E03D 9/037
Active dispensers, i.e. comprising a moving dosing element
Official title: {Active dispensers, i.e. comprising a moving dosing element (E03D9/035 takes precedence)}
E03D9/037 (Active dispensers, i.e. comprising a moving dosing element) appears on 114 US grants and 71 published applications in this corpus.
Search patents in E03D- Granted patents
- 114
- Published applications
- 71
- Assignees
- 42
- Inventors
- 199
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 6 |
| 2018 | 1 | 5 |
| 2019 | 7 | 1 |
| 2020 | 2 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 5 |
| 2024 | 2 | 1 |
| 2025 | 1 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toilet bowl cleaning cup system20 Jan 2026US 12,529,220 B2
- Toilet foam apparatus13 Jan 2026US 12,523,030 B2Kohler (China) Investment Co., Ltd.
- Apparatus for releasing cleaner in flush toilet13 Jan 2026US 12,523,031 B2Zhejiang Yuhou Forest New Materials Technology Co., Ltd.
- Self-cleaning toilet assembly18 Nov 2025US 12,473,727 B2AS America, Inc.
- Plumbing fixture with electro-chlorinating device5 Nov 2024US 12,134,885 B2Kohler Co.
- Device for cleaning a toilet bowl13 Aug 2026US 2026/0234922 A1Toibot Ltd.
- Toilet water treament4 Jun 2026US 2026/0152936 A1Kohler Co.
- Flush architecture sanitation platform21 May 2026US 2026/0139464 A1
- Toilet bowl cleaning cup system16 Oct 2025US 2025/0320707 A1
- Apparatus for releasing cleaner in flush toilet19 Jun 2025US 2025/0198144 A1Zhejiang Juhui Technology Development Co., Ltd
Most cited
By later US patents
- Automatic cleaning assembly for a toilet bowl42US 6,321,392 B1Xitec Systems · 2001
- Toilet cleaner controller device34US 5,881,396 A1999
- Odor reduction toilet apparatus33US 5,125,119 A1992
- Toilet cleaning dispenser system with removable cartridge32US 6,662,379 B2Fluidmaster, Inc. · 2003
- Toilet cleaner dispensing system28US 6,151,722 A2000