A47L 2501/03
Water recirculation
Official title: Water recirculation, e.g. control of distributing valves for redirection of water flow
A47L2501/03 (Water recirculation) appears on 156 US grants and 187 published applications in this corpus.
Search patents in A47L- Granted patents
- 156
- Published applications
- 187
- Assignees
- 43
- Inventors
- 294
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 5 |
| 2010 | 3 | 3 |
| 2011 | 2 | 10 |
| 2012 | 2 | 14 |
| 2013 | 6 | 14 |
| 2014 | 9 | 12 |
| 2015 | 10 | 8 |
| 2016 | 10 | 10 |
| 2017 | 5 | 9 |
| 2018 | 15 | 13 |
| 2019 | 15 | 16 |
| 2020 | 9 | 18 |
| 2021 | 16 | 11 |
| 2022 | 18 | 3 |
| 2023 | 8 | 4 |
| 2024 | 3 | 9 |
| 2025 | 6 | 5 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dishwasher and water tank for dishwasher10 Feb 2026US 12,543,915 B2Samsung Electronics Co., Ltd.
- Control method for water diversion device, water diversion device and dishwasher10 Feb 2026US 12,543,917 B2Haier Smart Home Co., Ltd.
- Dishwasher moisture removal system3 Feb 2026US 12,539,013 B2Bby Solutions, Inc.
- Dishwasher appliance and a freeze prevention operation1 Oct 2026US 2026/0294202 A1Haier US Appliance Solutions, Inc.
- Fluid circulation assembly for a dishwasher appliance17 Sep 2026US 2026/0272256 A1Haier US Appliance Solutions, Inc.
- Method for controlling dishwasher27 Aug 2026US 2026/0248351 A1LG Electronics Inc.
- Dishwasher automatic descaling system13 Aug 2026US 2026/0232166 A1Ecolab USA Inc.
- Dishwasher with improved flow controller assembly13 Aug 2026US 2026/0232167 A1Electrolux Appliances Aktiebolag
Most cited
By later US patents
- Multi-function warewashing machine101US 5,131,419 A1992
- Dishwasher83US 6,189,551 B1Fisher & Paykel Limited · 2001
- Movement reversal device, particularly for a dishwasher67US 7,047,986 B2BSH Bosch und Siemens Hausgeraete GmbH · 2006
- Dishwasher with multiple treating chambers60US 8,043,437 B1Whirlpool Corporation · 2011
- Dishwasher and controlling method thereof49US 7,819,983 B2LG Electronics Inc. · 2010