D21C 11/127
With post-combustion of the gases
Official title: {with post-combustion of the gases}
D21C11/127 (With post-combustion of the gases) appears on 14 US grants and 11 published applications in this corpus.
Search patents in D21C- Granted patents
- 14
- Published applications
- 11
- Assignees
- 13
- Inventors
- 43
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 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 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anaerobic digestion system4 Jul 2023US 11,691,903 B2
- Method and apparatus for burning odor gas1 Nov 2022US 11,486,090 B2Valmet Technologies Oy
- Recover of inorganic chemicals of the pulp and paper making processes using microwaves and related techniques7 Sep 2021US 11,111,630 B2GreeNovel Inc.
- Anaerobic digestion system and method23 Apr 2019US 10,266,440 B2
- Method in the treatment of odorous gases of a chemical pulp mill14 Jul 2015US 9,080,286 B2Andritz Inc.
- Systems and techniques for controlling odor emissions from pulp mills21 Nov 2024US 2024/0384467 A1Ecolab USA Inc.
- Anaerobic digestion system and method26 May 2022US 2022/0162101 A1
- Method and apparatus for burning odor gas17 Jun 2021US 2021/0180250 A1Valmet Technologies Oy
- Anaerobic digestion system and method15 Apr 2021US 2021/0107818 A1
- Anaerobic digestion system and method5 Dec 2019US 2019/0367393 A1
Most cited
By later US patents
- Process for chemicals and energy recovery from waste liquors36US 4,808,264 A1989
- Method and arrangement for optimizing oxidation during burning of gaseous and liquid fuels11US 6,109,911 AKvaerner Pulping AB · 2000
- Anaerobic digestion system and method6US 10,266,440 B22019
- Process for the incineration of contaminated salt-bearing solutions5US 4,071,612 AFriedrich Uhde GmbH · 1978
- Method for controlling chloride concentration in the flue gas of a recovery boiler3US 5,989,387 ATampella Power Oy · 1999