F24H 3/002
Air heaters: using electric energy supply
Official title: {using electric energy supply}
F24H3/002 (Air heaters: using electric energy supply) appears on 192 US grants and 250 published applications in this corpus.
Search patents in F24H- Granted patents
- 192
- Published applications
- 250
- Assignees
- 162
- Inventors
- 453
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 4 |
| 2004 | 0 | 4 |
| 2005 | 2 | 2 |
| 2006 | 0 | 4 |
| 2007 | 1 | 9 |
| 2008 | 6 | 7 |
| 2009 | 2 | 8 |
| 2010 | 4 | 14 |
| 2011 | 5 | 9 |
| 2012 | 5 | 10 |
| 2013 | 8 | 11 |
| 2014 | 8 | 18 |
| 2015 | 7 | 15 |
| 2016 | 14 | 26 |
| 2017 | 10 | 13 |
| 2018 | 10 | 9 |
| 2019 | 8 | 9 |
| 2020 | 9 | 13 |
| 2021 | 12 | 12 |
| 2022 | 7 | 13 |
| 2023 | 3 | 9 |
| 2024 | 8 | 17 |
| 2025 | 5 | 5 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heating device and method of manufacturing a heating device23 Jun 2026US 12,663,180 B2Faurecia Emissions Control Technologies, Germany GmbH
- Air heating assembly, heating module, controllable heating module, and electronic cigarette device13 Jan 2026US 12,520,872 B2Huizhou Pegasus Technology Co., Ltd.
- Air duct and air system and methods and uses of said air duct and air system16 Dec 2025US 12,498,077 B2Dec Technologies B.V.
- Sensor cleaning system with anti-freezing function21 Oct 2025US 12,447,931 B2Hyundai Motor Company
- Air sterilization device with heating apparatus19 Aug 2025US 12,392,512 B2Guangzhou T. K Medical Instrument Co., Ltd.
- Electric heating device with open structure and power regulator24 Sep 2026US 2026/0287208 A1Emmesteel S.R.L.
- Body heating system with heat transfer fluid20 Aug 2026US 2026/0240265 A1Enover Isi Sistemleri Anonim Sirketi
- High-temperature heating apparatus21 May 2026US 2026/0139873 A1Hyperheat GmbH
- Electric Heating Device14 May 2026US 2026/0132957 A1Eberspacher catem GmbH & Co.KG
- Hybrid sauna stove5 Mar 2026US 2026/0060890 A1
Most cited
By later US patents
- Electronic atomization cigarette779US 7,832,410 B2Best Partners Worldwide Limited · 2010
- Electronic atomization cigarette316US 8,393,331 B2Ruyan Investment (Holdings) Limited · 2013
- Electronic atomization cigarette124US 8,490,628 B2Ruyan Investment (Holdings) Limited · 2013
- Electronic cigarette95US 8,893,726 B2Fontem Holdings 1 B.V. · 2014
- Heating heat exchanger with electric heat emitter90US 5,995,711 ADenso Corporation · 1999