D06F 37/40
For driving the receptacle and an agitator or impeller
Official title: for driving the receptacle and an agitator or impeller, e.g. alternatively {(D06F37/304, D06F37/308 take precedence)}
D06F37/40 (For driving the receptacle and an agitator or impeller) appears on 445 US grants and 441 published applications in this corpus.
Search patents in D06F- Granted patents
- 445
- Published applications
- 441
- Assignees
- 71
- Inventors
- 735
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 7 |
| 2003 | 6 | 11 |
| 2004 | 0 | 3 |
| 2005 | 5 | 9 |
| 2006 | 4 | 5 |
| 2007 | 3 | 7 |
| 2008 | 3 | 4 |
| 2009 | 5 | 5 |
| 2010 | 5 | 1 |
| 2011 | 3 | 6 |
| 2012 | 1 | 7 |
| 2013 | 2 | 13 |
| 2014 | 2 | 10 |
| 2015 | 8 | 11 |
| 2016 | 11 | 16 |
| 2017 | 10 | 42 |
| 2018 | 22 | 44 |
| 2019 | 28 | 51 |
| 2020 | 39 | 42 |
| 2021 | 43 | 39 |
| 2022 | 50 | 49 |
| 2023 | 33 | 15 |
| 2024 | 30 | 21 |
| 2025 | 17 | 11 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laundry machine6 Oct 2026US 12,753,542 B2Whirlpool Corporation
- Drum washing machine4 Aug 2026US 12,698,583 B2LG Electronics Inc.
- Hardware detection and cycle behavior modification in laundry appliance applications30 Jun 2026US 12,668,906 B2Whirlpool Corporation
- Laundry treating apparatus9 Jun 2026US 12,649,986 B2LG Electronics Inc.
- Method for controlling laundry treating apparatus19 May 2026US 12,630,957 B2LG Electronics Inc.
- Hardware detection and cycle behavior modification in laundry appliance applications17 Sep 2026US 2026/0275612 A1Whirlpool Corporation
- Washing machine drive system2 Jul 2026US 2026/0185285 A1LG Electronics Inc.
- Clothing processing device and control method of clothing processing device25 Jun 2026US 2026/0176806 A1LG Electronics Inc.
- Laundry treating apparatus25 Jun 2026US 2026/0176809 A1LG Electronics Inc.
- Impeller for laundry washing machine18 Jun 2026US 2026/0168150 A1Midea Group Co., Ltd.
Most cited
By later US patents
- Self-centering drive system for an automatic washer196US 5,269,160 AWhirlpool Corporation · 1993
- Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination118US 4,327,302 AGeneral Electric Company · 1982
- Drawer-type washing machine and process of washing laundry using the same96US 6,618,887 B2LG Electronics Inc. · 2003
- Washing machine with direct drive system72US 4,819,460 AEmerson Electric Co. · 1989
- Drive system for a laundry apparatus69US 3,986,373 AMaytag Corporation · 1976