B01D 53/77
Liquid phase processes
B01D53/77 (Liquid phase processes) appears on 1,502 US grants and 2,223 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,502
- Published applications
- 2,223
- Assignees
- 1,049
- Inventors
- 4,519
- 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 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 5 |
| 2002 | 7 | 5 |
| 2003 | 13 | 11 |
| 2004 | 7 | 22 |
| 2005 | 8 | 19 |
| 2006 | 10 | 18 |
| 2007 | 9 | 23 |
| 2008 | 10 | 49 |
| 2009 | 19 | 56 |
| 2010 | 40 | 111 |
| 2011 | 52 | 92 |
| 2012 | 48 | 56 |
| 2013 | 58 | 63 |
| 2014 | 63 | 63 |
| 2015 | 56 | 110 |
| 2016 | 65 | 102 |
| 2017 | 71 | 101 |
| 2018 | 90 | 106 |
| 2019 | 102 | 127 |
| 2020 | 108 | 122 |
| 2021 | 112 | 133 |
| 2022 | 111 | 122 |
| 2023 | 80 | 169 |
| 2024 | 108 | 173 |
| 2025 | 109 | 223 |
| 2026 | 60 | 142 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- System and method of treatment of gas contaminated with hydrogen sulfide and the reduction of hydrogen sulfide associated odor29 Sep 2026US 12,746,506 B2Streamline Innovations Inc
- Portable carbon capture system15 Sep 2026US 12,736,002 B2Qatar University
- Once through CO2 absorber with integrated ammonia slip mitigation and intercooling1 Sep 2026US 12,722,115 B2Nuovo Pignone Tecnologie Srl
- Absorbent for Capturing Carbon Dioxide8 Oct 2026US 2026/0307000 A1Panasia Co., Ltd.
- High-efficiency carbonation reaction system and method for capturing carbon dioxide from flue gas continuously1 Oct 2026US 2026/0295508 A1National Atomic Research Institute
- 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
Most cited
By later US patents
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Flue gas control system of coal combustion boiler and operating method thereof122US 8,071,060 B2Mitsubishi Heavy Industries, Ltd. · 2011
- Electrical power generation apparatus104US 8,196,387 B2Praxair Technology, Inc. · 2012
- Rocks and aggregate, and methods of making and using the same102US 7,914,685 B2Calera Corporation · 2011