F23J 11/12
Smoke conduit systems for factories or large buildings
F23J11/12 (Smoke conduit systems for factories or large buildings) appears on 12 US grants and 16 published applications in this corpus.
Search patents in F23J- Granted patents
- 12
- Published applications
- 16
- Assignees
- 12
- Inventors
- 26
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Collective exhaust system15 Apr 2025US 12,276,421 B2Noritz Corporation
- Selective catalytic reduction process and method of regenerating deactivated SCR catalyst of a parallel flue gas treating system28 Jul 2020US 10,722,844 B2Shell Oil Company
- Combustion device and combustion device system including combustion device21 Jan 2020US 10,539,338 B2Noritz Corporation
- Furnace tunnels and assembly system29 Oct 2019US 10,458,707 B2BD Energy Systems, LLC
- Reversible draft controllers and exhaust systems incorporating same15 Oct 2019US 10,443,840 B2RM Manifold Group, Inc.
- Collective exhaust system29 Dec 2022US 2022/0412558 A1Noritz Corporation
- Selective catalytic reduction process and method of regenerating deactivated scr catalyst of a parallel flue gas treating system27 Feb 2020US 2020/0061537 A1Shell Oil Company
- Furnace tunnels and assembly system27 Feb 2020US 2020/0064070 A1BD Energy Systems, LLC
- Furnace tunnels and assembly system2 Aug 2018US 2018/0216887 A1BD Energy Systems, LLC
- Combustion device and combustion device system including combustion device26 Apr 2018US 2018/0112890 A1Noritz Corporation
Most cited
By later US patents
- Coke oven flue gas sharing99US 6,596,128 B2Sun Coke Company · 2003
- Duct sealing apparatus and ducting system3US 5,334,092 A1994
- Exhaust stacks and power generation systems for increasing gas turbine power output3US 7,707,818 B2General Electric Company · 2010
- Splitter plate arrangement for a flue gas stack2US 6,394,008 B1Alstom (Switzerland) Ltd · 2002
- Furnace tunnels and assembly system1US 10,458,707 B2BD Energy Systems, LLC · 2019