D21F 5/025
Using combustion gases
Official title: {using combustion gases}
D21F5/025 (Using combustion gases) appears on 6 US grants and 3 published applications in this corpus.
Search patents in D21F- Granted patents
- 6
- Published applications
- 3
- Assignees
- 3
- Inventors
- 12
- Latest grant
- 12 May 2009
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 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for heating a roller12 May 2009US 7,531,063 B2Voith Patent GmbH
- Machine and process for manufacturing or treating a material web8 Aug 2000US 6,098,309 AVoith Sulzer Papiertechnik Patent GmbH
- Roll11 Jan 1994US 5,277,690 AJ. M. Voith GmbH
- Roll11 May 1993US 5,208,955 AJ. M. Voith GmbH
- Methods and apparatus for the rapid consolidation of moist porous webs13 Apr 1982US 4,324,613 A
Most cited
By later US patents
- Methods and apparatus for the rapid consolidation of moist porous webs69US 4,324,613 A1982
- Apparatus for hot gas heat transfer particularly for paper drying19US 4,146,361 A1979
- Roll8US 5,208,955 AJ. M. Voith GmbH · 1993
- Machine and process for manufacturing or treating a material web6US 6,098,309 AVoith Sulzer Papiertechnik Patent GmbH · 2000
- Roll3US 5,277,690 AJ. M. Voith GmbH · 1994