F24H 1/165
Using fluid fuel
Official title: {using fluid fuel}
F24H1/165 (Using fluid fuel) appears on 56 US grants and 52 published applications in this corpus.
Search patents in F24H- Granted patents
- 56
- Published applications
- 52
- Assignees
- 42
- Inventors
- 118
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 2 | 8 |
| 2015 | 3 | 3 |
| 2016 | 4 | 8 |
| 2017 | 5 | 2 |
| 2018 | 5 | 4 |
| 2019 | 6 | 7 |
| 2020 | 2 | 2 |
| 2021 | 3 | 2 |
| 2022 | 3 | 3 |
| 2023 | 3 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Boiler for making hot water and room heating water available simultaneously17 Mar 2026US 12,578,120 B2
- Heat exchange cell and method19 Sep 2023US 11,761,678 B2Condevo S.P.A.
- Hybrid heater27 Jun 2023US 11,686,118 B2Pentair Water Pool and Spa, Inc.
- Notched base ring for use with a heat exchanger of a pressure washer14 Mar 2023US 11,604,033 B2Northern Tool & Equipment Company, Inc.
- Hot water appliance, flue gas discharge therefor and method for heating a fluid14 Jun 2022US 11,359,837 B2Intergas Heating Assets B.V.
- Water heater26 Sep 2024US 2024/0318868 A1Noritz Corporation
- A device for heating a medium and air11 Apr 2024US 2024/0117998 A1Truma Geraetetechnik GmbH & Co. KG
- Boiler for making hot water and room heating water available simultaneously9 Nov 2023US 2023/0358440 A1CHOI, Sung-Hwan
- Corrosion prevention for heat exchanger devices and pool heaters6 Oct 2022US 2022/0316823 A1Rheem Manufacturing Company
- Power cells and heat transfer systems for combined heat and power, and related systems and methods21 Apr 2022US 2022/0120217 A1
Most cited
By later US patents
- Self-pumping water boiler system20US 4,158,438 ARaytheon Company · 1979
- Portable water heater18US 7,506,386 B1Taph, LLC · 2009
- Gas instantaneous water heater17US 4,550,689 A1985
- Heat exchanger for pressure washer16US 5,713,310 AClarke Industries, Inc. · 1998
- Hot water heating system12US 4,350,144 AStanford Associates, Inc. · 1982