A47J 31/446
Filter holding means
Official title: {Filter holding means; Attachment of filters to beverage-making apparatus}
A47J31/446 (Filter holding means) appears on 343 US grants and 394 published applications in this corpus.
Search patents in A47J- Granted patents
- 343
- Published applications
- 394
- Assignees
- 187
- Inventors
- 667
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 3 |
| 2003 | 5 | 9 |
| 2004 | 8 | 28 |
| 2005 | 6 | 14 |
| 2006 | 9 | 20 |
| 2007 | 16 | 8 |
| 2008 | 8 | 14 |
| 2009 | 9 | 4 |
| 2010 | 12 | 7 |
| 2011 | 6 | 12 |
| 2012 | 5 | 8 |
| 2013 | 9 | 16 |
| 2014 | 8 | 17 |
| 2015 | 8 | 15 |
| 2016 | 16 | 19 |
| 2017 | 11 | 15 |
| 2018 | 14 | 11 |
| 2019 | 17 | 22 |
| 2020 | 14 | 23 |
| 2021 | 11 | 16 |
| 2022 | 15 | 15 |
| 2023 | 14 | 23 |
| 2024 | 14 | 30 |
| 2025 | 10 | 25 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic portafilter clamping device for espresso machines22 Sep 2026US 12,740,665 B2
- Capsule holder for holding a capsule8 Sep 2026US 12,727,705 B2Societe des Produits Nestle S. A.
- Machine and method for producing and delivering coffee-based beverages1 Sep 2026US 12,721,467 B2Sanremo Coffee Machines Srl
- Automatic single-serving beverage brewing system18 Aug 2026US 12,708,233 B2TBDx Inc.
- Brewing unit28 Jul 2026US 12,690,714 B2Luigi Lavazza S.P.A.
- Brewing unit8 Oct 2026US 2026/0305864 A1Luigi Lavazza S.P.A.
- Coffee machine with filter holder detection system17 Sep 2026US 2026/0272213 A1Simonelli Group S.P.A.
- Control method for coffee machine and related device3 Sep 2026US 2026/0256314 A1Shenzhen Chenbei Technology Co., Ltd.
- Portafilter and coffee machine30 Jul 2026US 2026/0215610 A1Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.
- Manual coffee press assembly and method of making coffee using same25 Jun 2026US 2026/0174268 A1Optex Solar Pty Ltd
Most cited
By later US patents
- Apparatus for the preparation of an edible liquid263US 5,472,719 ACoffea S.A. · 1995
- Extraction of coffee contained in sealed cartridges245US 5,242,702 ANestec S. A. · 1993
- Beverage filter cartridge holder234US 6,079,315 AKeurig, Incorporated · 2000
- Beverage filter cartridge holder228US 6,182,554 B2Keurig, Incorporated · 2001
- Re-usable beverage filter cartridge204US 6,658,989 B2Keurig, Incorporated · 2003