F23L 2900/15041
Preheating combustion air by recuperating heat from ashes
F23L2900/15041 (Preheating combustion air by recuperating heat from ashes) appears on 9 US grants and 11 published applications in this corpus.
Search patents in F23L- Granted patents
- 9
- Published applications
- 11
- Assignees
- 12
- Inventors
- 20
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Cooler for cooling bulk material, in particular cement clinker20 May 2025US 12,305,922 B2Dyckerhoff AG
- Steam soot blowing device, rotary air preheater and steam jet parameter design method30 Jan 2024US 11,885,492 B2Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Rotary air preheater27 Dec 2022US 11,536,451 B2Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Portable combustion/pyrolization system with first and second air sources6 Jul 2021US 11,054,134 B2Tigercat Industries Inc.
- Method for cooling solid residues of a combustion process29 Jan 2019US 10,190,770 B2Hitachi Zosen Inova AG
- Cooler for cooling bulk material, in particular cement clinker27 Apr 2023US 2023/0128260 A1Thyssenkrupp Industrial Solutions AG
- Steam soot blowing device, rotary air preheater and steam jet parameter design method10 Nov 2022US 2022/0357035 A1Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Rotary air preheater25 Aug 2022US 2022/0268440 A1Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Portable combustion/pyrolization system with first and second air sources21 Oct 2021US 2021/0325037 A1Tigercat Industries Inc.
- Portable combustion/pyrolization system with first and second air sources17 Oct 2019US 2019/0316772 A1Ragnar Original Innovation, Inc.
Most cited
By later US patents
- Extractor/cooler of loose materials through the use of conveyor belt equipped with bored and winged plates6US 7,146,915 B2Magaldi Ricerche e Brevetti S.r.l. · 2006
- Furnace5US 6,745,705 B1Steag Encotech GmbH · 2004
- Air and water conveyor/cooler for hot loose materials3US 7,311,049 B2Magaldi Ricerche e Brevetti S.r.l. · 2007
- Portable combustion/pyrolization system with first and second air sources1US 11,054,134 B2Tigercat Industries Inc. · 2021