A47L 15/0002
Washing processes, i.e. machine working principles characterised by phases or operational steps
Official title: {Washing processes, i.e. machine working principles characterised by phases or operational steps}
A47L15/0002 (Washing processes, i.e. machine working principles characterised by phases or operational steps) appears on 282 US grants and 396 published applications in this corpus.
Search patents in A47L- Granted patents
- 282
- Published applications
- 396
- Assignees
- 92
- Inventors
- 724
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 2 | 5 |
| 2004 | 2 | 10 |
| 2005 | 1 | 8 |
| 2006 | 3 | 5 |
| 2007 | 4 | 7 |
| 2008 | 1 | 12 |
| 2009 | 1 | 22 |
| 2010 | 10 | 23 |
| 2011 | 6 | 29 |
| 2012 | 7 | 15 |
| 2013 | 8 | 11 |
| 2014 | 16 | 13 |
| 2015 | 11 | 14 |
| 2016 | 21 | 22 |
| 2017 | 7 | 27 |
| 2018 | 19 | 30 |
| 2019 | 14 | 30 |
| 2020 | 28 | 22 |
| 2021 | 24 | 17 |
| 2022 | 21 | 22 |
| 2023 | 16 | 11 |
| 2024 | 12 | 15 |
| 2025 | 6 | 8 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Efficient surfactant system on plastic and all types of ware29 Sep 2026US 12,747,412 B2Ecolab USA Inc.
- Dish washing machine using induction heating4 Aug 2026US 12,697,008 B2K.D.W. Company Limited
- Multi-stage dishwasher drying system7 Jul 2026US 12,672,753 B2Midea Group Co., Ltd.
- Dishwasher7 Jul 2026US 12,672,754 B2Whirlpool Corporation
- Dishwashing appliance and communication-based operation thereof26 May 2026US 12,635,844 B2Haier US Appliance Solutions, Inc.
- Dishwasher8 Oct 2026US 2026/0305907 A1Whirlpool Corporation
- Dishwasher and method for controlling the same17 Sep 2026US 2026/0272253 A1LG Electronics Inc.
- Dishwasher with energy recovery system16 Jul 2026US 2026/0198752 A1Ecolab USA Inc.
- Direct chemistry spray application in warewash2 Jul 2026US 2026/0182810 A1Ecolab USA Inc.
- Method of washing dishware in an automatic dishwashing appliance11 Jun 2026US 2026/0157597 A1The Procter & Gamble Company
Most cited
By later US patents
- System and method for adjusting the operating cycle of a cleaning appliance74US 5,560,060 AGeneral Electric Company · 1996
- Automatic dishwashing compositions containing a halogen dioxide salt and methods for use with electrochemical cells and/or electrolytic devices68US 6,921,743 B2The Procter & Gamble Company · 2005
- Stop start wash cycle for dishwashers57US 7,232,494 B2Whirlpool Corporation · 2007
- Dishwashing apparatus45US 4,559,959 AHobart Corporation · 1985
- Low hot water volume warewasher43US 4,439,242 AHobart Corporation · 1984