A47L 15/449
Metering controlling devices
Official title: {Metering controlling devices (A47L15/4229 takes precedence)}
A47L15/449 (Metering controlling devices) appears on 141 US grants and 175 published applications in this corpus.
Search patents in A47L- Granted patents
- 141
- Published applications
- 175
- Assignees
- 70
- Inventors
- 333
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 6 |
| 2013 | 3 | 7 |
| 2014 | 5 | 6 |
| 2015 | 3 | 6 |
| 2016 | 9 | 10 |
| 2017 | 12 | 17 |
| 2018 | 9 | 11 |
| 2019 | 13 | 11 |
| 2020 | 8 | 12 |
| 2021 | 4 | 15 |
| 2022 | 13 | 10 |
| 2023 | 13 | 12 |
| 2024 | 13 | 18 |
| 2025 | 9 | 7 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dish washer28 Apr 2026US 12,611,084 B2LG Electronics Inc.
- Cup washer31 Mar 2026US 12,588,797 B2LG Electronics Inc.
- Solid detergent dispenser for a washing machine24 Mar 2026US 12,582,284 B2Ecolab USA Inc.
- Domestic cleaning machine24 Mar 2026US 12,582,286 B2emz-Hanauer GmbH & Co. KGaA
- Dishwasher17 Feb 2026US 12,551,085 B2Samsung Electronics Co., Ltd.
- Near-field antenna system for an appliance8 Oct 2026US 2026/0305909 A1Haier US Appliance Solutions, Inc.
- Washing method having discontinuous dispensing of washing liquor, and dishwasher10 Sep 2026US 2026/0262906 A1BSH Hausgeräte GmbH
- Washing agent dispenser for dishwashers30 Jul 2026US 2026/0215653 A1ELTEK S.p.A.
- Dishwasher and control method therefor16 Jul 2026US 2026/0198749 A1LG Electronics Inc.
- Manifold flood valve assembly9 Jul 2026US 2026/0192340 A1Delaware Capital Formation, Inc.
Most cited
By later US patents
- Industrial dishwasher monitor/controller with speech capability123US 4,509,543 ABeta Technology, Inc. · 1985
- Ratio feed detergent controller and method with automatic feed rate learning capability73US 5,500,050 ADiversey, Inc. · 1996
- Detergent supply control for automatic dishwasher63US 4,211,517 ABender Machine Works, Inc. · 1980
- Household cleaning appliance with a single water flow path for both non-bulk and bulk dispensing58US 8,397,544 B2Whirlpool Corporation · 2013
- Self-optimizing detergent controller for controlling variable additive concentration level in a warewashing machine57US 5,681,400 AEcolab Inc. · 1997