F23K 3/06
Feeding or distributing of lump or pulverulent fuel to combustion apparatus: for
Official title: for shaft-type furnaces
F23K3/06 (Feeding or distributing of lump or pulverulent fuel to combustion apparatus: for) appears on 10 US grants and 5 published applications in this corpus.
Search patents in F23K- Granted patents
- 10
- Published applications
- 5
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Particle heating landscape furnace29 Jul 2025US 12,372,236 B2Haohong Electric Technology (Hubei) Co., Ltd.
- Feed mixture distribution device14 Jul 2020US 10,710,035 B1Outotec (Finland) Oy
- Start-up torch21 Feb 2017US 9,574,770 B2Alter NRG Corp.
- Solids distributor for injection plants, blast furnaces and the like8 Jan 2013US 8,348,556 B2Claudius Peters Projects GmbH
- Combustion system30 Oct 2001US 6,308,701 B1
- Particle heating landscape furnace3 Aug 2023US 2023/0243501 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Feed mixture distribution device25 Jun 2020US 2020/0197885 A1Outotec (Finland) Oy
- Start-up torch19 Jan 2017US 2017/0016619 A1Alter NRG Corp.
- Start-up torch17 Oct 2013US 2013/0273480 A1Alter NRG Corp.
- Solids distributor for injection plants, blast furnaces and the like16 Dec 2010US 2010/0316472 A1Claudius Peters Technologies GmbH
Most cited
By later US patents
- Solids distributor for injection plants, blast furnaces and the like12US 8,348,556 B2Claudius Peters Projects GmbH · 2013
- Combustion system11US 6,067,979 A2000
- Method of feeding solid particles from a zone of low pressure to a zone of high pressure7US 5,706,742 A1998
- Feed distributor for multiple hearth furnace2US 4,442,782 ALurgi GmbH · 1984
- Apparatus for controlling hydraulic jacks mounted on a rotary hopper2US 4,893,735 APaul Wurth S. A. · 1990