F23H 13/00
Grates not covered by any of groups f23h1/00-f23h11/00
Official title: Grates not covered by any of groups F23H1/00-F23H11/00
F23H13/00 (Grates not covered by any of groups f23h1/00-f23h11/00) appears on 43 US grants and 28 published applications in this corpus.
Search patents in F23H- Granted patents
- 43
- Published applications
- 28
- Assignees
- 19
- Inventors
- 72
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 3 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Downward mobile gasification boiler for surface gas phase combustion and pyrolysis of biomass briquette11 Nov 2025US 12,467,620 B2Heilongjiang Zhongtan Jiahe Biomass Technology Research and Development Co.
- Firebox basket for barbecue grill or smoker16 Sep 2025US 12,416,412 B2Masterbuilt Manufacturing, Inc.
- Outdoor heating devices and methods of use14 May 2024US 11,982,468 B2
- 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
- Fixed bed gasifier with rollers12 Jun 2025US 2025/0186958 A1
- Burning apparatus having bulk material layer to reduce particulate matter16 Jan 2025US 2025/0020326 A9
- Burning apparatus having bulk material layer to reduce particulate matter12 Sep 2024US 2024/0302047 A1
- Outdoor Heating Devices and Methods of Use16 May 2024US 2024/0159429 A1
- Downward mobile gasification boiler for surface gas phase combustion and pyrolysis of biomass briquette15 Jun 2023US 2023/0184424 A1Heilongjiang Zhongtan Jiahe Biomass Te Chnology Research and Development Co.
Most cited
By later US patents
- Solid fuel burning furnace19US 4,384,535 A1983
- Low mass flow waste fuel incinerator16US 4,270,467 AEnertherm, Inc. · 1981
- Grate for burning newspapers16US 4,305,375 A1981
- Apparatus for destructive distillation of cellulosic materials15US 4,233,024 A1980
- Removable flame heat regulating apparatus including an inner hollow shell and an outer wall for a burner of a gas stove15US 7,708,006 B22010