A47J 31/3695
Cartridge perforating means for creating the hot water inlet
Official title: {Cartridge perforating means for creating the hot water inlet (cartridge perforating means of the filter holder for creating the beverage outlet A47J31/0673)}
A47J31/3695 (Cartridge perforating means for creating the hot water inlet) appears on 261 US grants and 332 published applications in this corpus.
Search patents in A47J- Granted patents
- 261
- Published applications
- 332
- Assignees
- 91
- Inventors
- 390
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 6 |
| 2004 | 3 | 9 |
| 2005 | 4 | 9 |
| 2006 | 2 | 4 |
| 2007 | 3 | 9 |
| 2008 | 6 | 2 |
| 2009 | 5 | 5 |
| 2010 | 9 | 15 |
| 2011 | 3 | 16 |
| 2012 | 5 | 19 |
| 2013 | 7 | 8 |
| 2014 | 11 | 24 |
| 2015 | 15 | 22 |
| 2016 | 20 | 28 |
| 2017 | 16 | 26 |
| 2018 | 20 | 13 |
| 2019 | 19 | 31 |
| 2020 | 18 | 17 |
| 2021 | 20 | 17 |
| 2022 | 14 | 17 |
| 2023 | 18 | 14 |
| 2024 | 9 | 7 |
| 2025 | 7 | 7 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Coffee machine9 Jul 2026US 2026/0191351 A1
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- System for recognising capsules in beverage dispensing machines12 Feb 2026US 2026/0041270 A1Gb Progetti S.R.L.
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Most cited
By later US patents
- Beverage filter cartridge443US 5,325,765 AKeurig, Incorporated · 1994
- Cartridges containing substances for beverage preparation274US 5,897,899 ANestec S. A. · 1999
- Apparatus for the preparation of an edible liquid263US 5,472,719 ACoffea S.A. · 1995
- Brew chamber for a single serve beverage brewer201US 7,165,488 B2Keurig, Incorporated · 2007
- Apparatus for extracting cartridges containing coffee188US 5,197,374 ANestec S. A. · 1993