F23D 5/02
The liquid forming a pool
Official title: the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators
F23D5/02 (The liquid forming a pool) appears on 54 US grants and 43 published applications in this corpus.
Search patents in F23D- Granted patents
- 54
- Published applications
- 43
- Assignees
- 37
- Inventors
- 90
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 9 |
| 2014 | 2 | 2 |
| 2015 | 1 | 5 |
| 2016 | 6 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 4 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Burner for liquid fuel and method for operating such burner15 Sep 2026US 12,736,216 B2Aduro A/S
- Burner system with integrated shutter and spaced apart fill port15 Jul 2025US 12,359,805 B1Solo Brands, LLC
- Fire column3 Sep 2024US 12,078,345 B2
- Solid fuel burning system with electronic ignition9 Aug 2022US 11,408,608 B2Masterson Enterprises, Inc.
- Pressure-type alcohol stove17 May 2022US 11,333,363 B2Zhejiang Lufeng Outdoor Products Co., Ltd.
- Smudge pot5 Dec 2024US 2024/0401797 A1Smudge Pot Direct LLC
- Mobile heating device, and method for operating a mobile heating device24 Oct 2024US 2024/0353101 A1
- Burner for liquid fuel and method for operating such burner14 Mar 2024US 2024/0085017 A1Aduro A/S
- Fire column28 Jul 2022US 2022/0235930 A1
- Portable Warming Assembly1 Jul 2021US 2021/0199302 A1
Most cited
By later US patents
- Device for producing stable and augmented flame16US 8,641,413 B2Pro-Iroda Industries, Inc. · 2014
- Safety device for oil burner12US 4,710,125 AToyotomi Kogyo Co., Ltd. · 1987
- Fireplace fuel cartridge for rectangular, self regulating flame patterns12US 7,799,102 B22010
- Combustion control system for oil burner11US 4,770,627 AToyotomi Kogyo Co., Ltd. · 1988
- Water heater with up-down flow flue10US 4,398,502 A1983