E03D 5/026
Devices preventing overflow or locks inhibiting the use of the flushing system
Official title: {Devices preventing overflow or locks inhibiting the use of the flushing system (devices preventing overflow of the bowl contents and seals for the bowl outlet E03D11/00); Devices preventing sucking-up of sealing and flushing water}
E03D5/026 (Devices preventing overflow or locks inhibiting the use of the flushing system) appears on 51 US grants and 46 published applications in this corpus.
Search patents in E03D- Granted patents
- 51
- Published applications
- 46
- Assignees
- 24
- Inventors
- 79
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 3 | 8 |
| 2019 | 6 | 3 |
| 2020 | 2 | 4 |
| 2021 | 8 | 3 |
| 2022 | 2 | 7 |
| 2023 | 5 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flush toilet16 Dec 2025US 12,497,771 B2Toto Ltd.
- Toilet with overflow protection11 Nov 2025US 12,467,247 B2Delta Faucet Company
- Quick water discharging device of toilet tank19 Nov 2024US 12,146,309 B2Hokwang Industries Co., Ltd.
- Drain valve19 Nov 2024US 12,146,310 B2Kohler (China) Investment Co., Ltd.
- Flush water control method, control device, and non-transitory computer readable recording medium13 Aug 2024US 12,060,704 B2Panasonic Holdings Corporation
- Flush architecture sanitation platform21 May 2026US 2026/0139464 A1
- Toilet including an overflow control system26 Jun 2025US 2025/0207380 A1
- Water shutoff apparatus17 Oct 2024US 2024/0344313 A1Water Automation, LLC
- Quick water discharging device of toilet tank4 Jul 2024US 2024/0218649 A1Hokwang Industries Co., Ltd.
- Flush toilet27 Jun 2024US 2024/0209611 A1Toto Ltd.
Most cited
By later US patents
- Toilet flushing device with overflow inhibitor36US 4,041,557 AAluminum Plumbing Fixture Corp. · 1977
- Flood preventer for fluid filling systems26US 4,498,203 ABradley Corporation · 1985
- Plumbing fixture for penal institution21US 3,987,502 A1976
- Automatic flushing system18US 4,134,163 AF. M. Valve Manufacturing Co., Ltd. · 1979
- Toilet anti-overflow device16US 6,016,577 A2000