A47J 31/3609
Loose coffee being employed
Official title: {Loose coffee being employed}
A47J31/3609 (Loose coffee being employed) appears on 212 US grants and 213 published applications in this corpus.
Search patents in A47J- Granted patents
- 212
- Published applications
- 213
- Assignees
- 127
- Inventors
- 440
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 5 |
| 2004 | 5 | 5 |
| 2005 | 1 | 7 |
| 2006 | 3 | 6 |
| 2007 | 1 | 9 |
| 2008 | 4 | 3 |
| 2009 | 4 | 2 |
| 2010 | 2 | 23 |
| 2011 | 3 | 12 |
| 2012 | 5 | 7 |
| 2013 | 9 | 16 |
| 2014 | 14 | 13 |
| 2015 | 6 | 5 |
| 2016 | 18 | 5 |
| 2017 | 8 | 4 |
| 2018 | 5 | 6 |
| 2019 | 6 | 9 |
| 2020 | 7 | 9 |
| 2021 | 5 | 7 |
| 2022 | 6 | 5 |
| 2023 | 8 | 22 |
| 2024 | 4 | 9 |
| 2025 | 7 | 7 |
| 2026 | 4 | 16 |
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
- Coffee brewing system and coffee machine14 Jul 2026US 12,677,980 B2Guangdong Baishengtu Technology Co. Ltd.
- Brewing unit for a machine for preparing coffee5 May 2026US 12,616,332 B2De' Longhi Appliances S,R. L. Con Unico Socio
- Axially operable brewing system14 Apr 2026US 12,599,266 B2Bunn Commercial LP
- Coffee machines23 Sep 2025US 12,419,457 B2
- Method for brewing coffee1 Oct 2026US 2026/0294157 A1Societe des Produits Nestle S. A.
- Brewing device, beverage machine and control method for brewing device1 Oct 2026US 2026/0294160 A1Kalerm Technology (Suzhou) Co., Ltd
- Method for adjusting the amount of powder and beverage machine27 Aug 2026US 2026/0248319 A1Kalerm Technology (Suzhou) Co., Ltd
- Hybrid beverage preparation device with removable beverage substrate container30 Jul 2026US 2026/0215611 A1
- Pre-loading device, intelligent fully automatic beverage device having the pre-loading device, and control method thereof23 Jul 2026US 2026/0206998 A1Caye Technology (Suzhou) Co., Ltd.
Most cited
By later US patents
- Automatic espresso and cappuccino machine53US 5,490,447 AFaema S.p.A. · 1996
- Method for the preparation of coffee45US 4,767,632 ACafina AG · 1988
- Apparatus for preparing coffee44US 4,852,472 A1989
- Hot beverage brewing and dispensing apparatus and method42US 5,650,186 A1997
- Brewing apparatus40US 5,259,296 AJura Elektroapparate AG · 1993