A47K 13/10
Devices for raising and lowering
Official title: Devices for raising and lowering {; Collapsible or rotating seats or covers}
A47K13/10 (Devices for raising and lowering) appears on 513 US grants and 403 published applications in this corpus.
Search patents in A47K- Granted patents
- 513
- Published applications
- 403
- Assignees
- 112
- Inventors
- 859
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 19 | 0 |
| 1995 | 17 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 1 |
| 2002 | 10 | 7 |
| 2003 | 14 | 6 |
| 2004 | 14 | 16 |
| 2005 | 12 | 17 |
| 2006 | 7 | 16 |
| 2007 | 5 | 15 |
| 2008 | 9 | 15 |
| 2009 | 4 | 16 |
| 2010 | 6 | 14 |
| 2011 | 9 | 20 |
| 2012 | 13 | 13 |
| 2013 | 11 | 16 |
| 2014 | 9 | 12 |
| 2015 | 9 | 16 |
| 2016 | 9 | 15 |
| 2017 | 15 | 17 |
| 2018 | 12 | 20 |
| 2019 | 17 | 10 |
| 2020 | 18 | 23 |
| 2021 | 17 | 26 |
| 2022 | 18 | 17 |
| 2023 | 25 | 18 |
| 2024 | 14 | 23 |
| 2025 | 14 | 20 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Counterbalanced toilet seat and cover28 Jul 2026US 12,690,730 B2Kohler Co.
- Toilet seat with delay suction release and automatically stand upright28 Jul 2026US 12,690,731 B2Zhongshan Meitu Plastic Ind. Co., Ltd.
- Control method for intelligent toilet cover based on single infrared sensor23 Jun 2026US 12,660,967 B2Xiamen Olt Co., Ltd.
- Device to close toilet lid before flushing16 Jun 2026US 12,653,356 B2
- Toilet seat assembly with UV light16 Jun 2026US 12,653,357 B2AS America, Inc.
- Automatic toilet seat assembly10 Sep 2026US 2026/0262889 A1
- Electric toilet seat lift3 Sep 2026US 2026/0256328 A1Zhejiang Jiecang Linear Motion Technology Co., Ltd.
- Delayed automatic closing cover plate and toilet27 Aug 2026US 2026/0248329 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Automatic cover plate and toilet20 Aug 2026US 2026/0240377 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Toilet and toilet seat lifting mechanism20 Aug 2026US 2026/0240378 A1
Most cited
By later US patents
- Method and apparatus for helping to assure the washing of hands100US 6,147,607 A2000
- Method and apparatus for helping to assure the washing of hands94US 6,211,788 B12001
- Door hinge with movable and fixed cams81US 5,109,571 ASugatsune Industrial Co., Ltd. · 1992
- Auto flush for tank toilet68US 5,603,127 A1997
- Method and apparatus for helping to assure the washing of hands62US 6,031,461 A2000