D21C 11/103
Evaporation by direct contact with gases
Official title: {Evaporation by direct contact with gases, e.g. hot flue gases}
D21C11/103 (Evaporation by direct contact with gases) appears on 9 US grants and 1 published applications in this corpus.
Search patents in D21C- Granted patents
- 9
- Published applications
- 1
- Assignees
- 7
- Inventors
- 25
- Latest grant
- 31 Mar 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and arrangement for separating contaminants from liquids or vapors31 Mar 2015US 8,992,729 B2Andritz Inc.
- Method of treating condensates17 Apr 2001US 6,217,711 B1Andritz-Ahlstrom Inc.
- Process for integrated evaporation and gasification of spent liquor from cellulose cooking9 Feb 1999US 5,868,805 AKvaerner Pulping AB
- Reducing pulp mill liquid discharge10 Jan 1995US 5,380,402 AKamyr, Inc.
- Sulphur removal from gases associated with boilers having cascade evaporators1 Nov 1994US 5,360,513 AA. Ahlstrom Corporation
Most cited
By later US patents
- Method for treating black liquor17US 5,201,172 AA. Ahlstrom Corporation · 1993
- Reducing pulp mill liquid discharge11US 5,380,402 AKamyr, Inc. · 1995
- Method of treating condensates9US 6,217,711 B1Andritz-Ahlstrom Inc. · 2001
- Method for drying and burning viscous aqueous liquors which contain organics7US 4,363,698 ACombustion Engineering, Inc. · 1982
- System for drying and burning viscous aqueous liquors which contain organics5US 4,347,220 ACombustion Engineering, Inc. · 1982