A47J 31/56
Having water-level controls
Official title: having water-level controls; having temperature controls
A47J31/56 (Having water-level controls) appears on 415 US grants and 462 published applications in this corpus.
Search patents in A47J- Granted patents
- 415
- Published applications
- 462
- Assignees
- 242
- Inventors
- 841
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 4 |
| 2003 | 7 | 4 |
| 2004 | 7 | 25 |
| 2005 | 3 | 14 |
| 2006 | 2 | 10 |
| 2007 | 13 | 6 |
| 2008 | 9 | 19 |
| 2009 | 11 | 11 |
| 2010 | 11 | 16 |
| 2011 | 7 | 12 |
| 2012 | 11 | 13 |
| 2013 | 9 | 15 |
| 2014 | 14 | 22 |
| 2015 | 16 | 35 |
| 2016 | 16 | 38 |
| 2017 | 13 | 29 |
| 2018 | 22 | 36 |
| 2019 | 22 | 13 |
| 2020 | 35 | 31 |
| 2021 | 12 | 22 |
| 2022 | 17 | 25 |
| 2023 | 11 | 12 |
| 2024 | 18 | 6 |
| 2025 | 13 | 25 |
| 2026 | 6 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid sensing arrangement for beverage machine8 Sep 2026US 12,727,710 B2Keurig Green Mountain, Inc.
- Modular brew systems11 Aug 2026US 12,702,248 B2Starbucks Corporation
- Hot and cold water dispenser and method4 Aug 2026US 12,696,997 B2S.B.I.D Solutions, Enterprise and Investments Ltd.
- Multiple tank water heater system26 May 2026US 12,635,828 B2Bunn Commercial LP
- Temperature controlling structure and filter assembly including the same10 Feb 2026US 12,543,883 B2Wistron Corporation
- Head assembly, apparatus and method for preparing hot beverages3 Sep 2026US 2026/0256315 A1
- Ceramic body coffee maker20 Aug 2026US 2026/0240355 A1Clovermark Studios LLC
- Machine for dispensing infusion beverages6 Aug 2026US 2026/0224065 A1Lelit S.R.L.
- A brewer for preparing a beverage30 Jul 2026US 2026/0215616 A1Aarke AB
- Active, controllable, reduced temperature beverage making apparatus, system, and method16 Jul 2026US 2026/0198726 A1Bunn-O-Matic Corporation
Most cited
By later US patents
- Automated beverage brewing system305US 6,142,063 AKeurig, Incorporated · 2000
- System for dispensing metered volumes of heated water to the brew chamber of a single serve beverage brewer135US 7,398,726 B2Keurig, Incorporated · 2008
- System for dispensing metered volumes of heated water to the brew chamber of a single serve beverage brewer112US 7,523,695 B2Keurig, Incorporated · 2009
- Coffee making machine and components thereof108US 5,063,836 ACafe 98 Industries Ltd. · 1991
- Machine for the preparation of beverages99US 7,097,074 B2Kraft Foods R & D, Inc. · 2006