A47K 7/04
Mechanical washing or cleaning devices, hand or mechanically, i.e. power operated
Official title: {Mechanical} washing or cleaning devices, hand or mechanically, {i.e. power} operated
A47K7/04 (Mechanical washing or cleaning devices, hand or mechanically, i.e. power operated) appears on 257 US grants and 310 published applications in this corpus.
Search patents in A47K- Granted patents
- 257
- Published applications
- 310
- Assignees
- 93
- Inventors
- 507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 5 | 5 |
| 2004 | 4 | 5 |
| 2005 | 1 | 5 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 7 |
| 2009 | 5 | 8 |
| 2010 | 8 | 5 |
| 2011 | 4 | 5 |
| 2012 | 0 | 3 |
| 2013 | 3 | 6 |
| 2014 | 4 | 9 |
| 2015 | 7 | 19 |
| 2016 | 11 | 22 |
| 2017 | 15 | 33 |
| 2018 | 11 | 20 |
| 2019 | 20 | 22 |
| 2020 | 21 | 18 |
| 2021 | 11 | 19 |
| 2022 | 18 | 27 |
| 2023 | 13 | 21 |
| 2024 | 17 | 8 |
| 2025 | 15 | 23 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Massaging shower6 Oct 2026US 12,751,888 B2
- Portable flusher with flip top cap mechanism1 Sep 2026US 12,721,481 B2Shenzhen Xiaohongbao Technology Co., Ltd.
- Shower device28 Apr 2026US 12,611,071 B2Beijing Kohler Ltd.
- Extendable bathing scrubber7 Apr 2026US 12,593,944 B1
- Voice-cue based motorized skin treatment system24 Mar 2026US 12,585,427 B2L'oreal
- Back washing aid8 Oct 2026US 2026/0305883 A1
- Handheld body cleaning device and method of use3 Sep 2026US 2026/0256325 A1
- Hand Cleaning Device3 Sep 2026US 2026/0256326 A1
- Multifunctional full-body fully-automatic bathing and back scrubbing machine20 Aug 2026US 2026/0240373 A1
- Soap dispensing scrubbing device13 Aug 2026US 2026/0232146 A1
Most cited
By later US patents
- Water actuated bath brush98US 5,769,802 A1998
- Automatic massager89US 5,382,221 A1995
- Electrical appliance for personal care86US 10,667,892 B2Trisa Holding AG · 2020
- Automatic washer, especially for cleaning hands and sterilizing articles76US 4,688,585 AArzneimittel GmbH Apotheker Vetter & Co.Ravensburg · 1987
- Multipurpose cleaning device64US 5,187,827 A1993