B01F 23/23211
The liquid flowing in a thin film to absorb the gas
Official title: {the liquid flowing in a thin film to absorb the gas}
B01F23/23211 (The liquid flowing in a thin film to absorb the gas) appears on 35 US grants and 23 published applications in this corpus.
Search patents in B01F- Granted patents
- 35
- Published applications
- 23
- Assignees
- 18
- Inventors
- 55
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 5 |
| 2015 | 3 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Gas-liquid contact apparatus19 Apr 2022US 11,305,244 B2IHI Corporation
- Packing, method for manufacturing same, and liquid film-forming structure26 Oct 2021US 11,154,809 B2IHI Corporation
- Inner surface features for co-current contractors21 Jul 2020US 10,717,039 B2ExxonMobil Upstream Research Company
- Tray assembly for gas/liquid contact tower19 Dec 2017US 9,844,738 B1AMT International, Inc.
- Flow directors17 Jan 2017US 9,546,822 B2
- Gas-liquid contact apparatus4 Feb 2021US 2021/0031154 A1IHI Corporation
- Packing, method for manufacturing same, and liquid film-forming structure12 Nov 2020US 2020/0353405 A1IHI Corporation
- Tray assembly for gas/liquid contact tower21 Dec 2017US 2017/0361242 A1AMT International, Inc.
- Inner Surface Features for Co-Current Contactors18 Aug 2016US 2016/0236140 A1ExxonMobil Upstream Research Company
- Fluid contactor-diffuser tray assembly11 Aug 2016US 2016/0228788 A1GTC Technology US LLC
Most cited
By later US patents
- Aqueous ozone solution for ozone cleaning system45US 8,071,526 B2Food Safety Technology, LLC · 2011
- Froth flotation apparatus44US 5,078,921 AThe Deister Concentrator Company, Inc. · 1992
- Method and apparatus for interaction of gas and liquid43US 4,065,527 A1977
- Reaction vessel for an ozone cleaning system42US 8,075,705 B2Food Safety Technology, LLC · 2011
- Apparatus for manufacturing carbonated water39US 5,955,009 ASanyo Electric Co., Ltd. · 1999