E03D 2009/028
Using a liquid substance
Official title: {using a liquid substance}
E03D2009/028 (Using a liquid substance) appears on 101 US grants and 109 published applications in this corpus.
Search patents in E03D- Granted patents
- 101
- Published applications
- 109
- Assignees
- 46
- Inventors
- 211
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 1 | 5 |
| 2017 | 2 | 8 |
| 2018 | 1 | 7 |
| 2019 | 14 | 10 |
| 2020 | 5 | 14 |
| 2021 | 7 | 7 |
| 2022 | 7 | 8 |
| 2023 | 8 | 10 |
| 2024 | 6 | 6 |
| 2025 | 5 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clean toilet and accessories26 May 2026US 12,637,851 B2Kohler Co.
- Clean toilet and accessories21 Apr 2026US 12,607,000 B2Kohler Co.
- 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.
- Descaling device, system, and descaling method of electronic toilet and liquid supply device, system, and cleaning method of electronic toilet18 Nov 2025US 12,473,726 B2Shanghai Kohler Electronics, Ltd.
- Clean toilet and accessories10 Sep 2026US 2026/0266036 A1Kohler Co.
- Device for cleaning a toilet bowl13 Aug 2026US 2026/0234922 A1Toibot Ltd.
- Toilet water treament4 Jun 2026US 2026/0152936 A1Kohler Co.
- Automatic toilet cleaning device5 Feb 2026US 2026/0035898 A1
- Toilet cleaning system5 Feb 2026US 2026/0035899 A1
Most cited
By later US patents
- Clean toilet and accessories30US 10,450,733 B2Kohler Co. · 2019
- Bottle with a clip for suspending the bottle in inverted position22US 4,228,928 ANorthwest Sanitation Products, Inc. · 1980
- Lavatory assembly20US 5,073,992 AHornbeam Ivy Limited · 1991
- Discharge assembly18US 4,696,414 A1987
- Toilet lid apparatus18US 7,549,181 B12009