D06F 39/022
In a liquid state
Official title: {in a liquid state (D06F39/024 takes precedence)}
D06F39/022 (In a liquid state) appears on 628 US grants and 760 published applications in this corpus.
Search patents in D06F- Granted patents
- 628
- Published applications
- 760
- Assignees
- 151
- Inventors
- 1,121
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 0 |
| 2002 | 8 | 1 |
| 2003 | 4 | 5 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 8 |
| 2007 | 0 | 11 |
| 2008 | 1 | 7 |
| 2009 | 3 | 15 |
| 2010 | 6 | 28 |
| 2011 | 8 | 15 |
| 2012 | 15 | 33 |
| 2013 | 13 | 29 |
| 2014 | 16 | 27 |
| 2015 | 16 | 22 |
| 2016 | 25 | 31 |
| 2017 | 37 | 50 |
| 2018 | 30 | 43 |
| 2019 | 40 | 50 |
| 2020 | 39 | 63 |
| 2021 | 42 | 78 |
| 2022 | 47 | 59 |
| 2023 | 59 | 34 |
| 2024 | 57 | 48 |
| 2025 | 43 | 59 |
| 2026 | 38 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical dispenser having a motorized rotary diverter valve and method of using same22 Sep 2026US 12,741,256 B2Delaware Capital Formation, Inc.
- Washing machine and clothing treatment apparatus22 Sep 2026US 12,742,276 B2Samsung Electronics Co., Ltd.
- Method of monitoring a dispensing assembly of a washing machine appliance8 Sep 2026US 12,729,470 B2Haier US Appliance Solutions, Inc.
- Dispensing system for a laundry treating appliance1 Sep 2026US 12,723,344 B2Whirlpool Corporation
- Detergent supply device and laundry treatment apparatus having the same25 Aug 2026US 12,716,159 B2LG Electronics Inc.
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Washing machine8 Oct 2026US 2026/0308830 A1Samsung Electronics Co., Ltd.
- Additive dispensing device, clothing treatment apparatus, and control method1 Oct 2026US 2026/0297837 A1Haier Smart Home Co., Ltd.
- Apparatus for detecting remaining amount of detergent in washing machine24 Sep 2026US 2026/0287409 A1
- Detergent supply device and clothes treating apparatus20 Aug 2026US 2026/0243001 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Microprocessor controlled liquid chemical delivery system and method158US 5,014,211 ADiversey, Inc. · 1991
- Method and apparatus for dispensing solutions131US 4,845,965 AEcolab Inc. · 1989
- Laundry management system for washing machines103US 5,390,385 AKnight Equipment International · 1995
- Apparatus for highly efficient laundering of textiles99US 4,489,574 AThe Procter & Gamble Company · 1984
- Liquid dispensing system94US 8,091,735 B2Intelligent Coffee Company, LLC · 2012