A47L 15/4297
Arrangements for detecting or measuring the condition of the washing water
Official title: {Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity}
A47L15/4297 (Arrangements for detecting or measuring the condition of the washing water) appears on 175 US grants and 208 published applications in this corpus.
Search patents in A47L- Granted patents
- 175
- Published applications
- 208
- Assignees
- 79
- Inventors
- 435
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 3 | 5 |
| 2004 | 3 | 10 |
| 2005 | 2 | 7 |
| 2006 | 3 | 6 |
| 2007 | 5 | 10 |
| 2008 | 6 | 4 |
| 2009 | 6 | 8 |
| 2010 | 6 | 6 |
| 2011 | 6 | 7 |
| 2012 | 4 | 8 |
| 2013 | 5 | 7 |
| 2014 | 7 | 9 |
| 2015 | 3 | 2 |
| 2016 | 8 | 6 |
| 2017 | 6 | 15 |
| 2018 | 10 | 12 |
| 2019 | 13 | 8 |
| 2020 | 6 | 12 |
| 2021 | 5 | 17 |
| 2022 | 8 | 10 |
| 2023 | 9 | 13 |
| 2024 | 11 | 12 |
| 2025 | 11 | 5 |
| 2026 | 3 | 5 |
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
- Pollution measuring sensor housing10 Feb 2026US 12,543,921 B2Serdar Plastik Sanayi Ve Ticaret Anonim Sirketi
- Device, household appliance and method for identifying substance groups in a fluid within a household appliance6 Jan 2026US 12,516,462 B2emz-Hanauer GmbH & Co. KGaA
- Dishwasher sump and dishwasher apparatus16 Dec 2025US 12,495,945 B2Ecolab USA Inc.
- Dynamic dispensing system4 Nov 2025US 12,458,195 B2Champion Industries, Inc.
- Fluid level monitoring system for dishwashing machines6 Aug 2026US 2026/0227221 A1Ecolab USA Inc.
- Dishwasher with a tank cleaning system23 Apr 2026US 2026/0108129 A1Illinois Tool Works Inc.
- Dishwasher sump and dishwasher apparatus19 Mar 2026US 2026/0076523 A1Ecolab USA Inc.
- Dishwasher19 Mar 2026US 2026/0076524 A1LG Electronics Inc.
- Sensor apparatus1 Jan 2026US 2026/0002879 A1emz-Hanauer GmbH & Co. KGaA
Most cited
By later US patents
- Control circuit for dishwasher76US 3,949,782 AHobart Corporation · 1976
- Machine for cleansing articles76US 5,291,626 AGeneral Electric Company · 1994
- System and method for adjusting the operating cycle of a cleaning appliance74US 5,560,060 AGeneral Electric Company · 1996
- Sensor device and methods for using same68US 6,958,693 B2Sandia Corporation · 2005
- Dishwasher with targeted sensing67US 7,935,194 B2Whirlpool Corporation · 2011