F24H 3/0488
Using fluid fuel
Official title: {using fluid fuel}
F24H3/0488 (Using fluid fuel) appears on 157 US grants and 91 published applications in this corpus.
Search patents in F24H- Granted patents
- 157
- Published applications
- 91
- Assignees
- 88
- Inventors
- 304
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 5 |
| 2006 | 3 | 6 |
| 2007 | 2 | 2 |
| 2008 | 1 | 9 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 5 | 5 |
| 2012 | 3 | 3 |
| 2013 | 6 | 5 |
| 2014 | 4 | 7 |
| 2015 | 4 | 7 |
| 2016 | 6 | 4 |
| 2017 | 2 | 2 |
| 2018 | 5 | 4 |
| 2019 | 1 | 6 |
| 2020 | 5 | 3 |
| 2021 | 1 | 6 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable duct mechanism for heating equipment11 Nov 2025US 12,467,659 B2Briggs & Stratton Corporation
- Furnace accessory27 May 2025US 12,313,302 B2
- User interface for heater17 Dec 2024US 12,169,071 B2Milwaukee Electric Tool Corporation
- Production system and production method of potassium manganate30 Jul 2024US 12,050,027 B2Shenzhen Hangxin Trading Co., Ltd.
- Blow through direct fired heating, A/C and ERV7 Mar 2023US 11,598,556 B2Cambridge Engineering, Inc.
- Universal battery system for cordless devices1 Oct 2026US 2026/0298475 A1Enerco Group, Inc.
- Hybrid duct device for heating an air flow16 Jul 2026US 2026/0202092 A1Fives Itas S.P.A.
- Portable turbine heater21 May 2026US 2026/0139848 A1Cahill Services Operating LLC
- Adjustable duct mechanism for heating equipment15 Jan 2026US 2026/0016191 A1Briggs & Stratton Corporation
- Fan assisted personal heater device19 Dec 2024US 2024/0418407 A1Techtronic Cordless GP
Most cited
By later US patents
- Fuel flow means for portable space heaters91US 4,340,362 AEx-Cell-O Corporation · 1982
- Cordless hydrocarbon fuel heated hairdryer78US 5,857,262 AThe Schawbel Corporation · 1999
- Compact forced air heater67US 4,848,313 AScheu Manufacturing Company · 1989
- Self-regulating forced air heater64US 5,865,618 A1999
- Hot airstream generating device60US 4,726,767 ANakajima Dokosho Company Limited · 1988