D06F 33/00
Control of operations performed in washing machines or washer-dryers
Official title: Control of operations performed in washing machines or washer-dryers (D06F31/00 takes precedence; details of control systems therefor D06F34/00; control of operations performed in domestic laundry dryers D06F58/32)
D06F33/00 (Control of operations performed in washing machines or washer-dryers) appears on 2,030 US grants and 2,693 published applications in this corpus.
Search patents in D06F- Granted patents
- 2,030
- Published applications
- 2,693
- Assignees
- 319
- Inventors
- 3,502
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 16 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 18 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 8 | 4 |
| 2002 | 13 | 21 |
| 2003 | 30 | 33 |
| 2004 | 16 | 41 |
| 2005 | 7 | 55 |
| 2006 | 12 | 46 |
| 2007 | 15 | 50 |
| 2008 | 19 | 79 |
| 2009 | 31 | 58 |
| 2010 | 39 | 71 |
| 2011 | 39 | 75 |
| 2012 | 45 | 87 |
| 2013 | 48 | 77 |
| 2014 | 52 | 91 |
| 2015 | 59 | 96 |
| 2016 | 79 | 74 |
| 2017 | 82 | 123 |
| 2018 | 104 | 146 |
| 2019 | 109 | 185 |
| 2020 | 114 | 229 |
| 2021 | 158 | 224 |
| 2022 | 175 | 183 |
| 2023 | 140 | 156 |
| 2024 | 189 | 189 |
| 2025 | 158 | 203 |
| 2026 | 112 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Washing machine subwasher ground detection6 Oct 2026US 12,753,539 B2Haier US Appliance Solutions, Inc.
- Clothes care apparatus and method for controlling the same29 Sep 2026US 12,747,529 B2Samsung Electronics Co., Ltd.
- Regenerable system and method for filtering microfibres from a waste liquid22 Sep 2026US 12,742,277 B2Ifp Energies Nouvelles
- Control method for washing machine and washing machine22 Sep 2026US 12,742,278 B2Haier Smart Home Co., Ltd.
- Adaptative washing system for different water and/or load levels15 Sep 2026US 12,735,824 B2Controladora Mabe S.A. De C.V.
- Clothes treatment apparatus and clothes treatment apparatus control method1 Oct 2026US 2026/0297832 A1LG Electronics Inc.
- Additive dispensing device, clothing treatment apparatus, and control method1 Oct 2026US 2026/0297837 A1Haier Smart Home Co., Ltd.
- Method of using turbidity measurements to detect wash additives in a washing machine appliance24 Sep 2026US 2026/0286591 A1Haier US Appliance Solutions, Inc.
- Methods of operating a washing machine appliance17 Sep 2026US 2026/0275605 A1Haier US Appliance Solutions, Inc.
- Method of operating a laundry appliance to perform a cleaning operation of the laundry appliance17 Sep 2026US 2026/0275606 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Drum type washing machine and dryer147US 5,768,730 ASharp Kabushiki Kaisha · 1998
- Method and apparatus for dispensing solutions131US 4,845,965 AEcolab Inc. · 1989
- Energy management system for an appliance100US 7,110,832 B2Whirlpool Corporation · 2006
- Drawer-type washing machine and process of washing laundry using the same96US 6,618,887 B2LG Electronics Inc. · 2003
- High performance washing process for vertical axis automatic washer91US 4,987,627 AWhirlpool Corporation · 1991