A47J 31/24
Coffee-making apparatus in which hot water is passed through the filter under
Official title: Coffee-making apparatus in which hot water is passed through the filter under pressure, {i.e. in which the coffee grounds are extracted under pressure}(A47J31/043 {and A47J31/40} take precedence)
A47J31/24 (Coffee-making apparatus in which hot water is passed through the filter under) appears on 1,720 US grants and 2,223 published applications in this corpus.
Search patents in A47J- Granted patents
- 1,720
- Published applications
- 2,223
- Assignees
- 636
- Inventors
- 2,566
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 8 | 6 |
| 2002 | 8 | 18 |
| 2003 | 16 | 20 |
| 2004 | 24 | 37 |
| 2005 | 16 | 61 |
| 2006 | 21 | 45 |
| 2007 | 11 | 53 |
| 2008 | 26 | 49 |
| 2009 | 26 | 48 |
| 2010 | 38 | 111 |
| 2011 | 23 | 88 |
| 2012 | 42 | 103 |
| 2013 | 69 | 137 |
| 2014 | 83 | 116 |
| 2015 | 80 | 126 |
| 2016 | 114 | 125 |
| 2017 | 93 | 128 |
| 2018 | 106 | 112 |
| 2019 | 107 | 137 |
| 2020 | 116 | 139 |
| 2021 | 91 | 108 |
| 2022 | 76 | 111 |
| 2023 | 87 | 100 |
| 2024 | 97 | 108 |
| 2025 | 67 | 74 |
| 2026 | 44 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for producing a beverage, in particular coffee22 Sep 2026US 12,740,661 B2Starbucks Corporation
- Beverage preparation systems with enhanced disposition of motorized actuation22 Sep 2026US 12,740,662 B2Novadelta - ComéRcio E IndúStria De CaféS, Lda
- Hand-operated coffee press22 Sep 2026US 12,740,663 B2Superkop BV
- System for making beverages15 Sep 2026US 12,733,768 B2Caffitaly System S.P.A.
- Capsule holder for holding a capsule8 Sep 2026US 12,727,705 B2Societe des Produits Nestle S. A.
- Method for brewing coffee1 Oct 2026US 2026/0294157 A1Societe des Produits Nestle S. A.
- Portable press, grinder and accessories1 Oct 2026US 2026/0294158 A1AeroPress, Inc.
- Brewing device, beverage machine and control method for brewing device1 Oct 2026US 2026/0294160 A1Kalerm Technology (Suzhou) Co., Ltd
- Beverage preparation capsule17 Sep 2026US 2026/0272209 A1Luigi Lavazza S.P.A.
- Brewing and cooling a beverage17 Sep 2026US 2026/0272211 A1ColdSnap, Corp.
Most cited
By later US patents
- Beverage filter cartridge443US 5,325,765 AKeurig, Incorporated · 1994
- Automated beverage brewing system305US 6,142,063 AKeurig, Incorporated · 2000
- Cartridges containing substances for beverage preparation274US 5,897,899 ANestec S. A. · 1999
- Two step puncturing and venting of single serve filter cartridge in a beverage brewer272US 6,606,938 B2Keurig, Incorporated · 2003
- Beverage filter cartridge holder266US 6,655,260 B2Keurig, Incorporated · 2003