A47L 2401/09
Water level
A47L2401/09 (Water level) appears on 114 US grants and 158 published applications in this corpus.
Search patents in A47L- Granted patents
- 114
- Published applications
- 158
- Assignees
- 51
- Inventors
- 288
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 4 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 7 |
| 2009 | 1 | 6 |
| 2010 | 4 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 9 |
| 2013 | 3 | 9 |
| 2014 | 5 | 9 |
| 2015 | 5 | 6 |
| 2016 | 5 | 7 |
| 2017 | 8 | 9 |
| 2018 | 7 | 10 |
| 2019 | 9 | 15 |
| 2020 | 8 | 8 |
| 2021 | 5 | 10 |
| 2022 | 13 | 7 |
| 2023 | 5 | 12 |
| 2024 | 7 | 5 |
| 2025 | 9 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure sensing assembly for a dishwasher appliance30 Dec 2025US 12,507,858 B2Haier US Appliance Solutions, Inc.
- Determining calcification in a household appliance11 Nov 2025US 12,467,891 B2Whirlpool Corporation
- Appliance and method for operation using fluid level detection by pattern recognition of motor current23 Sep 2025US 12,419,483 B2Haier US Appliance Solutions, Inc.
- Dishwasher, method for operating a dishwasher, and computer program product16 Sep 2025US 12,414,668 B2BSH Hausgeräte GmbH
- Dishwashing appliances and fluid-loss mitigation19 Aug 2025US 12,390,080 B2Haier US Appliance Solutions, Inc.
- Dishwasher and control method therefor24 Sep 2026US 2026/0283441 A1LG Electronics Inc.
- Dishwasher27 Aug 2026US 2026/0248349 A1LG Electronics Inc.
- Determining calcification in a household appliance26 Feb 2026US 2026/0056153 A1Whirlpool Corporation
- Dishwasher and method for controlling the dishwasher8 Jan 2026US 2026/0007299 A1Samsung Electronics Co., Ltd.
- Pressure sensing assembly for a dishwasher appliance28 Aug 2025US 2025/0268448 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Dishwasher with overflow conduit35US 9,532,700 B2Whirlpool Corporation · 2017
- Turbidity sensor that interrupts drain motor and water valve33US 5,957,144 AMaytag Corporation · 1999
- Method for using a turbidity sensor to interrupt drain motor and water valve33US 6,007,640 AMaytag Corporation · 1999
- Low temperature washing and chemical sanitizing of foodware31US 4,277,290 AAmerican Sterilizer Company · 1981
- Automatic dishwasher29US 4,641,671 ADaikin Industries, Ltd. · 1987