A47L 15/4214
Water supply, recirculation or discharge arrangements
Official title: {Water supply, recirculation or discharge arrangements; Devices therefor}
A47L15/4214 (Water supply, recirculation or discharge arrangements) appears on 1,223 US grants and 1,439 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,223
- Published applications
- 1,439
- Assignees
- 208
- Inventors
- 1,604
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 9 | 4 |
| 2003 | 7 | 10 |
| 2004 | 6 | 25 |
| 2005 | 5 | 26 |
| 2006 | 9 | 52 |
| 2007 | 11 | 33 |
| 2008 | 18 | 27 |
| 2009 | 17 | 27 |
| 2010 | 21 | 46 |
| 2011 | 23 | 49 |
| 2012 | 30 | 67 |
| 2013 | 30 | 61 |
| 2014 | 42 | 66 |
| 2015 | 56 | 66 |
| 2016 | 65 | 79 |
| 2017 | 86 | 103 |
| 2018 | 78 | 98 |
| 2019 | 94 | 87 |
| 2020 | 85 | 96 |
| 2021 | 67 | 79 |
| 2022 | 90 | 55 |
| 2023 | 55 | 80 |
| 2024 | 69 | 63 |
| 2025 | 70 | 65 |
| 2026 | 47 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Dishwasher appliance pump motor cover acoustic tuning8 Sep 2026US 12,727,733 B2Haier US Appliance Solutions, Inc.
- Dishwasher1 Sep 2026US 12,721,494 B2LG Electronics Inc.
- Dish cleaning system1 Sep 2026US 12,721,495 B2
- Water flow system for washer, and washer1 Sep 2026US 12,721,496 B2Ningbo Fotile Kitchen Ware Co., Ltd.
- Dishwasher appliance and a freeze prevention operation1 Oct 2026US 2026/0294202 A1Haier US Appliance Solutions, Inc.
- Dishwashing machine and dishwasher load receptacle with expansion possibility1 Oct 2026US 2026/0294203 A1BSH Hausgeräte GmbH
- Dishwashers with hybrid thermoelectric and electric heating systems for water heating and dish drying1 Oct 2026US 2026/0294205 A1Samsung Electronics Co., Ltd.
- Dishwasher with a dish rack1 Oct 2026US 2026/0294207 A1Whirlpool Corporation
- Dishwasher and control method therefor24 Sep 2026US 2026/0283441 A1LG Electronics Inc.
Most cited
By later US patents
- Multiple wash zone dishwasher194US 7,594,513 B2Whirlpool Corporation · 2009
- Multiple wash zone dishwasher153US 7,445,013 B2Whirlpool Corporation · 2008
- Dishwashing machine130US 5,331,986 ADaewoo Eelctronics Company, Ltd. · 1994
- Dishwasher having rotating zone wash sprayer121US 7,523,758 B2Whirlpool Corporation · 2009
- Dishwasher113US 5,470,142 AFisher & Paykel Limited · 1995