F24B 1/1888
With forced circulation
Official title: {with forced circulation}
F24B1/1888 (With forced circulation) appears on 21 US grants and 10 published applications in this corpus.
Search patents in F24B- Granted patents
- 21
- Published applications
- 10
- Assignees
- 10
- Inventors
- 43
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control system for a fuel burning appliance and a method of operating such an appliance7 May 2024US 11,976,821 B2Wolf Steel Ltd.
- Heat exchanger for a log-burning fireplace21 Dec 2010US 7,854,223 B1
- Residential fireplace insert31 Mar 2009US 7,509,954 B2
- Fireplace insert23 Dec 2003US 6,666,206 B1
- Fireplace insert thermally generating electrical power useful for operating a circulating fan8 Jul 2003US 6,588,419 B1Honeywell International Inc.
- Portable combination stove and space heater16 Nov 2023US 2023/0366558 A1
- Control system for a fuel burning appliance and a method of operating such an appliance9 Sep 2021US 2021/0278087 A1Wolf Steel Ltd.
- Fire and Heat Display28 Mar 2019US 2019/0093839 A1
- Fire Pit with Heat Exchanger6 Sep 2018US 2018/0252414 A1
- X-vent15 Aug 2013US 2013/0206133 A1Fmi Products, LLC
Most cited
By later US patents
- Heating apparatus26US 5,046,481 A1991
- High temperature fireplace grate including room heating transfer tubes22US 6,484,714 B12002
- Zero clearance fireplace14US 5,307,801 AWolf Steel Ltd. · 1994
- Fireplace insert thermally generating electrical power useful for operating a circulating fan14US 6,588,419 B1Honeywell International Inc. · 2003
- Fireplace insert construction10US 4,446,848 AGladstone Furnace Company, Inc. · 1984