F23H 2900/03021
Liquid cooled grates
F23H2900/03021 (Liquid cooled grates) appears on 40 US grants and 13 published applications in this corpus.
Search patents in F23H- Granted patents
- 40
- Published applications
- 13
- Assignees
- 30
- Inventors
- 66
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-cooled grate block for an incinerator9 Jun 2026US 12,650,224 B2Kanadevia Inova AG
- Combustion chamber15 Nov 2022US 11,499,717 B2Zhejiang Liju Boiler Co., Ltd.
- Movable grate for a furnace18 Aug 2020US 10,746,401 B2Babcock & Wilcox Vølund A/S
- System and method for active cooling of a grate bar for an incinerator of a waste-to-energy plant4 Jun 2019US 10,309,648 B2General Electric Company
- Water-cooled sliding combustion grate having a parallel drive13 Oct 2015US 9,157,632 B2Doikos Investments Ltd.
- Water-cooled grate block for an incinerator19 Oct 2023US 2023/0332769 A1Hitachi Zosen Inova AG
- Movable grate for a furnace3 Oct 2019US 2019/0301734 A1Babcock & Wilcox Vølund A/S
- Combustion Chamber7 Feb 2019US 2019/0041062 A1Zhejiang Liju Boiler Co., Ltd.
- System and method for active cooling of a grate bar for an incinerator of a waste-to-energy plant24 May 2018US 2018/0142889 A1General Electric Technology GmbH
- Water-cooled sliding combustion grate having a parallel drive16 May 2013US 2013/0118390 A1Doikos Investments Ltd.
Most cited
By later US patents
- Melting furnace27US 5,107,517 AOy Partek AB · 1992
- Grates20US 4,389,978 AParkinson Cowan GWB Limited · 1983
- Water-cooled thrust combustion grate14US 6,024,031 ADoikos Investments Ltd. · 2000
- Grate for a firing system13US 5,724,898 AAsea Brown Boveri AG · 1998
- Incineration grate with internal cooling12US 5,913,274 AAsea Brown Boveri AG · 1999