B01D 53/78
With gas-liquid contact
Official title: with gas-liquid contact
B01D53/78 (With gas-liquid contact) appears on 1,104 US grants and 1,713 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,104
- Published applications
- 1,713
- Assignees
- 820
- Inventors
- 3,498
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 2 |
| 2002 | 5 | 2 |
| 2003 | 7 | 6 |
| 2004 | 4 | 9 |
| 2005 | 6 | 8 |
| 2006 | 7 | 7 |
| 2007 | 2 | 10 |
| 2008 | 3 | 18 |
| 2009 | 5 | 15 |
| 2010 | 13 | 50 |
| 2011 | 20 | 38 |
| 2012 | 24 | 35 |
| 2013 | 24 | 42 |
| 2014 | 28 | 46 |
| 2015 | 37 | 82 |
| 2016 | 45 | 77 |
| 2017 | 51 | 85 |
| 2018 | 72 | 92 |
| 2019 | 80 | 108 |
| 2020 | 96 | 109 |
| 2021 | 98 | 122 |
| 2022 | 98 | 109 |
| 2023 | 72 | 155 |
| 2024 | 98 | 154 |
| 2025 | 104 | 199 |
| 2026 | 51 | 133 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Use of silica nanoparticles with triazine for H2S scavenging6 Oct 2026US 12,752,236 B2Nissan Chemical America Corporation
- Once through CO2 absorber with integrated ammonia slip mitigation and intercooling1 Sep 2026US 12,722,115 B2Nuovo Pignone Tecnologie Srl
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Carbon dioxide recovery system25 Aug 2026US 12,714,967 B2Mitsubishi Heavy Industries, Ltd.
- Acetylene process gas purification methods and system24 Sep 2026US 2026/0284566 A1Nippon Sanso Matheson, Inc.
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284579 A1Kabushiki Kaisha Toshiba
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284580 A1Kabushiki Kaisha Toshiba
- Conditioning wet sour gas via integrated desulfurization and dehydration24 Sep 2026US 2026/0284582 A1Merichem Technologies, LLC
- Hydrogen sulphide and mercaptan scavenging additive concentrate comprising an oxazolidine compound and an alkoxylated amine24 Sep 2026US 2026/0284585 A1TotalEnergies One Tech
Most cited
By later US patents
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Systems and methods for processing CO294US 8,137,444 B2Calera Corporation · 2012
- Pushable multi-fiber connector81US 9,383,539 B2Clearfield, Inc. · 2016
- Reducing mercury emissions from the burning of coal78US 7,507,083 B22009
- Method of removing mercury from a mercury-containing flue gas75US 6,214,304 B1L. & C. Steinmuller GmbH · 2001