A47J 31/057
With water container separated from beverage container, the hot water passing the
Official title: with water container separated from beverage container, the hot water passing the filter only once {i.e. classical type of drip coffee makers}
A47J31/057 (With water container separated from beverage container, the hot water passing the) appears on 359 US grants and 275 published applications in this corpus.
Search patents in A47J- Granted patents
- 359
- Published applications
- 275
- Assignees
- 178
- Inventors
- 582
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 3 |
| 2003 | 4 | 9 |
| 2004 | 6 | 12 |
| 2005 | 7 | 18 |
| 2006 | 6 | 10 |
| 2007 | 8 | 15 |
| 2008 | 9 | 11 |
| 2009 | 3 | 7 |
| 2010 | 6 | 8 |
| 2011 | 6 | 10 |
| 2012 | 8 | 7 |
| 2013 | 1 | 3 |
| 2014 | 12 | 8 |
| 2015 | 5 | 16 |
| 2016 | 8 | 10 |
| 2017 | 11 | 12 |
| 2018 | 10 | 15 |
| 2019 | 9 | 11 |
| 2020 | 10 | 14 |
| 2021 | 7 | 17 |
| 2022 | 11 | 9 |
| 2023 | 10 | 10 |
| 2024 | 13 | 11 |
| 2025 | 5 | 20 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine for inhibiting pathogenic agents during the preparation of beverages based on breast-milk substitutes9 Jun 2026US 12,648,666 B2
- System and method for automated water heating and dispense cycles for brewing pour-over coffee12 Aug 2025US 12,383,095 B1Fuego Product Development LLC
- Portable coffee machine22 Jul 2025US 12,364,355 B2Tanzhexingji (Shanghai) Network Technology Co., Ltd
- Coffee extraction apparatus27 May 2025US 12,310,524 B2LG Electronics Inc.
- System for automated brew cycles and machine controls and interfaces27 May 2025US 12,310,526 B2Meticulous Home, Inc.
- Liquid and/or gas pressure vessel and method of use10 Sep 2026US 2026/0262869 A1
- Control method for coffee machine and related device3 Sep 2026US 2026/0256314 A1Shenzhen Chenbei Technology Co., Ltd.
- Beverage brewing system27 Aug 2026US 2026/0248316 A1Coulee Coffee Co.
- Ceramic body coffee maker20 Aug 2026US 2026/0240355 A1Clovermark Studios LLC
- A brewer with a sensor, a brewer kit and a method for controlling a brewer6 Aug 2026US 2026/0224066 A1Aarke AB
Most cited
By later US patents
- Digital brewer control133US 5,375,508 ABunn-O-Matic Corporation · 1994
- Automatic low volume beverage brewing system118US 4,921,712 A1990
- Portable coffee maker99US 4,382,402 A1983
- Fluid delivery system for generating pressure pulses to make beverages99US 6,405,637 B1Houseware Technology Group · 2002
- Beverage brewer with brewing temperature interlock97US 4,917,005 ABunn-O-Matic Corporation · 1990