F23B 50/06
The flue gases being removed downwards through one or more openings in
Official title: the flue gases being removed downwards through one or more openings in the fuel-supporting surface
F23B50/06 (The flue gases being removed downwards through one or more openings in) appears on 11 US grants and 12 published applications in this corpus.
Search patents in F23B- Granted patents
- 11
- Published applications
- 12
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 22 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pyrolysis boiler22 Dec 2020US 10,871,285 B2Pyroheat OÜ
- Reverse combustion type combustion apparatus25 Feb 2020US 10,571,152 B2Noritz Corporation
- Highly efficient wood stove/heater3 Dec 2019US 10,495,300 B2Liberator LLC
- Combustion system2 Apr 2019US 10,247,422 B2
- Wood burning furnace1 Mar 2016US 9,273,869 B1
- Heating Device Using Wood Fuel21 May 2020US 2020/0158375 A1Pyroheat OÜ
- Pyrolysis Boiler15 Aug 2019US 2019/0249870 A1Pyroheat OÜ
- Reverse combustion type combustion apparatus12 Jul 2018US 2018/0195759 A1Noritz Corporation
- Highly Efficient Wood Stove/Heater24 May 2018US 2018/0142886 A1Liberator LLC
- An improved combustion system18 Feb 2016US 2016/0047551 A1
Most cited
By later US patents
- Smoke generating device62US 4,580,583 A1986
- Pellet burning heating assembly27US 7,530,351 B22009
- Wood-pellet cogeneration unit with stirling engine in condensing technology5US 8,281,584 B22012
- High efficiency wood or biomass boiler4US 8,640,655 B22014
- Highly efficient wood stove/heater3US 10,495,300 B2Liberator LLC · 2019