D06F 33/32
Control of operational steps
Official title: Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
D06F33/32 (Control of operational steps) appears on 1,139 US grants and 1,543 published applications in this corpus.
Search patents in D06F- Granted patents
- 1,139
- Published applications
- 1,543
- Assignees
- 198
- Inventors
- 2,149
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 7 |
| 2003 | 10 | 14 |
| 2004 | 5 | 25 |
| 2005 | 5 | 28 |
| 2006 | 7 | 26 |
| 2007 | 7 | 26 |
| 2008 | 8 | 53 |
| 2009 | 14 | 29 |
| 2010 | 34 | 46 |
| 2011 | 19 | 45 |
| 2012 | 24 | 44 |
| 2013 | 27 | 39 |
| 2014 | 26 | 48 |
| 2015 | 28 | 39 |
| 2016 | 42 | 49 |
| 2017 | 45 | 68 |
| 2018 | 57 | 73 |
| 2019 | 58 | 109 |
| 2020 | 56 | 124 |
| 2021 | 80 | 149 |
| 2022 | 104 | 129 |
| 2023 | 87 | 88 |
| 2024 | 121 | 112 |
| 2025 | 101 | 115 |
| 2026 | 71 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Information processing method for generating and modifying an application for driving at least one of actuator and a heater15 Sep 2026US 12,735,825 B2Panasonic Intellectual Property Corporation of America
- Laundry treatment device and control method for laundry treatment device15 Sep 2026US 12,735,826 B2Haier Smart Home Co., Ltd.
- 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.
- External lint filtering device, washing system and control method17 Sep 2026US 2026/0275616 A1Haier Smart Home Co., Ltd.
- Laundry washing machine equipped with a microparticles filter device and method for controlling said machine3 Sep 2026US 2026/0258591 A1Electrolux Appliances Aktiebolag
Most cited
By later US patents
- Method and apparatus for dispensing solutions131US 4,845,965 AEcolab Inc. · 1989
- 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
- Sensor device and methods for using same68US 6,958,693 B2Sandia Corporation · 2005
- Dispensing system with multi-port valve for distributing use dilution to a plurality of utilization points and position sensor for use thereon66US 6,098,646 AEcolab Inc. · 2000