F23H 7/02
Inclined or stepped grates: with fixed bars
Official title: with fixed bars
F23H7/02 (Inclined or stepped grates: with fixed bars) appears on 5 US grants and 6 published applications in this corpus.
Search patents in F23H- Granted patents
- 5
- Published applications
- 6
- Assignees
- 2
- Inventors
- 13
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Device to facilitate and maintain a fire30 May 2023US 11,662,091 B2
- Method and device for processing slag occurring in a combustion chamber of a refuse incineration plant15 Jan 2019US 10,180,254 B2Hitachi Zosen Inova AG
- Fossil-fuel power generation system assisted by waste incineration17 Apr 2018US 9,945,556 B2
- Water-cooled sliding combustion grate having a parallel drive13 Oct 2015US 9,157,632 B2Doikos Investments Ltd.
- Water-cooled oscillating grate system24 Apr 2001US 6,220,190 B1
- Device to facilitate and maintain a fire21 Apr 2022US 2022/0120436 A1
- Method and device for processing slag occurring in a combustion chamber of a refuse incineration plant14 Sep 2017US 2017/0261205 A1Hitachi Zosen Inova AG
- Fossil-fuel power generation system assisted by waste incineration24 Sep 2015US 2015/0267916 A1
- Water-cooled sliding combustion grate having a parallel drive16 May 2013US 2013/0118390 A1Doikos Investments Ltd.
- Grate clearing and ash removal system for gasification furnace4 Oct 2012US 2012/0247375 A1
Most cited
By later US patents
- Water-cooled oscillating grate system4US 6,220,190 B12001
- Method and device for processing slag occurring in a combustion chamber of a refuse incineration plant3US 10,180,254 B2Hitachi Zosen Inova AG · 2019
- Water-cooled sliding combustion grate having a parallel drive1US 9,157,632 B2Doikos Investments Ltd. · 2015