E03D 11/18
Siphons
Official title: Siphons (for pipes in general F16L43/00, F16L45/00 {; if as part of the bowl E03D11/02; connecting the siphon to the bowl})
E03D11/18 (Siphons) appears on 88 US grants and 130 published applications in this corpus.
Search patents in E03D- Granted patents
- 88
- Published applications
- 130
- Assignees
- 46
- Inventors
- 240
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 5 |
| 2011 | 1 | 1 |
| 2012 | 4 | 3 |
| 2013 | 1 | 5 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 2 | 4 |
| 2017 | 6 | 6 |
| 2018 | 5 | 14 |
| 2019 | 8 | 5 |
| 2020 | 2 | 8 |
| 2021 | 8 | 10 |
| 2022 | 3 | 12 |
| 2023 | 14 | 8 |
| 2024 | 6 | 5 |
| 2025 | 5 | 19 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid toilet23 Jun 2026US 12,662,804 B2Acorn Engineering Company
- Flush toilet28 Apr 2026US 12,612,773 B2Toto Ltd.
- Fluid connector for toilet6 Jan 2026US 12,516,516 B2Kohler Co.
- Flush valve and toilet assembly7 Oct 2025US 12,435,502 B2AS America, Inc.
- Toilet with canned sump9 Sep 2025US 12,410,600 B2Kohler Co.
- Vacuum assist flush system16 Jul 2026US 2026/0201687 A1AS America, Inc.
- Toilet11 Jun 2026US 2026/0160054 A1Shanghai Kohler Electronics, Ltd.
- Toilet device, flushing system and flushing method therefor16 Apr 2026US 2026/0103876 A1Jomoo Kitchen & Bath Deutschland GmbH
- Fluid connector for toilet2 Apr 2026US 2026/0092440 A1Kohler Co.
- Spray head, flushing system, and toilet5 Feb 2026US 2026/0035900 A1Quanzhou Komoo Intelligent Kitchen & Bath Co., Ltd
Most cited
By later US patents
- Data demultiplexer39US 5,742,361 AHitachi, Ltd. · 1998
- Flush toilet bowl31US 5,918,325 AToto Ltd. · 1999
- High performance flush toilet19US 5,983,413 AToto Ltd. · 1999
- Blow out toilet with low water volume usage16US 5,067,181 AAcorn Engineering Company · 1991
- Self-cleaning helical drain toilet15US 9,737,181 B12017