E03D 1/28
Bowl integral with the flushing cistern
E03D1/28 (Bowl integral with the flushing cistern) appears on 33 US grants and 41 published applications in this corpus.
Search patents in E03D- Granted patents
- 33
- Published applications
- 41
- Assignees
- 20
- Inventors
- 110
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 5 |
| 2022 | 7 | 5 |
| 2023 | 3 | 3 |
| 2024 | 2 | 4 |
| 2025 | 3 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Toilet10 Mar 2026US 12,571,193 B2Lixil (China) Investment Co., Ltd.
- Flush toilet16 Dec 2025US 12,497,771 B2Toto Ltd.
- Flushing method for toilet, and flushing toilet7 Oct 2025US 12,435,500 B2
- Flush toilet4 Feb 2025US 12,215,492 B2Toto Ltd.
- One-piece toilet with flush valve10 Dec 2024US 12,163,322 B2Kohler Co.
Most cited
By later US patents
- Electrically controlled drain and vent system for sinks and the like40US 4,185,336 A1980
- Flush toilet26US 6,986,172 B2Toto Ltd. · 2006
- Plastic toilet24US 4,145,772 ATrayco, Inc. · 1979
- Water closet with supplemented rim wash water flow13US 4,918,763 ACanaceramic Limited · 1990
- Low water toilet9US 6,279,176 B11:7 Water Solutions, Inc. · 2001