F23H 3/04
Externally cooled
Official title: externally cooled, e.g. with water, steam or air
F23H3/04 (Externally cooled) appears on 4 US grants and 11 published applications in this corpus.
Search patents in F23H- Granted patents
- 4
- Published applications
- 11
- Assignees
- 7
- Inventors
- 13
- Latest grant
- 1 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Grate block for a combustion grate1 Sep 2020US 10,760,787 B2Hitachi Zosen Inova AG
- Grate block for a refuse incineration grate15 Nov 2005US 6,964,237 B2
- Method of cooling a grate for a furnace and grate for a furnace10 Apr 2001US 6,213,031 B1Asea Brown Boveri AG
- Grate bar element for a sliding grate furnace for garbage incineration31 Oct 1989US 4,876,972 A
- Grate block for a combustion grate6 Dec 2018US 2018/0347811 A1Hitachi Zosen Inova AG
- Fire grate for enhanced combustion17 Apr 2014US 2014/0102437 A1Earth's Flame, Inc.
- Grate bar21 Nov 2013US 2013/0306050 A1Seko-Patent GmbH
- Hydraulic drive for a sliding combustion grate16 May 2013US 2013/0118469 A1Doikos Investments Ltd.
- Fire grate for enhanced combustion2 Aug 2012US 2012/0192855 A1
Most cited
By later US patents