F23B 90/08
In the presence of catalytic material
Official title: in the presence of catalytic material
F23B90/08 (In the presence of catalytic material) appears on 24 US grants and 28 published applications in this corpus.
Search patents in F23B- Granted patents
- 24
- Published applications
- 28
- Assignees
- 13
- Inventors
- 40
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 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 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 4 |
| 2018 | 4 | 7 |
| 2019 | 4 | 2 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Non-bypassable catalyst assisted appliances29 Mar 2022US 11,287,135 B2Jotul AS
- Control system and method for a solid fuel combustion appliance1 Jun 2021US 11,022,305 B2Maxitrol Company
- Non-bypassable catalyst assisted appliances29 Sep 2020US 10,788,216 B2Jotul AS
- Catalytic cookstove with passive control of draft and method of use12 May 2020US 10,646,824 B2Mainsteam Engineering Corporation
- Intelligent oxygen level controller for biofuel-fired burner11 Feb 2020US 10,557,632 B2Biomass Controls PBC
- Non-bypassable catalyst assisted appliances17 Dec 2020US 2020/0393133 A1Jotul AS
- Intelligent Temperature Controller for Biofuel-Fired Burner21 May 2020US 2020/0158339 A1Biomass Controls PBC
- Catalytic cookstove with passive control of draft and method of use12 Dec 2019US 2019/0374907 A1Mainstream Engineering Corporation
- Control System And Method For A Solid Fuel Combustion Appliance12 Sep 2019US 2019/0277499 A1Maxitrol Company
- Exhaust System For A Biochar Kiln4 Oct 2018US 2018/0282628 A1Biochar Now, LLC
Most cited
By later US patents
- Catalytic stove61US 4,319,556 AJamestown Group · 1982
- Intelligently-controlled catalytic converter for biofuel-fired boiler19US 8,812,162 B2Clearstak LLC · 2014
- Airflow control and heat recovery in a managed kiln14US 9,752,078 B2Biochar Now, LLC · 2017
- Heating apparatus13US 4,582,045 A1986
- Intelligent oxygen level controller for biofuel-fired burner5US 9,513,005 B2Biomass Controls, LLC · 2016