F23C 2202/40
Inducing local whirls around flame
F23C2202/40 (Inducing local whirls around flame) appears on 76 US grants and 28 published applications in this corpus.
Search patents in F23C- Granted patents
- 76
- Published applications
- 28
- Assignees
- 52
- Inventors
- 183
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 1 |
| 2003 | 1 | 3 |
| 2004 | 5 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Burner with a moveable air flow diverter30 Sep 2025US 12,429,215 B2Messer Industries USA, Inc.
- Cylindrical burner apparatus and method24 Dec 2024US 12,173,893 B2Gastech Engineering LLC
- Cylindrical burner apparatus and method5 Dec 2023US 11,835,228 B2Gastech Engineering LLC
- Low NOxburner apparatus and method7 Jun 2022US 11,353,212 B2Zeeco, Inc.
- Burner arrangement for heater3 Nov 2020US 10,823,397 B2Webasto SE
- Burner, furnace and method of generating a flame18 Dec 2025US 2025/0383079 A1Messer Industries USA, Inc.
- Cylindrical burner apparatus and method5 May 2022US 2022/0136693 A1Gastech Engineering LLC
- Cylindrical burner apparatus and method5 May 2022US 2022/0136694 A1Gastech Engineering LLC
- Cylindrical burner apparatus and method13 Jan 2022US 2022/0010957 A1Gastech Engineering LLC
- Burner, furnace and method of generating a flame6 Jan 2022US 2022/0003407 A1Messer Industries USA, Inc.
Most cited
By later US patents
- Low NOx burner apparatus and method106US 6,499,990 B1Zeeco, Inc. · 2002
- Large scale vortex devices for improved burner operation99US 6,752,620 B2Air Products and Chemicals, Inc. · 2004
- Method of burning a premixed gas in a combustor cap78US 5,325,660 AHitachi, Ltd. · 1994
- Oxy/oil swirl burner78US 5,944,507 AThe BOC Group, Inc. · 1999
- Oxygen aspirator burner for firing a furnace76US 4,541,796 AUnion Carbide Corporation · 1985