E03D 1/06
Cisterns with tube siphons
E03D1/06 (Cisterns with tube siphons) appears on 47 US grants and 34 published applications in this corpus.
Search patents in E03D- Granted patents
- 47
- Published applications
- 34
- Assignees
- 16
- Inventors
- 58
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 5 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 0 |
| 2019 | 2 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Touchless toilet assembly17 Mar 2026US 12,577,768 B2AS America, Inc.
- System and method for flushing an object13 Jan 2026US 12,523,029 B2P & C Hennessy Holdings, Inc.
- Grey water toilet and flushing method30 Sep 2025US 12,428,828 B2Kohler Co.
- Siphon flush valve and toilet assembly18 Feb 2025US 12,227,929 B2AS America, Inc.
- Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption9 Apr 2024US 11,952,762 B2Shanghai Kohler Electronics, Ltd.
- Venturi device to displace air from plumbing fixture trapway17 Jul 2025US 2025/0230643 A1AS America, Inc.
- Plumbing fixture auxiliary port5 Jun 2025US 2025/0179784 A1AS America, Inc.
- Plumbing fixture siphon flow actuator29 May 2025US 2025/0171994 A1AS America, Inc.
- Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption18 Jul 2024US 2024/0240443 A1Shanghai Kohler Electronics, Ltd.
- Adjustable toilet system, apparatus, and method27 Jun 2024US 2024/0209609 A1Fluidmaster, Inc.
Most cited
By later US patents
- Valve controlled flushing system21US 4,034,423 AKohler Co. · 1977
- Primer tank-checkvalve syphon toilet flushing apparatus9US 5,301,375 A1994
- Trim assembly8US 4,858,252 AMasco Corporation of Indiana · 1989
- Siphon-operated water tank for a flushing system8US 5,140,712 A1992
- Siphon with pressure priming and pneumatic reflux7US 3,973,751 A1976