A47L 2501/02
Water discharge
Official title: Water discharge, e.g. opening or closure of discharge valve
A47L2501/02 (Water discharge) appears on 110 US grants and 133 published applications in this corpus.
Search patents in A47L- Granted patents
- 110
- Published applications
- 133
- Assignees
- 48
- Inventors
- 243
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 0 | 4 |
| 2007 | 1 | 5 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 3 | 9 |
| 2012 | 2 | 20 |
| 2013 | 7 | 7 |
| 2014 | 7 | 10 |
| 2015 | 7 | 2 |
| 2016 | 8 | 8 |
| 2017 | 6 | 4 |
| 2018 | 9 | 7 |
| 2019 | 7 | 7 |
| 2020 | 4 | 13 |
| 2021 | 4 | 4 |
| 2022 | 9 | 5 |
| 2023 | 5 | 8 |
| 2024 | 5 | 2 |
| 2025 | 3 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dishwasher with residue disposal device and control method therefor9 Sep 2025US 12,408,810 B1Zhejiang Seng Smart Kitchen Appliance Co., Ltd
- Energy-saving dishwasher and control method therefor17 Jun 2025US 12,329,339 B2Innovation Research Institute of Zhejiang University of Technology, Shengzhou
- Warewashing machine with drain water tempering system15 Apr 2025US 12,274,408 B2Jackson WWS, Inc.
- Color changing detergent compositions and methods of use29 Oct 2024US 12,129,449 B2Ecolab USA Inc.
- Heated wash fluid circulation system for high speed reusable beverage container washing system10 Sep 2024US 12,082,761 B2Midea Group Co., Ltd.
- Dishwasher automatic descaling system13 Aug 2026US 2026/0232166 A1Ecolab USA Inc.
- Dishwasher with adaptable spray system30 Jul 2026US 2026/0215655 A1
- Dish machine with enhanced energy efficiency2 Oct 2025US 2025/0302272 A1Ecolab USA Inc.
- Dishwasher with residue disposal device and control method therefor11 Sep 2025US 2025/0281020 A1Zhejiang Seng Smart Kitchen Appliance Co., Ltd
- Dishwasher appliance and winterization operation for a dishwasher appliance31 Jul 2025US 2025/0241505 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Dishwasher with multiple treating chambers60US 8,043,437 B1Whirlpool Corporation · 2011
- Continuous cycle operation for dishwashers using turbidity sensor feedback53US 5,800,628 AHoneywell Inc. · 1998
- Pump and soil collection system for a dishwasher46US 6,182,674 B2Whirlpool Corporation · 2001
- Commercial kitchenware washers and related methods43US 9,265,400 B2Duke Manufacturing Co. · 2016
- Dishwashing method40US 4,673,441 A1987