A47L 15/4225
Arrangements or adaption of recirculation or discharge pumps
Official title: {Arrangements or adaption of recirculation or discharge pumps}
A47L15/4225 (Arrangements or adaption of recirculation or discharge pumps) appears on 553 US grants and 644 published applications in this corpus.
Search patents in A47L- Granted patents
- 553
- Published applications
- 644
- Assignees
- 108
- Inventors
- 806
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 1 |
| 2003 | 3 | 4 |
| 2004 | 3 | 14 |
| 2005 | 2 | 11 |
| 2006 | 5 | 40 |
| 2007 | 6 | 19 |
| 2008 | 9 | 11 |
| 2009 | 12 | 9 |
| 2010 | 12 | 22 |
| 2011 | 13 | 17 |
| 2012 | 10 | 31 |
| 2013 | 14 | 14 |
| 2014 | 15 | 15 |
| 2015 | 20 | 24 |
| 2016 | 21 | 35 |
| 2017 | 35 | 48 |
| 2018 | 28 | 54 |
| 2019 | 45 | 47 |
| 2020 | 39 | 34 |
| 2021 | 31 | 29 |
| 2022 | 37 | 28 |
| 2023 | 29 | 38 |
| 2024 | 29 | 28 |
| 2025 | 29 | 26 |
| 2026 | 20 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Water flow system for washer, and washer1 Sep 2026US 12,721,496 B2Ningbo Fotile Kitchen Ware Co., Ltd.
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Dishwasher28 Jul 2026US 12,690,744 B2LG Electronics Inc.
- 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
- Dishwasher and control method therefor24 Sep 2026US 2026/0283441 A1LG Electronics Inc.
- Fluid circulation assembly for a dishwasher appliance17 Sep 2026US 2026/0272256 A1Haier US Appliance Solutions, Inc.
- Domestic dishwasher with a pump device and pump device for a water-carrying domestic appliance17 Sep 2026US 2026/0272258 A1BSH Hausgeräte GmbH
Most cited
By later US patents
- Dishwasher113US 5,470,142 AFisher & Paykel Limited · 1995
- Dishwasher97US 5,755,244 AFisher & Paykel Limited · 1998
- Dishwasher83US 6,189,551 B1Fisher & Paykel Limited · 2001
- Dishwasher having a wash liquid recirculation system77US 5,924,432 AWhirlpool Corporation · 1999
- Movement reversal device, particularly for a dishwasher67US 7,047,986 B2BSH Bosch und Siemens Hausgeraete GmbH · 2006