F23M 11/02
Preventing emission of flames or hot gases, or admission of air, through
Official title: Preventing emission of flames or hot gases, or admission of air, through working or charging apertures
F23M11/02 (Preventing emission of flames or hot gases, or admission of air, through) appears on 53 US grants and 25 published applications in this corpus.
Search patents in F23M- Granted patents
- 53
- Published applications
- 25
- Assignees
- 34
- Inventors
- 107
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 5 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Particle heating landscape furnace29 Jul 2025US 12,372,236 B2Haohong Electric Technology (Hubei) Co., Ltd.
- Dynamic sealing structure and rotary kiln apparatus21 Jan 2025US 12,203,704 B2Henan Longcheng Coal High Efficiency Technology Application Co., Ltd.
- Draft inducer21 Mar 2023US 11,608,982 B1
- Compound engine assembly with confined fire zone6 Aug 2019US 10,371,060 B2Pratt & Whitney Canada Corp.
- Oven appliance and a flame arrester for an oven appliance9 May 2017US 9,643,037 B2Haier US Appliance Solutions, Inc.
- Gas furnace with flame arrestor7 Aug 2025US 2025/0249300 A1Daikin Comfort Technologies Manufacturing, L.P.
- A gasket arrangement for a protruding bar of a boiler and a method of operating the gasket arrangement30 Jan 2025US 2025/0034808 A1Andritz Inc.
- Particle heating landscape furnace3 Aug 2023US 2023/0243501 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Henan longcheng coal high efficiency technology application co., ltd.2 Feb 2023US 2023/0033720 A1Henan Longheng Coal High Efficiency Technology Application Co., Ltd.
- Compound engine assembly with confined fire zone25 Aug 2016US 2016/0245185 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Stove construction50US 4,373,507 AJamestown Group · 1983
- Water heater with flame spill-out prevention arrangement44US 4,924,816 AMor-Flo Industries, Inc. · 1990
- Adaptive powertrain braking control with grade, mass, and brake temperature41US 6,625,535 B2General Motors Corporation · 2003
- System and methods for controlling a water heater35US 7,290,502 B2Emerson Electric Co. · 2007
- Wood burning stove31US 4,330,503 ACorning Glass Works · 1982