F23D 1/00
Burners for combustion of pulverulent fuel
F23D1/00 (Burners for combustion of pulverulent fuel) appears on 608 US grants and 451 published applications in this corpus.
Search patents in F23D- Granted patents
- 608
- Published applications
- 451
- Assignees
- 297
- Inventors
- 1,383
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 12 | 0 |
| 1982 | 9 | 0 |
| 1983 | 17 | 0 |
| 1984 | 16 | 0 |
| 1985 | 22 | 0 |
| 1986 | 23 | 0 |
| 1987 | 15 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 21 | 0 |
| 2001 | 13 | 2 |
| 2002 | 10 | 7 |
| 2003 | 3 | 10 |
| 2004 | 12 | 16 |
| 2005 | 11 | 15 |
| 2006 | 7 | 8 |
| 2007 | 7 | 16 |
| 2008 | 5 | 24 |
| 2009 | 7 | 21 |
| 2010 | 6 | 34 |
| 2011 | 10 | 29 |
| 2012 | 12 | 36 |
| 2013 | 20 | 32 |
| 2014 | 23 | 37 |
| 2015 | 27 | 27 |
| 2016 | 17 | 22 |
| 2017 | 24 | 15 |
| 2018 | 18 | 17 |
| 2019 | 19 | 7 |
| 2020 | 16 | 11 |
| 2021 | 8 | 11 |
| 2022 | 14 | 11 |
| 2023 | 7 | 14 |
| 2024 | 7 | 11 |
| 2025 | 8 | 10 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nozzle tip for a solid fuel burner8 Sep 2026US 12,729,849 B2General Electric Technology GmbH
- Cement kiln burner and method for operating same11 Aug 2026US 12,704,252 B2Taiheiyo Cement Corporation
- Combustion device and boiler2 Jun 2026US 12,644,597 B2IHI 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
- Feeding and Mixing Device20 Aug 2026US 2026/0241356 A1Orion Engineered Carbons IP GmbH & Co. KG
- Burner16 Jul 2026US 2026/0202052 A1Taiheiyo Engineering Inc.
- Ammonia preheating flow-controllable low-nitrogen ammonia-coal co-firing burner25 Jun 2026US 2026/0177236 A1China Datang Corporation Science and Technology General Research Institute
- Iron fuel combustion arrangement11 Jun 2026US 2026/0160416 A1Renewable Iron Fuel Technology B.V.
- Ignition, burning stabilization, and energy conservation integrated warm nuclear fusion and pulverized coal combined burning system4 Jun 2026US 2026/0153234 A1Leading Guochuang (Beijing) Technology Group Co., LTD
Most cited
By later US patents
- Method for reducing the flame temperature of a burner and burner intended therefor164US 5,104,310 AAGA Aktiebolag · 1992
- Combustion method and apparatus for producing a carbon dioxide end product164US 6,202,574 B1ABB Alstom Power Inc. · 2001
- Oxy-fuel burner having coaxial fuel and oxidant outlets123US 5,743,723 AAmerican Air Liquide, Inc. · 1998
- Combustion optimization with inferential sensor78US 6,622,645 B2Honeywell International Inc. · 2003
- Pulverized coal burner for furnace and operating method75US 4,147,116 ACoal Tech Corp. · 1979