A47L 15/4291
Recovery arrangements
Official title: {Recovery arrangements, e.g. for the recovery of energy or water}
A47L15/4291 (Recovery arrangements) appears on 214 US grants and 306 published applications in this corpus.
Search patents in A47L- Granted patents
- 214
- Published applications
- 306
- Assignees
- 84
- Inventors
- 468
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 2 |
| 2005 | 2 | 5 |
| 2006 | 1 | 4 |
| 2007 | 0 | 10 |
| 2008 | 2 | 2 |
| 2009 | 0 | 7 |
| 2010 | 1 | 4 |
| 2011 | 9 | 25 |
| 2012 | 11 | 24 |
| 2013 | 6 | 11 |
| 2014 | 8 | 21 |
| 2015 | 16 | 7 |
| 2016 | 13 | 11 |
| 2017 | 9 | 28 |
| 2018 | 11 | 15 |
| 2019 | 22 | 12 |
| 2020 | 15 | 28 |
| 2021 | 13 | 16 |
| 2022 | 18 | 12 |
| 2023 | 13 | 12 |
| 2024 | 10 | 7 |
| 2025 | 7 | 9 |
| 2026 | 9 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dish washing machine using induction heating4 Aug 2026US 12,697,008 B2K.D.W. Company Limited
- Dishwasher including heat pump apparatus28 Jul 2026US 12,690,746 B2LG Electronics Inc.
- Dishwashing appliance and communication-based operation thereof26 May 2026US 12,635,844 B2Haier US Appliance Solutions, Inc.
- Dishwasher with heat recovery apparatus12 May 2026US 12,622,567 B2Illinois Tool Works Inc.
- Dishwasher with dirt discharge system7 Apr 2026US 12,593,953 B2Illinois Tool Works Inc.
- Heat-pump dishwasher8 Oct 2026US 2026/0305908 A1Haier Smart Home Co., Ltd.
- Conveyor warewasher with chemical system mounting panel10 Sep 2026US 2026/0262908 A1Illinois Tool Works Inc.
- Conveyor warewasher with delime chemical container storage/holding compartment10 Sep 2026US 2026/0262911 A1Illinois Tool Works Inc.
- Dishwasher and method for controlling the same27 Aug 2026US 2026/0248347 A1LG Electronics Inc.
- Dishwasher27 Aug 2026US 2026/0248348 A1LG Electronics Inc.
Most cited
By later US patents
- Process and system for recycling and reusing gray water104US 5,868,937 AMainstream Engineering Corporation · 1999
- 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
- Dishwasher with multiple treating chambers60US 8,043,437 B1Whirlpool Corporation · 2011
- Washing machine with a multi-function water reservoir48US 5,829,459 AElectrolux Zanussi Elettrodomestici S.p.A. · 1998
- Waste water heat recovering unit and dishwashing machine43US 5,660,193 APremark FEG L.L.C. · 1997