A47J 31/34
With hot water under liquid pressure
Official title: with hot water under liquid pressure
A47J31/34 (With hot water under liquid pressure) appears on 1,520 US grants and 2,016 published applications in this corpus.
Search patents in A47J- Granted patents
- 1,520
- Published applications
- 2,016
- Assignees
- 548
- Inventors
- 2,259
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 6 |
| 2002 | 7 | 13 |
| 2003 | 14 | 19 |
| 2004 | 17 | 30 |
| 2005 | 13 | 46 |
| 2006 | 18 | 38 |
| 2007 | 10 | 46 |
| 2008 | 23 | 36 |
| 2009 | 24 | 42 |
| 2010 | 30 | 104 |
| 2011 | 21 | 84 |
| 2012 | 40 | 94 |
| 2013 | 64 | 133 |
| 2014 | 74 | 111 |
| 2015 | 74 | 119 |
| 2016 | 109 | 118 |
| 2017 | 89 | 116 |
| 2018 | 99 | 99 |
| 2019 | 95 | 123 |
| 2020 | 107 | 128 |
| 2021 | 86 | 95 |
| 2022 | 73 | 105 |
| 2023 | 75 | 90 |
| 2024 | 85 | 95 |
| 2025 | 63 | 66 |
| 2026 | 39 | 60 |
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
- Beverage filter cartridge holder266US 6,655,260 B2Keurig, Incorporated · 2003
- Apparatus for the preparation of an edible liquid263US 5,472,719 ACoffea S.A. · 1995