F27D 2015/0253
Gradin grates
Official title: {Gradin grates}
F27D2015/0253 (Gradin grates) appears on 7 US grants and 1 published applications in this corpus.
Search patents in F27D- Granted patents
- 7
- Published applications
- 1
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 15 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for processing slag occurring in a combustion chamber of a refuse incineration plant15 Jan 2019US 10,180,254 B2Hitachi Zosen Inova AG
- Side edge assembly for a cooling grate25 May 1999US 5,906,194 A
- Flexible air supply connection in a grate cooler17 Dec 1996US 5,584,686 AF. L. Smidth & Co.
- Device for heat treatment of bulk materials30 May 1995US 5,419,698 AKloeckner-Humboldt-Deutz AG
- Method and apparatus for cooling fired bulk material14 Jul 1992US 5,129,820 AKrupp Polysius AG
Most cited
By later US patents
- Method and apparatus for cooling fired bulk material8US 5,129,820 AKrupp Polysius AG · 1992
- Grid cooler, particularly feed step grid cooler5US 4,147,503 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1979
- Flexible air supply connection in a grate cooler4US 5,584,686 AF. L. Smidth & Co. · 1996
- Method and device for processing slag occurring in a combustion chamber of a refuse incineration plant3US 10,180,254 B2Hitachi Zosen Inova AG · 2019
- Side edge assembly for a cooling grate2US 5,906,194 A1999