B41J 15/02
Web rolls or spindles
Official title: Web rolls or spindles; Attaching webs to cores or spindles
B41J15/02 (Web rolls or spindles) appears on 229 US grants and 252 published applications in this corpus.
Search patents in B41J- Granted patents
- 229
- Published applications
- 252
- Assignees
- 78
- Inventors
- 415
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 20 |
| 2006 | 6 | 13 |
| 2007 | 13 | 15 |
| 2008 | 14 | 17 |
| 2009 | 10 | 12 |
| 2010 | 7 | 7 |
| 2011 | 10 | 7 |
| 2012 | 4 | 6 |
| 2013 | 5 | 10 |
| 2014 | 7 | 4 |
| 2015 | 8 | 10 |
| 2016 | 11 | 12 |
| 2017 | 10 | 13 |
| 2018 | 11 | 13 |
| 2019 | 10 | 10 |
| 2020 | 8 | 6 |
| 2021 | 6 | 7 |
| 2022 | 4 | 5 |
| 2023 | 10 | 5 |
| 2024 | 4 | 19 |
| 2025 | 11 | 18 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Media supply with self-locking media core for media processing devices25 Aug 2026US 12,715,727 B2Zebra Technologies Corporation
- Printing apparatus and control method therefor25 Aug 2026US 12,718,043 B2Canon Kabushiki Kaisha
- Liquid ejection device4 Aug 2026US 12,697,822 B2Seiko Epson Corporation
- Media application system with autonomous media replenishment28 Jul 2026US 12,691,697 B2Zebra Technologies Corporation
- Printer21 Jul 2026US 12,686,216 B2Toshiba Tec Kabushiki Kaisha
- Printer8 Oct 2026US 2026/0307403 A1Toshiba Tec Kabushiki Kaisha
- Printing apparatus, method for controlling printing apparatus, and storage medium17 Sep 2026US 2026/0273965 A1Canon Kabushiki Kaisha
- Printer23 Jul 2026US 2026/0208513 A1Toshiba Tec Kabushiki Kaisha
- Printer23 Jul 2026US 2026/0208514 A1Toshiba Tec Kabushiki Kaisha
- Printer16 Jul 2026US 2026/0200247 A1Toshiba Tec Kabushiki Kaisha
Most cited
By later US patents
- Intelligent printer components and printing system258US 6,227,643 B1Encad, Inc. · 2001
- Magnetic media holder for printer144US 9,656,487 B2Intermec Technologies Corporation · 2017
- Inkjet cartridge with ink reservoir core and releasable housing100US 7,404,633 B2Silverbrook Research Pty Ltd · 2008
- Roll sheet holder and tape printer94US 7,070,348 B2Brother Kogyo Kabushiki Kaisha · 2006
- Roll sheet holder and tape printer88US 7,232,268 B2Brother Kogyo Kabushiki Kaisha · 2007