A47L 15/4202
Water filter means or strainers
Official title: {Water filter means or strainers}
A47L15/4202 (Water filter means or strainers) appears on 415 US grants and 467 published applications in this corpus.
Search patents in A47L- Granted patents
- 415
- Published applications
- 467
- Assignees
- 90
- Inventors
- 649
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 8 |
| 2004 | 6 | 14 |
| 2005 | 2 | 9 |
| 2006 | 4 | 42 |
| 2007 | 5 | 13 |
| 2008 | 7 | 17 |
| 2009 | 10 | 11 |
| 2010 | 11 | 16 |
| 2011 | 15 | 19 |
| 2012 | 9 | 29 |
| 2013 | 13 | 21 |
| 2014 | 23 | 22 |
| 2015 | 19 | 22 |
| 2016 | 18 | 31 |
| 2017 | 31 | 28 |
| 2018 | 25 | 30 |
| 2019 | 29 | 22 |
| 2020 | 19 | 16 |
| 2021 | 18 | 19 |
| 2022 | 14 | 7 |
| 2023 | 16 | 16 |
| 2024 | 12 | 16 |
| 2025 | 18 | 18 |
| 2026 | 8 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Washing machine provided with a microplastic filtering system integrated with the drawer25 Aug 2026US 12,716,160 B2Elbi International S.P.A.
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Dishwasher including a flow controller assembly16 Jun 2026US 12,653,371 B2Electrolux Appliances Aktiebolag
- Filter for a treatment apparatus21 Apr 2026US 12,605,658 B2Fresh Works Ltd
- Dishwasher with dirt discharge system7 Apr 2026US 12,593,953 B2Illinois Tool Works Inc.
- Fluid circulation assembly for a dishwasher appliance17 Sep 2026US 2026/0272256 A1Haier US Appliance Solutions, Inc.
- Conveyor warewasher with delime chemical container storage/holding compartment10 Sep 2026US 2026/0262911 A1Illinois Tool Works Inc.
- Dishwasher27 Aug 2026US 2026/0248356 A1LG Electronics Inc.
- Dishwasher27 Aug 2026US 2026/0248358 A1LG Electronics Inc.
- Dishwasher27 Aug 2026US 2026/0248361 A1LG Electronics Inc.
Most cited
By later US patents
- Dishwasher accumulator soil removal grating for a filter system127US 5,711,326 AWhirlpool Corporation · 1998
- Dishwasher113US 5,470,142 AFisher & Paykel Limited · 1995
- Dishwasher97US 5,755,244 AFisher & Paykel Limited · 1998
- Dishwasher system81US 3,989,054 AGeneral Motors Corporation · 1976
- Method of rinsing in a dishwasher and device for carrying out the method60US 5,711,325 AWhirlpool Europe B.V. · 1998