Hewlett-Packard Company · 2001
- Compactly assembled sheet feeding apparatus with a movable paper tray and separating member18US 5,984,297 ARicoh Company, Ltd. · 1999
- Sheet feeding apparatus, image forming apparatus having the same and image reading apparatus having the same18US 6,354,584 B1Canon Kabushiki Kaisha · 2002