F24D 19/0092
Devices for preventing or removing corrosion, slime or scale
Official title: {Devices for preventing or removing corrosion, slime or scale}
F24D19/0092 (Devices for preventing or removing corrosion, slime or scale) appears on 167 US grants and 222 published applications in this corpus.
Search patents in F24D- Granted patents
- 167
- Published applications
- 222
- Assignees
- 91
- Inventors
- 385
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 5 |
| 2006 | 2 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 6 |
| 2012 | 5 | 4 |
| 2013 | 0 | 11 |
| 2014 | 7 | 13 |
| 2015 | 5 | 14 |
| 2016 | 8 | 13 |
| 2017 | 8 | 11 |
| 2018 | 21 | 11 |
| 2019 | 11 | 12 |
| 2020 | 10 | 18 |
| 2021 | 12 | 15 |
| 2022 | 11 | 25 |
| 2023 | 12 | 13 |
| 2024 | 14 | 13 |
| 2025 | 11 | 12 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Heat transfer system25 Jun 2026US 2026/0177287 A1Bradford White Corporation
- Complete drainage system for closed hot water tank and complete drainage method using the same4 Jun 2026US 2026/0153245 A1Coway Co., Ltd.
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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