A47L 15/0055
Metering or indication of used products
Official title: {Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration}
A47L15/0055 (Metering or indication of used products) appears on 227 US grants and 258 published applications in this corpus.
Search patents in A47L- Granted patents
- 227
- Published applications
- 258
- Assignees
- 91
- Inventors
- 485
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 3 |
| 2004 | 3 | 9 |
| 2005 | 4 | 10 |
| 2006 | 2 | 4 |
| 2007 | 1 | 5 |
| 2008 | 1 | 0 |
| 2009 | 2 | 11 |
| 2010 | 7 | 10 |
| 2011 | 3 | 10 |
| 2012 | 11 | 17 |
| 2013 | 8 | 12 |
| 2014 | 11 | 15 |
| 2015 | 9 | 6 |
| 2016 | 6 | 6 |
| 2017 | 12 | 11 |
| 2018 | 11 | 13 |
| 2019 | 8 | 17 |
| 2020 | 9 | 11 |
| 2021 | 10 | 17 |
| 2022 | 12 | 15 |
| 2023 | 15 | 11 |
| 2024 | 14 | 21 |
| 2025 | 12 | 7 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical cell26 May 2026US 12,637,370 B2Imperial College Innovations Limited
- Dish washer28 Apr 2026US 12,611,084 B2LG Electronics Inc.
- Dishwasher and control method thereof24 Mar 2026US 12,582,280 B2Samsung Electronics Co., Ltd.
- Solid detergent dispenser for a washing machine24 Mar 2026US 12,582,284 B2Ecolab USA Inc.
- Dishwasher for treating washware10 Mar 2026US 12,569,109 B2Electrolux Professional S. p. A.
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Washing method having discontinuous dispensing of washing liquor, and dishwasher10 Sep 2026US 2026/0262906 A1BSH Hausgeräte GmbH
- Dishwasher automatic descaling system13 Aug 2026US 2026/0232166 A1Ecolab USA Inc.
- Dishwasher and control method therefor16 Jul 2026US 2026/0198749 A1LG Electronics Inc.
- Direct chemistry spray application in warewash2 Jul 2026US 2026/0182810 A1Ecolab USA Inc.
Most cited
By later US patents
- Industrial dishwasher chemical dispenser104US 4,756,321 ABeta Technology, Inc. · 1988
- Data processing system for managing chemical product usage104US 6,377,868 B1Ecolab Inc. · 2002
- Chemical solution dispenser apparatus and method of using92US 4,964,185 AEcolab Inc. · 1990
- Chemical solution dispenser apparatus and method of using86US 4,858,449 AEcolab Inc. · 1989
- Dishwasher83US 6,189,551 B1Fisher & Paykel Limited · 2001