D06F 33/37
Of metering of detergents or additives
Official title: of metering of detergents or additives
D06F33/37 (Of metering of detergents or additives) appears on 341 US grants and 480 published applications in this corpus.
Search patents in D06F- Granted patents
- 341
- Published applications
- 480
- Assignees
- 113
- Inventors
- 814
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 5 |
| 2004 | 2 | 6 |
| 2005 | 1 | 2 |
| 2006 | 2 | 8 |
| 2007 | 1 | 7 |
| 2008 | 0 | 8 |
| 2009 | 2 | 9 |
| 2010 | 5 | 16 |
| 2011 | 6 | 13 |
| 2012 | 6 | 14 |
| 2013 | 10 | 17 |
| 2014 | 9 | 18 |
| 2015 | 7 | 15 |
| 2016 | 16 | 14 |
| 2017 | 16 | 16 |
| 2018 | 21 | 19 |
| 2019 | 19 | 34 |
| 2020 | 16 | 45 |
| 2021 | 17 | 46 |
| 2022 | 32 | 48 |
| 2023 | 32 | 19 |
| 2024 | 41 | 47 |
| 2025 | 34 | 38 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method for washing machine and washing machine22 Sep 2026US 12,742,278 B2Haier Smart Home Co., Ltd.
- Dispensing system of laundry treatment apparatus, and laundry treatment apparatus having same15 Sep 2026US 12,735,828 B2Wuxi Little Swan Electric Co., Ltd.
- Method of monitoring a dispensing assembly of a washing machine appliance8 Sep 2026US 12,729,470 B2Haier US Appliance Solutions, Inc.
- Laundry treatment appliance and water saving methods for laundry treatment appliances8 Sep 2026US 12,729,472 B2Haier US Appliance Solutions, Inc.
- Nozzle structure, delivery apparatus and washing machine and additive delivery method28 Jul 2026US 12,692,642 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.
- Washing machine appliances and methods of operation20 Aug 2026US 2026/0242993 A1Haier US Appliance Solutions, Inc.
- Machine appliances and methods of operation20 Aug 2026US 2026/0242994 A1Haier US Appliance Solutions, Inc.
- Washing machine appliance fill duct and air passage therein20 Aug 2026US 2026/0242995 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Method and apparatus for dispensing solutions131US 4,845,965 AEcolab Inc. · 1989
- 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
- Household cleaning appliance with a single water flow path for both non-bulk and bulk dispensing58US 8,397,544 B2Whirlpool Corporation · 2013