E03D 3/12
Flushing devices discharging variable quantities of water
Official title: Flushing devices discharging variable quantities of water (flushing cisterns discharging variable quantities of water E03D1/14)
E03D3/12 (Flushing devices discharging variable quantities of water) appears on 57 US grants and 58 published applications in this corpus.
Search patents in E03D- Granted patents
- 57
- Published applications
- 58
- Assignees
- 24
- Inventors
- 119
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 6 |
| 2011 | 3 | 3 |
| 2012 | 3 | 5 |
| 2013 | 4 | 2 |
| 2014 | 4 | 6 |
| 2015 | 3 | 4 |
| 2016 | 4 | 1 |
| 2017 | 2 | 5 |
| 2018 | 6 | 4 |
| 2019 | 3 | 3 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 0 | 1 |
| 2023 | 2 | 4 |
| 2024 | 5 | 1 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Automatic sanitaryware assembly and systems11 Nov 2025US 12,467,246 B2AS America, Inc.
- Discharge valve device, flush water tank device, and flush toilet16 Sep 2025US 12,416,142 B2Toto Ltd.
- Apparatus, system and method for connecting to, monitoring and controlling bodily waste receptacles24 Sep 2024US 12,098,535 B2Jabil Circuit, Inc.
- Flush water control method, control device, and non-transitory computer readable recording medium13 Aug 2024US 12,060,704 B2Panasonic Holdings Corporation
- Regulating device for regulating water consumption of concealed water tank16 Apr 2024US 11,959,265 B2Zhongshan Meitu Plastic Ind. Co., Ltd.
- Content Detection Toilet Flush Valve18 Sep 2025US 2025/0290304 A1AS America, Inc.
- Plumbing fixture auxiliary port5 Jun 2025US 2025/0179784 A1AS America, Inc.
- Apparatus, system and method for connecting to, monitoring and controlling bodily waste receptacles13 Feb 2025US 2025/0052048 A1Jabil Inc.
- Connected Sanitaryware Systems and Methods18 Apr 2024US 2024/0126308 A1AS America, Inc.
- Automatic Sanitaryware Assembly and Systems31 Aug 2023US 2023/0272606 A1AS America, Inc.
Most cited
By later US patents
- Pressure assisted dual flush operating system16US 7,010,816 B22006
- Toilet with selective volume flush15US 4,149,283 ACalisto Oy · 1979
- Flush valve handle assembly providing dual mode operation15US 7,607,635 B2Sloan Valve Company · 2009
- Water closet11US 4,143,433 A1979
- Dual flush electronic flush valve11US 8,434,172 B2Masco Canada Limited · 2013