F23L 99/00
Subject matter not provided for in other groups of this subclass
F23L99/00 (Subject matter not provided for in other groups of this subclass) appears on 4 US grants and 8 published applications in this corpus.
Search patents in F23L- Granted patents
- 4
- Published applications
- 8
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fractal flow distribution system30 May 2023US 11,660,577 B2Commonwealth Scientific and Industrial Research Organisation
- Filter device and water heater31 Aug 2021US 11,103,818 B2Purpose Co., Ltd.
- Forced air supply type of combustion apparatus4 Jun 2019US 10,309,686 B2Rinnai Corporation
- Rotated multi-cylinder air delivery port3 Feb 1998US 5,713,291 AThe Babcock & Wilcox Company
- Burning apparatus having bulk material layer to reduce particulate matter16 Jan 2025US 2025/0020326 A9
- Burning apparatus having bulk material layer to reduce particulate matter12 Sep 2024US 2024/0302047 A1
- Wind-assisted air supply to coal-fired power plants7 Mar 2024US 2024/0077202 A9
- Flow distribution system28 Jul 2022US 2022/0234013 A1Commonwealth Scientific and Industrial Research Organisation
- Air preheater and method of decomposing and removing ammonium bisulfate from a regenerative heating element of that air preheater18 Mar 2021US 2021/0080104 A1University of Kentucky Research Foundation
Most cited
By later US patents