B65H 2515/12
Density
B65H2515/12 (Density) appears on 98 US grants and 54 published applications in this corpus.
Search patents in B65H- Granted patents
- 98
- Published applications
- 54
- Assignees
- 61
- Inventors
- 206
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 6 |
| 2022 | 1 | 4 |
| 2023 | 4 | 5 |
| 2024 | 5 | 2 |
| 2025 | 1 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet stacking apparatus and image forming apparatus18 Aug 2026US 12,709,511 B2Canon Kabushiki Kaisha
- System and method for building a roll of material9 Jun 2026US 12,649,639 B2Kimberly-Clark Worldwide, Inc.
- Post-processing apparatus6 Jan 2026US 12,515,463 B2Seiko Epson Corporation
- Medium discharge device, post-processing device, recording system, control method of medium discharge device4 Mar 2025US 12,240,724 B2Seiko Epson Corporation
- Sheet transport device and method of controlling sheet transport device preliminary class17 Dec 2024US 12,168,586 B2Seiko Epson Corporation
- A method of winding a web9 Jul 2026US 2026/0193049 A1Valmet Corporation
- Sheet stacking apparatus and image forming apparatus5 Dec 2024US 2024/0400340 A1Canon Kabushiki Kaisha
- System and Method for Building a Roll of Material2 May 2024US 2024/0140752 A1Kimberly-Clark Worldwide, Inc.
- Medium discharge device, post-processing device, recording system, control method of medium discharge device7 Sep 2023US 2023/0278823 A1Seiko Epson Corporation
- Post-processing device, printing system, and controlling method of post-processing device10 Aug 2023US 2023/0249938 A1Seiko Epson Corporation
Most cited
By later US patents
- Toilet paper roll and method of manufacture thereof44US 4,783,015 AHiroshi Genda · 1988
- Method of producing coreless toilet paper rolls and the coreless toilet paper produced thereby36US 5,518,200 AKaji Seisakusho Y.K. · 1996
- Method for winding a traveling web on a belted two drum wound web roll winder35US 5,150,850 ABeloit Corporation · 1992
- Bobbin changing apparatus32US 4,340,187 ABarmag Barmer Maschinenfabrik AG · 1982
- Rider roll relieving system31US 4,811,915 AThe Black Clawson Company · 1989