A47L 15/4427
Entrained in the water supply line by a pressure drop
Official title: {entrained in the water supply line by a pressure drop, e.g. resulting from a Venturi throat}
A47L15/4427 (Entrained in the water supply line by a pressure drop) appears on 15 US grants and 9 published applications in this corpus.
Search patents in A47L- Granted patents
- 15
- Published applications
- 9
- Assignees
- 14
- Inventors
- 47
- Latest grant
- 15 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Washing machine for auto-added washing agent by negative pressure and controlling method thereof17 May 2016US 9,340,918 B2Haier Group Corporation
- Air gap eductor26 Jan 1999US 5,862,829 AHydor Systems Company
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- Detergent dosing controller15 Jun 2017US 2017/0167068 A1Hangzhou Kambayashi Electronics Co., Ltd.
- Detergent Release Controller27 Aug 2015US 2015/0238066 A1Hangzhou Kambayashi Electronic Co., Ltd.
- Washing machine for auto-added washing agent by negative pressure and controlling method thereof27 Sep 2012US 2012/0240344 A1Haier Group Corporation
Most cited
By later US patents
- Dishwashing machine130US 5,331,986 ADaewoo Eelctronics Company, Ltd. · 1994
- Chemical eductor with integral elongated air gap48US 5,253,677 AHydro Systems Company · 1993
- Chemical eductor with integral elongated air gap40US 5,159,958 AHydro Systems Company · 1992
- Gel dispensing apparatus and method39US 4,998,850 APark Corporation · 1991
- Fluid injector27US 4,114,195 AThe Procter & Gamble Company · 1978