F23D 2900/01001
Pulverised solid fuel burner with means for swirling the fuel-air mixture
F23D2900/01001 (Pulverised solid fuel burner with means for swirling the fuel-air mixture) appears on 26 US grants and 31 published applications in this corpus.
Search patents in F23D- Granted patents
- 26
- Published applications
- 31
- Assignees
- 27
- Inventors
- 91
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 6 |
| 2004 | 4 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 3 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Distribution ring for fuel in a burner, burner having such a distribution ring and drying drum having such a burner31 Mar 2026US 12,590,697 B2Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Venturi device with forced induction systems and methods1 Jul 2025US 12,343,691 B2Zero Nox, Inc.
- Reverse-jet swirl pulverized coal burner with multi-stage recirculations15 Oct 2024US 12,117,168 B2Tsinghua University
- Combustible waste injection device and method for operating the same23 Aug 2022US 11,421,871 B2Taiheiyo Cement Corporation
- Burner for the combustion of particulate fuel14 Jun 2022US 11,359,808 B2Metso Minerals, Inc.
- Iron fuel combustion arrangement11 Jun 2026US 2026/0160416 A1Renewable Iron Fuel Technology B.V.
- Powder fuel burner28 Aug 2025US 2025/0271135 A1Kawasaki Jukogyo Kabushiki Kaisha
- Venturi device with forced induction systems and methods24 Oct 2024US 2024/0350989 A1Zero Nox, Inc.
- Distribution ring for fuel in a burner, burner having such a distribution ring and drying drum having such a burner20 Jul 2023US 2023/0228413 A1Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Swirl-pintle injector for oxy-coal combustor3 Nov 2022US 2022/0349572 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- NOx reduction in combustion with concentrated coal streams and oxygen injection26US 6,699,031 B2Praxair Technology, Inc. · 2004
- Enhancing SNCR-aided combustion with oxygen addition23US 6,702,569 B2Praxair Technology, Inc. · 2004
- Coal gasification feed injector shield with oxidation-resistant insert23US 6,892,654 B2Eastman Chemical Company · 2005
- Means for providing oxygen enrichment for slurry and liquid fuel burners19US 4,899,670 AAir Products and Chemicals, Inc. · 1990
- Flame retaining nozzle tip16US 5,392,720 ARiley Stoker Corporation · 1995