A47J 31/18
Apparatus in which ground coffee or tea-leaves are immersed in the hot
Official title: Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container
A47J31/18 (Apparatus in which ground coffee or tea-leaves are immersed in the hot) appears on 404 US grants and 585 published applications in this corpus.
Search patents in A47J- Granted patents
- 404
- Published applications
- 585
- Assignees
- 245
- Inventors
- 866
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 0 |
| 2002 | 5 | 3 |
| 2003 | 3 | 4 |
| 2004 | 4 | 1 |
| 2005 | 4 | 8 |
| 2006 | 4 | 11 |
| 2007 | 5 | 18 |
| 2008 | 4 | 8 |
| 2009 | 3 | 14 |
| 2010 | 5 | 29 |
| 2011 | 5 | 17 |
| 2012 | 6 | 24 |
| 2013 | 12 | 31 |
| 2014 | 14 | 29 |
| 2015 | 21 | 29 |
| 2016 | 28 | 30 |
| 2017 | 24 | 37 |
| 2018 | 17 | 36 |
| 2019 | 22 | 37 |
| 2020 | 31 | 50 |
| 2021 | 18 | 29 |
| 2022 | 25 | 33 |
| 2023 | 24 | 37 |
| 2024 | 18 | 35 |
| 2025 | 21 | 19 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Extractor for cold brew coffee and the likes15 Sep 2026US 12,733,766 B2Sensotech Inc.
- Beverage making apparatus8 Sep 2026US 12,727,706 B2
- Filter device for filtering insoluble material1 Sep 2026US 12,721,466 B2PI-Design AG
- Beverage making device and a system for making a beverage7 Jul 2026US 12,672,731 B2Pong Company Limited
- Compact coffee press9 Jun 2026US 12,648,665 B2
- Portable press, grinder and accessories1 Oct 2026US 2026/0294158 A1AeroPress, Inc.
- Brewing cup24 Sep 2026US 2026/0283392 A1Qingdao Yingchuan Packaging Co., Ltd.
- Ultrasonic extraction device17 Sep 2026US 2026/0272207 A1
- Top-mounted ultrasonic extraction device17 Sep 2026US 2026/0272208 A1
- Cold brew bottle10 Sep 2026US 2026/0262870 A1Free-Free Industrial Corp.
Most cited
By later US patents
- Infuser unit for making beverages136US 5,913,964 AEspire Incorporated · 1999
- Automatic French Press beverage maker83US 6,240,833 B12001
- Device for making coffee77US 5,887,510 A1999
- Methods for preparing a coffee, tea and milk beverage76US 5,635,233 A1997
- Coffee, tea or beverage maker74US 5,478,586 A1995