F23H 9/02
Revolving cylindrical grates
F23H9/02 (Revolving cylindrical grates) appears on 12 US grants and 13 published applications in this corpus.
Search patents in F23H- Granted patents
- 12
- Published applications
- 13
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 4 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Biomass heating system with optimized flue gas treatment25 Jul 2023US 11,708,999 B2Sl-Technik GmbH
- Rotating grate with a cleaning device for a biomass heating system25 Apr 2023US 11,635,231 B2Sl-Technik GmbH
- Firing product feed device for furnaces with capacities less than 1 kW9 Dec 2014US 8,904,944 B2Stuv S.A.
- Apparatus for combustion of biofuels3 Jul 2012US 8,210,110 B2Hestia Heating Products, Inc.
- Method and roller grill for burning refuse16 Nov 1999US 5,983,811 ADeutsche Babcock Anlagen Aktiengesellschaft
- Fixed bed gasifier with rollers12 Jun 2025US 2025/0186958 A1
- Biomass heating system, as well as its components27 Oct 2022US 2022/0341625 A1Sl-Technik GmbH
- Rotating grate with a cleaning device for a biomass heating system20 Oct 2022US 2022/0333770 A1Sl-Technik GmbH
- Biomass heating system with optimized flue gas treatment20 Oct 2022US 2022/0333817 A1Sl-Technik GmbH
- Method for commissioning a biomass heating system20 Oct 2022US 2022/0333822 A1Sl-Technik GmbH
Most cited
By later US patents
- Apparatus for combustion of biofuels8US 8,210,110 B2Hestia Heating Products, Inc. · 2012
- Grate bar and grate tumbler for the tumbler grate of, e.g., a trash incineration installation or the like4US 4,610,209 AMullverbrennungsanlage Wuppertal GmbH · 1986
- Water cooled rolling grate incinerator4US 5,042,401 AWestinghouse Electric Corp. · 1991
- Grate of incinerator3US 4,537,139 ADeutsche Babcock Anlagen Aktiengesellschaft · 1985
- Furnace grate roller namely for incinerating refuse with a tubular casing formed by rings of bars separated by blow gaps of set width3US 5,057,011 AFours Picard · 1991