B01D 2247/105
By gas flow reversal
Official title: by gas flow reversal
B01D2247/105 (By gas flow reversal) appears on 22 US grants and 22 published applications in this corpus.
Search patents in B01D- Granted patents
- 22
- Published applications
- 22
- Assignees
- 15
- Inventors
- 58
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 5 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 5 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wet scrubber apparatus12 Sep 2023US 11,752,465 B2Schubert Environmental Equipment, Inc.
- Device for bringing a gas stream and a liquid stream into contact23 May 2023US 11,654,391 B2Starklab
- Methods and compositions for scrubbing chlorine-containing gases8 Mar 2022US 11,266,950 B2Chemtreat, Inc.
- System and method for producing mold-resistant paper with wet scrubber assembly9 Feb 2021US 10,913,087 B2United States Gypsum Company
- Clean-air filtration system and method of operating the clean-air filtration system26 Jan 2021US 10,898,844 B2
- Device for bringing a gas stream and a liquid stream into contact7 Oct 2021US 2021/0308614 A1Starklab
- Methods and compositions for scrubbing chlorine-containing gases19 Aug 2021US 2021/0252455 A1Chemtreat, Inc.
- Apparatus for nitrogen oxides removal by oxidation with ozone and scrubbing or absorbing the reaction products13 Dec 2018US 2018/0353901 A1
- Complex malodor removing equipment1 Nov 2018US 2018/0311606 A1
- Clean-air filtration system and method of operating the clean-air filtration system25 Oct 2018US 2018/0304189 A1
Most cited
By later US patents
- Marine exhaust gas cleaning system44US 9,914,094 B2Marine Exhaust Solutions Inc. · 2018
- Gasification reactor with internal gas baffling and liquid collector36US 4,778,483 ATexaco Inc. · 1988
- Method of cleaning gas from solid and gaseous matter and apparatus materializing same25US 4,957,512 A1990
- Apparatus and method for extracting heat from contaminated waste steam23US 6,019,819 AAlpha Engineers, Inc. · 2000
- Wet type dust collector for air purifying4US 9,149,755 B22015