F23H 5/00
Double grates
F23H5/00 (Double grates) appears on 7 US grants and 3 published applications in this corpus.
Search patents in F23H- Granted patents
- 7
- Published applications
- 3
- Assignees
- 7
- Inventors
- 12
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Combi stove and use of a combi stove13 Jul 2021US 11,060,733 B2Aduro A/S
- Combustion grate for a pellet stove22 Jun 2021US 11,041,627 B1Sun Mountain Stove Works Inc.
- Method and device for the regulated feed of pulverized fuel to an entrained flow gasifier27 Oct 2009US 7,607,398 B2Siemens Aktiengesellschaft
- Grille for burning solid fuels in stoves, hearths, ovens, and others4 Sep 1984US 4,469,085 AV.F.M. Verkoop en Fabrikatie van Metaalprodukten Naamloze Vennootscap
- Solid fuel warm air furnace21 Aug 1984US 4,466,358 A
Most cited
By later US patents
- Solid fuel warm air furnace12US 4,466,358 A1984
- Solid fuel warm air furnace10US 4,409,955 A1983
- Method and device for the regulated feed of pulverized fuel to an entrained flow gasifier6US 7,607,398 B2Siemens Aktiengesellschaft · 2009
- Dual grate for burning wood and coal3US 4,319,555 A1982
- Combustion grate for a pellet stove2US 11,041,627 B1Sun Mountain Stove Works Inc. · 2021