F24C 1/12
Of circular shape
Official title: of circular shape
F24C1/12 (Of circular shape) appears on 45 US grants and 43 published applications in this corpus.
Search patents in F24C- Granted patents
- 45
- Published applications
- 43
- Assignees
- 31
- Inventors
- 58
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 3 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 6 |
| 2017 | 0 | 2 |
| 2018 | 5 | 2 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Umbrella-shaped heater14 Apr 2026US 12,601,498 B2
- Flameout protection system and heater24 Feb 2026US 12,560,332 B2Shinerich Industrial Ltd.
- Patio heater with reflective fins9 Dec 2025US 12,492,822 B2Canadian Tire Corporation, Limited
- Column heater with improved heat output22 Jul 2025US 12,366,361 B2GHP Group, Inc.
- Heat shield14 Jan 2025US 12,196,427 B2
- Gas heater23 Jul 2026US 2026/0210556 A1Changzhou Wellife Furnace Co., Ltd.
- Advanced heat reflector23 Apr 2026US 2026/0110435 A1
- Umbrella-shaped heater20 Nov 2025US 2025/0354692 A1
- Column heater with improved heat output16 Oct 2025US 2025/0321007 A1GHP Group, Inc.
- Flameout protection system and heater4 Jul 2024US 2024/0219034 A1Shinerich Industrial Ltd.
Most cited
By later US patents
- Burner for radiant heater62US 4,782,814 AThe Coleman Company, Inc. · 1988
- Patio umbrella with radiant heater57US 5,964,233 A1999
- Heating apparatus45US 6,102,031 A2000
- Heating apparatus43US 6,192,878 B12001
- Miniature patio heater40US 6,446,623 B1CFM-RMC International, a division of the Vermont Castings Majestics Products Company · 2002