F23C 3/008
For pulverulent fuel
Official title: {for pulverulent fuel}
F23C3/008 (For pulverulent fuel) appears on 68 US grants and 26 published applications in this corpus.
Search patents in F23C- Granted patents
- 68
- Published applications
- 26
- Assignees
- 56
- Inventors
- 199
- Latest grant
- 8 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 5 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Supercritical CO2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system8 Nov 2022US 11,493,202 B2Huazhong University of Science and Technology
- Powdered metal component19 Feb 2019US 10,211,465 B2Plansee SE
- Process and apparatus for making a mineral melt7 Aug 2018US 10,040,712 B2Rockwool International A/S
- Flexible gas pipe ignitor19 Sep 2017US 9,765,967 B2General Electric Technology GmbH
- Precombustor system and method for combustion for biomass20 Jun 2017US 9,683,736 B2Air Products and Chemicals, Inc.
- Supercritical co2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system24 Mar 2022US 2022/0090782 A1Huazhong University of Science and Technology
- Solid Fuel Burner20 Feb 2020US 2020/0056780 A1Mitsubishi Hitachi Power Systems, Ltd.
- Method and apparatus for the improved combustion of biomass fuels7 Jun 2018US 2018/0156453 A1
- Process and apparatus for making a mineral melt9 Nov 2017US 2017/0321885 A1Rockwool International A/S
- Powdered metal component21 Jul 2016US 2016/0211531 A1Plansee SE
Most cited
By later US patents
- Sulfur removal by sorbent injection in secondary combustion zones96US 4,873,930 ATRW Inc. · 1989
- Method of optimizing combustion and the capture of pollutants during coal combustion in a cyclone combustor49US 4,765,258 ACoal Tech Corp. · 1988
- Method for in-flight combustion of carbonaceous fuels34US 4,217,132 ATRW Inc. · 1980
- Method and apparatus for in-flight combustion of carbonaceous fuels31US 4,586,443 ATRW Inc. · 1986
- Slagging combustion system31US 4,685,404 ATRW Inc. · 1987