A47L 2601/00
Washing methods characterised by the use of a particular treatment
A47L2601/00 (Washing methods characterised by the use of a particular treatment) appears on 226 US grants and 338 published applications in this corpus.
Search patents in A47L- Granted patents
- 226
- Published applications
- 338
- Assignees
- 111
- Inventors
- 643
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 5 |
| 2003 | 2 | 5 |
| 2004 | 2 | 9 |
| 2005 | 1 | 10 |
| 2006 | 3 | 4 |
| 2007 | 3 | 15 |
| 2008 | 2 | 9 |
| 2009 | 1 | 22 |
| 2010 | 12 | 22 |
| 2011 | 4 | 23 |
| 2012 | 6 | 7 |
| 2013 | 7 | 8 |
| 2014 | 10 | 8 |
| 2015 | 7 | 17 |
| 2016 | 16 | 14 |
| 2017 | 8 | 20 |
| 2018 | 8 | 25 |
| 2019 | 10 | 22 |
| 2020 | 19 | 15 |
| 2021 | 22 | 21 |
| 2022 | 12 | 9 |
| 2023 | 11 | 8 |
| 2024 | 12 | 17 |
| 2025 | 5 | 11 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47L 2601/02Pressurised cleaning liquid delivered by a pumpIndexing code64
- A47L 2601/04SteamIndexing code49
- A47L 2601/17Sonic or ultrasonic wavesIndexing code23
- A47L 2601/20Washing methods characterised by the use of a particular treatment: other treatmentsIndexing code23
- A47L 2601/10Ultraviolet radiationIndexing code21
- A47L 2601/03Pressurised, gaseous medium, also used for delivering of cleaning liquidIndexing code19
- A47L 2601/18Liquid and granuleIndexing code18
- A47L 2601/16Agitation of cleaning liquid by impellerIndexing code14
Recent patents
- Electrochemical cell26 May 2026US 12,637,370 B2Imperial College Innovations Limited
- Fully automatic dishwasher and automatic cleaning method24 Mar 2026US 12,582,283 B2Nanjing Lepus intelligent technology Co., Ltd.
- Acoustic transducer system17 Feb 2026US 12,551,083 B2
- Household appliance10 Feb 2026US 12,543,918 B2Gorenje d. o. o.
- Dishwasher3 Feb 2026US 12,539,012 B2LG Electronics Inc.
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Water treatment apparatus and washing apparatus including same3 Sep 2026US 2026/0257943 A1LG Electronics Inc.
- Direct chemistry spray application in warewash2 Jul 2026US 2026/0182810 A1Ecolab USA Inc.
- Shoes care device18 Jun 2026US 2026/0165556 A1LG Electronics Inc.
- Shoe care device4 Jun 2026US 2026/0151016 A1LG Electronics Inc.
Most cited
By later US patents
- 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
- Low hot water volume warewasher43US 4,439,242 AHobart Corporation · 1984
- Ultrasonic dishwasher system40US 5,218,980 A1993
- Steam generation in a dishwasher37US 4,279,384 ASharp Kabushiki Kaisha · 1981