E03D 1/38
Adaptations or arrangements of flushing pipes
Official title: Adaptations or arrangements of flushing pipes (noise-absorbing means in pipe systems F16L55/00 {; noise-reducing means in the flushing mechanism not in combination with flushing valves E03D11/00; provisions in the flushing pipe for evacuating leakage water from the cistern})
E03D1/38 (Adaptations or arrangements of flushing pipes) appears on 35 US grants and 40 published applications in this corpus.
Search patents in E03D- Granted patents
- 35
- Published applications
- 40
- Assignees
- 21
- Inventors
- 108
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 4 | 5 |
| 2024 | 5 | 4 |
| 2025 | 5 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Flush toilet16 Dec 2025US 12,497,771 B2Toto Ltd.
- Flushing method for toilet, and flushing toilet7 Oct 2025US 12,435,500 B2
- Flowrate-increasing drain head and drain valve28 May 2026US 2026/0146426 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Toilet device, flushing system and flushing method therefor16 Apr 2026US 2026/0103876 A1Jomoo Kitchen & Bath Deutschland GmbH
- Spray head, flushing system, and toilet5 Feb 2026US 2026/0035900 A1Quanzhou Komoo Intelligent Kitchen & Bath Co., Ltd
- System and Method for Run-On Detection28 Aug 2025US 2025/0270801 A1Sloan Valve Company
- Quick-coupling mechanism for toilet and method of using same14 Aug 2025US 2025/0257553 A1Kohler Co.
Most cited
By later US patents