A47L 2601/02
Pressurised cleaning liquid delivered by a pump
A47L2601/02 (Pressurised cleaning liquid delivered by a pump) appears on 64 US grants and 86 published applications in this corpus.
Search patents in A47L- Granted patents
- 64
- Published applications
- 86
- Assignees
- 40
- Inventors
- 182
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 7 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 13 |
| 2012 | 3 | 5 |
| 2013 | 3 | 1 |
| 2014 | 3 | 0 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 0 | 4 |
| 2018 | 3 | 10 |
| 2019 | 1 | 6 |
| 2020 | 5 | 1 |
| 2021 | 8 | 5 |
| 2022 | 2 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 8 |
| 2025 | 1 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fully automatic dishwasher and automatic cleaning method24 Mar 2026US 12,582,283 B2Nanjing Lepus intelligent technology Co., Ltd.
- Dishwasher3 Feb 2026US 12,539,012 B2LG Electronics Inc.
- Dishwasher6 Jan 2026US 12,514,424 B2LG Electronics Inc.
- Spray arm, and water pumping mechanism and cleaning machine thereof30 Sep 2025US 12,426,768 B2Ningbo Fotile Kitchen Ware Co., Ltd.
- Dishwasher24 Dec 2024US 12,171,389 B2Whirlpool Corporation
- Direct chemistry spray application in warewash2 Jul 2026US 2026/0182810 A1Ecolab USA Inc.
- Dishwasher16 Apr 2026US 2026/0102046 A1LG Electronics Inc.
- Dishwasher and method of controlling the dishwasher7 Aug 2025US 2025/0248579 A1Samsung Electronics Co., Ltd.
- Footwear Cleaning Device26 Dec 2024US 2024/0423442 A1
- Nozzle of cleaner19 Dec 2024US 2024/0415349 A1LG Electronics Inc.
Most cited
By later US patents
- Stop start wash cycle for dishwashers57US 7,232,494 B2Whirlpool Corporation · 2007
- Low hot water volume warewasher43US 4,439,242 AHobart Corporation · 1984
- Dishwasher cycle--initial cycles lower spray arm only32US 5,849,101 AWhite Consolidated Industries, Inc. · 1998
- Low energy, low water consumption warewasher and method31US 4,810,306 AThe Stero Company · 1989
- Fill control for an automatic dishwasher28US 4,097,307 AHobart Corporation · 1978