B29L 2031/7678
Ink or toner cartridges
Official title: {Ink or toner cartridges}
B29L2031/7678 (Ink or toner cartridges) appears on 46 US grants and 71 published applications in this corpus.
Search patents in B29L- Granted patents
- 46
- Published applications
- 71
- Assignees
- 15
- Inventors
- 134
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 4 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 3 | 4 |
| 2015 | 0 | 4 |
| 2016 | 6 | 9 |
| 2017 | 3 | 2 |
| 2018 | 2 | 7 |
| 2019 | 5 | 5 |
| 2020 | 3 | 0 |
| 2021 | 5 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 8 |
| 2025 | 2 | 2 |
| 2026 | 0 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mold, method of producing product, method of producing image forming apparatus, and non-transitory computer-readable recording medium25 Nov 2025US 12,479,138 B2Canon Kabushiki Kaisha
- Container and method of manufacturing same23 Sep 2025US 12,420,556 B2Canon Kabushiki Kaisha
- Molded product26 Nov 2024US 12,153,357 B2Canon Kabushiki Kaisha
- Applying mold chase structure to end portion of fluid ejection die28 Nov 2023US 11,827,021 B2Hewlett-Packard Development Company, L. P.
- Movable mold insert adjuster6 Sep 2022US 11,433,571 B2Hewlett-Packard Development Company, L. P.
- Method for producing blow-molded article, resin composition, and pellet13 Aug 2026US 2026/0233452 A1Canon Kabushiki Kaisha
- Blow-molded article, method for producing toner bottle and blow-molded article, molded article, and pellet13 Aug 2026US 2026/0233453 A1Canon Kabushiki Kaisha
- Plastic product and method for producing a plastic product2 Jul 2026US 2026/0183995 A1
- Resin mixture, preform, biaxially oriented molded article, resin pellet and method for producing biaxially oriented molded article28 May 2026US 2026/0145378 A1
- Flow channel member, liquid ejection head, and method for molding flow channel member30 Apr 2026US 2026/0116068 A1
Most cited
By later US patents
- Connecting method of resin material molded product, process cartridge and assembling method of process cartridge137US 6,415,121 B1Canon Kabushiki Kaisha · 2002
- Method of recycling mixed streams of ewaste (WEEE)53US 7,902,262 B2Close the Loop Technologies Pty Ltd. · 2011
- Cartridge having molded resin electrode27US 8,879,944 B2Canon Kabushiki Kaisha · 2014
- Cartridge including cartridge electrode integrally molded with frame19US 9,367,025 B2Canon Kabushiki Kaisha · 2016
- Manufacturing method for cartridge having a molded electrode19US 9,688,008 B2Canon Kabushiki Kaisha · 2017