F24H 9/0042
Cleaning arrangements
Official title: {Cleaning arrangements}
F24H9/0042 (Cleaning arrangements) appears on 112 US grants and 86 published applications in this corpus.
Search patents in F24H- Granted patents
- 112
- Published applications
- 86
- Assignees
- 61
- Inventors
- 201
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 4 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 5 |
| 2019 | 7 | 7 |
| 2020 | 5 | 7 |
| 2021 | 9 | 10 |
| 2022 | 6 | 5 |
| 2023 | 6 | 2 |
| 2024 | 4 | 8 |
| 2025 | 2 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for preventing and removing chemical deposits in a fluid heating device6 Oct 2026US 12,753,950 B2Rheem Manufacturing Company
- Air heating apparatus and method for disassembling air heating apparatus1 Sep 2026US 12,723,777 B2Kyungdong Navien Co., Ltd.
- Air heating apparatus9 Jun 2026US 12,650,243 B2Kyungdong Navien Co., Ltd.
- Determining calcification in a household appliance11 Nov 2025US 12,467,891 B2Whirlpool Corporation
- Water heater clean out device and method of cleaning out a water heater8 Apr 2025US 12,270,576 B1
- Air heating apparatus17 Sep 2026US 2026/0276241 A1Kyungdong Navien Co., Ltd.
- Water heater system including upper pipes and lower pipes13 Aug 2026US 2026/0235324 A1Daesung Celtic Enersys Co., Ltd
- Scale Alarm System and Method19 Mar 2026US 2026/0078929 A1Bradford White Corporation
- Determining calcification in a household appliance26 Feb 2026US 2026/0056153 A1Whirlpool Corporation
- Method of Cleaning Out a Water Heater1 Jan 2026US 2026/0002701 A1
Most cited
By later US patents
- Automated water heater flushing and monitoring system122US 10,047,974 B1State Farm Mutual Automobile Insurance Company · 2018
- Automated water heater flushing and monitoring system121US 10,480,825 B1State Farm Mutual Automobile Insurance Company · 2019
- Automated water heater flushing and monitoring system119US 10,323,860 B1State Farm Mutual Automobile Insurance Company · 2019
- Automated water heater flushing and monitoring system118US 10,823,458 B1State Farm Mutual Automobile Insurance Company · 2020
- Automated water heater flushing and monitoring system112US 11,118,812 B1State Farm Mutual Automobile Insurance Company · 2021