F23J 11/02
Devices for conducting smoke or fumes: for conducting smoke or fumes originating
Official title: for conducting smoke or fumes originating from various locations to the outside, e.g. in locomotive sheds, in garages
F23J11/02 (Devices for conducting smoke or fumes: for conducting smoke or fumes originating) appears on 25 US grants and 26 published applications in this corpus.
Search patents in F23J- Granted patents
- 25
- Published applications
- 26
- Assignees
- 29
- Inventors
- 83
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Collective exhaust system15 Apr 2025US 12,276,421 B2Noritz Corporation
- Arrangement having two burners5 Mar 2024US 11,920,785 B2Truma Gerätetechnik GmbH & Co. KG
- Reformer furnace for performing an endothermic process20 Feb 2024US 11,906,247 B2L'Air Liquide Societe Anonyme Pour l'Etude et l'Expoitation des Procedes Georges Claude
- Smoke removal device11 Oct 2022US 11,466,851 B2Grand Mate Co., Ltd.
- Circulating fluidized bed boiler with a loopseal heat exchanger12 Jan 2021US 10,890,323 B2Valmet Technologies Oy
- Smoke exhaust pipe8 May 2025US 2025/0146663 A1Junsky Appliances Limited
- Collective exhaust system29 Dec 2022US 2022/0412558 A1Noritz Corporation
- Flexible air duct winding and unwinding device for air supply24 Nov 2022US 2022/0373216 A1Huaneng Power International, Inc. Shanghai Shidongkou First Power Plant
- Smoke removal device28 Oct 2021US 2021/0332978 A1Grand Mate Co., Ltd.
- Arrangement Having Two Burners7 Oct 2021US 2021/0310653 A1Truma Gerätetechnik GmbH & Co. KG
Most cited
By later US patents
- Coke oven flue gas sharing99US 6,596,128 B2Sun Coke Company · 2003
- Method and ducting system for hot gas heat recovery23US 4,253,821 ASchweitzer Industrial Corporation · 1981
- Positive air flow ventilation system20US 6,000,391 A1999
- Venting system for gas-fired heating plants13US 4,187,833 AKinetics, Inc. · 1980
- Heat removal system for fireplaces13US 6,019,099 AHeat-N-Glo Fireplace Products, Inc. · 2000