D06F 31/00
Washing installations comprising an assembly of several washing machines or washing units
Official title: Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
D06F31/00 (Washing installations comprising an assembly of several washing machines or washing units) appears on 408 US grants and 496 published applications in this corpus.
Search patents in D06F- Granted patents
- 408
- Published applications
- 496
- Assignees
- 102
- Inventors
- 655
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 6 |
| 2003 | 0 | 3 |
| 2004 | 5 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 6 |
| 2009 | 3 | 20 |
| 2010 | 1 | 17 |
| 2011 | 5 | 12 |
| 2012 | 12 | 9 |
| 2013 | 6 | 9 |
| 2014 | 9 | 17 |
| 2015 | 10 | 20 |
| 2016 | 16 | 18 |
| 2017 | 15 | 29 |
| 2018 | 16 | 51 |
| 2019 | 25 | 46 |
| 2020 | 40 | 24 |
| 2021 | 36 | 62 |
| 2022 | 32 | 25 |
| 2023 | 36 | 21 |
| 2024 | 35 | 36 |
| 2025 | 25 | 29 |
| 2026 | 11 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for treating laundry6 Oct 2026US 12,753,540 B2LG Electronics Inc.
- Autonomous laundry heat pump systems and methods of use6 Oct 2026US 12,753,543 B2
- System for commercial services or facilities6 Oct 2026US 12,755,266 B2Airwallet ApS
- Laundry treating apparatus1 Sep 2026US 12,723,343 B2LG Electronics Inc.
- Laundry bulkhead28 Jul 2026US 12,692,637 B2
- Distributed networked laundry machine control and operation10 Sep 2026US 2026/0265980 A1Clarified Inc.
- Control method for laundry treatment system13 Aug 2026US 2026/0234854 A1Chongqing Haier Washing Machine Co., Ltd.
- System for commercial services or facilities13 Aug 2026US 2026/0236906 A1Airwallet ApS
- Laundry treatment device and control method therefor6 Aug 2026US 2026/0226665 A1Chongqing Haier Drum Washing Machine Co., Ltd.
- Dispensing device, laundry treatment device and control method thereof23 Jul 2026US 2026/0210014 A1Haier Smart Home Co., Ltd.
Most cited
By later US patents
- Washing machine to produce three-dimensional motion41US 9,080,279 B2LG Electronics Inc. · 2015
- Method and apparatus for containing and agitating the contents of a container31US 6,311,527 B1Notetry Limited · 2001
- Washing machines29US 4,034,583 AFirma Vosswerk GmbH · 1977
- Continuous tunnel batch washer28US 4,236,393 APellerin Milnor Corporation · 1980
- Continuous flow laundry system and method28US 4,546,511 A1985