B65H 2404/521
Reliefs
B65H2404/521 (Reliefs) appears on 150 US grants and 144 published applications in this corpus.
Search patents in B65H- Granted patents
- 150
- Published applications
- 144
- Assignees
- 74
- Inventors
- 412
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 5 |
| 2004 | 3 | 6 |
| 2005 | 7 | 7 |
| 2006 | 2 | 5 |
| 2007 | 1 | 2 |
| 2008 | 3 | 6 |
| 2009 | 2 | 5 |
| 2010 | 1 | 3 |
| 2011 | 4 | 5 |
| 2012 | 7 | 7 |
| 2013 | 6 | 8 |
| 2014 | 5 | 7 |
| 2015 | 9 | 10 |
| 2016 | 6 | 8 |
| 2017 | 6 | 8 |
| 2018 | 9 | 13 |
| 2019 | 8 | 1 |
| 2020 | 3 | 3 |
| 2021 | 3 | 7 |
| 2022 | 1 | 5 |
| 2023 | 4 | 9 |
| 2024 | 6 | 4 |
| 2025 | 5 | 2 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Taping device for secondary battery and secondary battery manufactured using the same18 Aug 2026US 12,712,196 B2Samsung SDI.Co., Ltd.
- Paper sheet storing device2 Jun 2026US 12,643,759 B2Glory Ltd.
- Sheet ejection device and image forming apparatus26 May 2026US 12,637,315 B2Ricoh Company, Ltd.
- Medium ejection apparatus including ejection tray formed with recessed part and beam part14 Apr 2026US 12,600,592 B2Pfu Limited
- Medium discharge device, medium processing device, and recording system2 Dec 2025US 12,486,132 B2Seiko Epson Corporation
- Sheet conveying device and image forming apparatus27 Aug 2026US 2026/0252017 A1Etria Co., Ltd.
- Spreading device, method for spreading a flat material web, spreading roller, and use of an individual spreading element on such a spreading roller20 Aug 2026US 2026/0242170 A1
- Sheet conveying apparatus14 May 2026US 2026/0131989 A1KYOCERA Document Solutions Inc.
- Recording medium transport device and image forming apparatus14 May 2026US 2026/0133532 A1FUJIFILM Business Innovation Corp.
- Recording medium transport device and image forming apparatus14 May 2026US 2026/0133533 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll46US 4,794,680 AUnion Carbide Corporation · 1989
- Elastic rotatable member36US 4,883,715 ACanon Kabushiki Kaisha · 1989
- Sheet separator in a printer30US 6,536,757 B2Samsung Electronics Co., Ltd. · 2003
- Sheet separator dam with buckling element28US 6,139,007 ALexmark International, Inc. · 2000
- Elastic rotatable member26US 4,804,576 ACanon Kabushiki Kaisha · 1989