F24H 15/14
Cleaning
Official title: Cleaning; Sterilising; Preventing contamination by bacteria or microorganisms, e.g. by replacing fluid in tanks or conduits
F24H15/14 (Cleaning) appears on 57 US grants and 84 published applications in this corpus.
Search patents in F24H- Granted patents
- 57
- Published applications
- 84
- Assignees
- 50
- Inventors
- 156
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 8 |
| 2015 | 4 | 2 |
| 2016 | 1 | 2 |
| 2017 | 4 | 3 |
| 2018 | 3 | 3 |
| 2019 | 4 | 10 |
| 2020 | 4 | 10 |
| 2021 | 6 | 9 |
| 2022 | 7 | 6 |
| 2023 | 6 | 4 |
| 2024 | 5 | 9 |
| 2025 | 3 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hot water tank and flow through heating assembly23 Jun 2026US 12,663,181 B2National Machine Company
- Modulating pool or spa heater systems and associated methods24 Mar 2026US 12,584,327 B2Hayward Industries, Inc.
- Water heating system13 Jan 2026US 12,523,379 B2
- Compact water heating and treatment system20 May 2025US 12,305,885 B2Watts Regulator Co.
- Compact water heating and treatment system14 Jan 2025US 12,195,953 B2Watts Regulator Co.
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Water Heating System with Combination Valve30 Jul 2026US 2026/0218942 A1Rheem Manufacturing Company
- Scale Alarm System and Method19 Mar 2026US 2026/0078929 A1Bradford White Corporation
- Electric tankless water heater scale detection4 Dec 2025US 2025/0369652 A1
- Cold water cooling with heat recovery29 May 2025US 2025/0171985 A1Georg Fischer JRG AG
Most cited
By later US patents
- Programmable thermostat to reduce bacterial proliferation to prevent legionellosis65US 5,808,277 A1998
- Combination water heating and space heating apparatus52US 5,544,645 ALennox Industries Inc. · 1996
- System and method for controlling temperature of a liquid residing within a tank38US 7,065,431 B2Synapse, Inc. · 2006
- Method and apparatus for detecting and compensating for sediment build-up in tank-style water heaters26US 9,435,566 B2Honeywell International Inc. · 2016
- Tubular high efficiency, non-contaminating fluid heater25US 5,396,574 AProcess Technology Inc. · 1995