F23D 11/448
Heated by electrical means
Official title: {heated by electrical means}
F23D11/448 (Heated by electrical means) appears on 67 US grants and 47 published applications in this corpus.
Search patents in F23D- Granted patents
- 67
- Published applications
- 47
- Assignees
- 49
- Inventors
- 143
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 11 |
| 2016 | 7 | 0 |
| 2017 | 2 | 2 |
| 2018 | 4 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic heating systems comprising dual-mode liquid fuel vaporizers and methods of operating thereof6 Aug 2024US 12,055,289 B2Proof Energy Inc.
- Control method for a catalytic combustion apparatus and a catalytic combustion system13 Feb 2024US 11,898,750 B2Nissan Motor Co., Ltd.
- Multi fuel thermophotovoltaic generator incorporating an omega recuperator15 Mar 2022US 11,277,090 B1JX Crystals Inc.
- Fuel combustion system with a perforated reaction holder26 Oct 2021US 11,156,356 B2Clearsign Technologies Corporation
- Heater10 Mar 2020US 10,584,869 B2The United States of America as represented by the Secretary of the Army
- Fireplace Flame-Extinguishing Method and Fireplace8 Jan 2026US 2026/0009542 A1Ningbo Richen Electrical Appliance Co., Ltd
- Gasification device for gasification combustion fireplace9 Jan 2025US 2025/0012441 A1
- Fireplace for gasifying and burning fuel9 Jan 2025US 2025/0012451 A1
- Catalytic heating systems comprising dual-mode liquid fuel vaporizers and methods of operating thereof4 May 2023US 2023/0132692 A1Proof Energy Inc.
- Control method for a catalytic combustion apparatus and a catalytic combustion system26 Aug 2021US 2021/0262662 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Method and apparatus for generating power by combustion of vaporized fuel87US 7,313,916 B2Philip Morris USA Inc. · 2008
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016
- Method for flame location transition from a start-up location to a perforated flame holder49US 9,388,981 B2Clearsign Combustion Corporation · 2016
- Device for controlling fuel combustion in a burner48US 4,915,615 AIsuzu Motors Limited · 1990
- Liquid vaporizer and diffuser48US 5,400,969 A1995