D06F 39/02
Devices for adding soap or other washing agents
D06F39/02 (Devices for adding soap or other washing agents) appears on 1,441 US grants and 1,727 published applications in this corpus.
Search patents in D06F- Granted patents
- 1,441
- Published applications
- 1,727
- Assignees
- 266
- Inventors
- 2,550
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 15 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 1 |
| 2002 | 12 | 10 |
| 2003 | 14 | 22 |
| 2004 | 6 | 37 |
| 2005 | 5 | 46 |
| 2006 | 13 | 28 |
| 2007 | 16 | 35 |
| 2008 | 12 | 35 |
| 2009 | 13 | 48 |
| 2010 | 17 | 55 |
| 2011 | 30 | 44 |
| 2012 | 29 | 68 |
| 2013 | 35 | 51 |
| 2014 | 40 | 63 |
| 2015 | 38 | 62 |
| 2016 | 58 | 65 |
| 2017 | 69 | 116 |
| 2018 | 65 | 94 |
| 2019 | 83 | 104 |
| 2020 | 78 | 138 |
| 2021 | 95 | 139 |
| 2022 | 109 | 124 |
| 2023 | 109 | 72 |
| 2024 | 110 | 90 |
| 2025 | 87 | 109 |
| 2026 | 65 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clothes care apparatus and method for controlling the same29 Sep 2026US 12,747,529 B2Samsung Electronics Co., Ltd.
- Washing machine and control method for washing machine29 Sep 2026US 12,747,530 B2Haier Smart Home Co., Ltd.
- 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.
- Control method for washing machine and washing machine22 Sep 2026US 12,742,278 B2Haier Smart Home Co., Ltd.
- 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 treating laundry24 Sep 2026US 2026/0286588 A1LG Electronics Inc.
- Laundry treating apparatus24 Sep 2026US 2026/0286589 A1LG Electronics Inc.
Most cited
By later US patents
- Solid block chemical dispenser for cleaning systems168US 4,826,661 AEcolab Inc. · 1989
- 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
- Apparatus and method for repeated, automatic metering of precisely metered quantities of a powdered detergent into water-carrying cleaning machines, in particular household and household washing machines110US 5,829,085 ABosch-Siemens Hausgeraete GmbH · 1998
- Data processing system for managing chemical product usage104US 6,377,868 B1Ecolab Inc. · 2002