D06F 13/00
Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting
Official title: Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed (plungers or the like adapted for removable mounting on receptacles D06F5/04)
D06F13/00 (Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting) appears on 255 US grants and 204 published applications in this corpus.
Search patents in D06F- Granted patents
- 255
- Published applications
- 204
- Assignees
- 48
- Inventors
- 501
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 2 |
| 2003 | 3 | 5 |
| 2004 | 0 | 9 |
| 2005 | 2 | 6 |
| 2006 | 5 | 3 |
| 2007 | 5 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 5 | 4 |
| 2011 | 1 | 4 |
| 2012 | 0 | 8 |
| 2013 | 3 | 8 |
| 2014 | 0 | 7 |
| 2015 | 9 | 7 |
| 2016 | 7 | 5 |
| 2017 | 8 | 12 |
| 2018 | 8 | 10 |
| 2019 | 12 | 19 |
| 2020 | 11 | 7 |
| 2021 | 11 | 8 |
| 2022 | 13 | 32 |
| 2023 | 21 | 13 |
| 2024 | 14 | 11 |
| 2025 | 6 | 9 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laundry washing machine with removable agitator25 Aug 2026US 12,716,155 B2Wuxi Little Swan Electric Co., Ltd.
- Washing machine and method of controlling the same16 Jun 2026US 12,655,560 B2Samsung Electronics Co., Ltd.
- Portable mask cleaning device19 May 2026US 12,630,955 B2
- Restrictor ring for an agitator of a washing machine appliance5 May 2026US 12,618,187 B2Haier US Appliance Solutions, Inc.
- Stirring impeller type washing machine21 Apr 2026US 12,606,947 B2Changhong Meiling Co., Ltd.
- Laundry appliance having an impeller with a removable filtration structure10 Sep 2026US 2026/0265986 A1Whirlpool Corporation
- Washing machine appliance with a removable filtering agitator25 Jun 2026US 2026/0176808 A1Haier US Appliance Solutions, Inc.
- Pet hair filter4 Jun 2026US 2026/0152894 A1Whirlpool Corporation
- Removable agitator apparatus with attachable and stowable clothes picker14 May 2026US 2026/0132560 A1Whirlpool Corporation
- Laundry appliance including a filtering agitator having an internal fluid pumping structure2 Apr 2026US 2026/0092410 A1Whirlpool Corporation
Most cited
By later US patents
- Unidirectional agitation accessory for automatic washer40US 3,987,652 AWhirlpool Corporation · 1976
- Agitator-type washing machine39US 4,232,536 AMatsushita Electric Industrial Co., Ltd. · 1980
- Washing machine agitator36US 5,440,903 AMaytag Corporation · 1995
- Counter top clothes washer36US 5,570,598 A1996
- Double action agitator assembly36US 5,611,221 AMaytag Corporation · 1997