A47L 2401/11
Water hardness, acidity or basicity
A47L2401/11 (Water hardness, acidity or basicity) appears on 46 US grants and 68 published applications in this corpus.
Search patents in A47L- Granted patents
- 46
- Published applications
- 68
- Assignees
- 34
- Inventors
- 144
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 5 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 5 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 6 |
| 2016 | 2 | 7 |
| 2017 | 1 | 3 |
| 2018 | 4 | 3 |
| 2019 | 5 | 4 |
| 2020 | 2 | 7 |
| 2021 | 5 | 2 |
| 2022 | 4 | 4 |
| 2023 | 2 | 3 |
| 2024 | 4 | 6 |
| 2025 | 6 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water bearing appliance, control method, and system31 Mar 2026US 12,590,398 B2E. G. O. Elektro-Geraetebau GmbH
- Determining calcification in a household appliance11 Nov 2025US 12,467,891 B2Whirlpool Corporation
- System and method for determining presence of water softener21 Oct 2025US 12,446,755 B2Haier US Appliance Solutions, Inc.
- Dish washer and controlling method thereof22 Apr 2025US 12,279,734 B2Samsung Electronics Co., Ltd.
- System with a dishwasher, method, and computer program product18 Mar 2025US 12,251,071 B2BSH Hausgeräte GmbH
- Determining calcification in a household appliance26 Feb 2026US 2026/0056153 A1Whirlpool Corporation
- Machine learning classification or scoring of cleaning outcomes in cleaning machines6 Mar 2025US 2025/0072703 A1Ecolab USA Inc.
- Dish washer and controllung method thereof19 Sep 2024US 2024/0306880 A1Samsung Electronics Co., Ltd.
- System and method for determining presence of water softener11 Jul 2024US 2024/0225411 A9Haier US Appliance Solutions, Inc.
- Appliance and method for operation11 Jul 2024US 2024/0225412 A9Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Method and monitoring device for monitoring a wash process24US 6,536,060 B1Unilever Home & Personal Care USA, Division of Conopco, Inc. · 2003
- Device for monitoring a wash process17US 7,150,284 B2JohnsonDiversey, Inc. · 2006
- Dishmachine14US 9,289,107 B2Ecolab USA Inc. · 2016
- Method for adapting a rinsing program in a dishwasher machine, and corresponding dishwasher machine13US 7,704,330 B2BSH Bosch und Siemens Hausgeraete GmbH · 2010
- Dishwasher with pH-controlled program pre-selection10US 5,725,001 AAEG Hausgerate GmbH · 1998