E03D 1/26
Bowl with flushing cistern mounted on the rearwardly extending end of the
Official title: Bowl with flushing cistern mounted on the rearwardly extending end of the bowl (shape or material of the cistern E03D1/01; constructional features of the bowl E03D11/02 - E03D11/12)
E03D1/26 (Bowl with flushing cistern mounted on the rearwardly extending end of the) appears on 94 US grants and 117 published applications in this corpus.
Search patents in E03D- Granted patents
- 94
- Published applications
- 117
- Assignees
- 36
- Inventors
- 203
- Latest grant
- 2 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 9 |
| 2018 | 5 | 5 |
| 2019 | 9 | 6 |
| 2020 | 7 | 8 |
| 2021 | 7 | 17 |
| 2022 | 9 | 22 |
| 2023 | 11 | 8 |
| 2024 | 13 | 7 |
| 2025 | 12 | 12 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-piece toilet27 Aug 2026US 2026/0250936 A1Globe Union Industrial Corp.
- High Efficiency Toilet20 Aug 2026US 2026/0243074 A1
- Vacuum assist flush system16 Jul 2026US 2026/0201687 A1AS America, Inc.
- Toilet leak detection26 Mar 2026US 2026/0085990 A1Kohler Co.
- Toilet coupling12 Feb 2026US 2026/0043224 A1Kohler Co.
Most cited
By later US patents
- Water closets28US 4,162,548 ACelanese Corporation · 1979
- Sanitary fixtures27US 5,231,706 A1993
- Toilet tank gasket24US 4,757,560 AKohler Co. · 1988
- Coupling means for toilet tank and bowl assembly18US 4,924,533 AAmerican Standard Inc. · 1990
- Toilet tank attachment bracket with unitary spring arm13US 6,728,976 B1Kohler Co. · 2004