F23D 2201/20
Fuel flow guiding devices
F23D2201/20 (Fuel flow guiding devices) appears on 103 US grants and 108 published applications in this corpus.
Search patents in F23D- Granted patents
- 103
- Published applications
- 108
- Assignees
- 63
- Inventors
- 302
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 10 |
| 2011 | 2 | 4 |
| 2012 | 2 | 6 |
| 2013 | 5 | 8 |
| 2014 | 2 | 6 |
| 2015 | 7 | 9 |
| 2016 | 3 | 7 |
| 2017 | 8 | 6 |
| 2018 | 4 | 8 |
| 2019 | 5 | 2 |
| 2020 | 9 | 5 |
| 2021 | 3 | 6 |
| 2022 | 10 | 3 |
| 2023 | 2 | 4 |
| 2024 | 4 | 3 |
| 2025 | 0 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement kiln burner and method for operating same11 Aug 2026US 12,704,252 B2Taiheiyo Cement Corporation
- Conical fuel particulate distributor for coal supply conduit19 May 2026US 12,631,329 B2SAS Global Corporation
- Two-channel burner and method of use therefor, and multi-channel single-cone burner and method of use therefor21 Apr 2026US 12,607,347 B2Beijing Tiandi Rongchuang Technology Co., Ltd
- Burner, system, and method for hydrogen-enhanced pulverized coal ignition3 Mar 2026US 12,565,990 B2Air Products and Chemicals, Inc.
- Regenerative burner for strongly reduced NOx emissions24 Dec 2024US 12,173,894 B2EBNER Industrieofenbau GmbH
- Burner16 Jul 2026US 2026/0202052 A1Taiheiyo Engineering Inc.
- Burner, System, and Method for Hydrogen-Enhanced Pulverized Coal Ignition23 Apr 2026US 2026/0110429 A1Air Products and Chemicals, Inc.
- Powder fuel burner18 Sep 2025US 2025/0290628 A1Kawasaki Jukogyo Kabushiki Kaisha
- Conical Fuel Particulate Distributor for Coal Supply Conduit10 Oct 2024US 2024/0337383 A1SAS Global Corporation
- Cement kiln burner and method for operating same14 Mar 2024US 2024/0085016 A1Taiheiyo Cement Corporation
Most cited
By later US patents
- Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal43US 5,231,937 ABabcock-Hitachi Kabushiki Kaisha · 1993
- Pulverized coal burner33US 5,937,770 ABabcock-Hitachi Kabushiki Kaisha · 1999
- Low NO.sub.x short flame burner with control of primary air/fuel ratio for NO.sub.x reduction26US 5,697,306 AThe Babcock & Wilcox Company · 1997
- Low emission U-fired boiler combustion system24US 6,058,855 AD. B. Riley, Inc. · 2000
- Three-stage low NOx burner for burning solid, liquid and gaseous fuels21US 5,823,764 AAnsaldo Energia S. P. A. · 1998