B01D 53/1412
Controlling the absorption process
Official title: {Controlling the absorption process}
B01D53/1412 (Controlling the absorption process) appears on 303 US grants and 392 published applications in this corpus.
Search patents in B01D- Granted patents
- 303
- Published applications
- 392
- Assignees
- 209
- Inventors
- 900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 6 |
| 2004 | 5 | 3 |
| 2005 | 3 | 1 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 4 |
| 2011 | 0 | 6 |
| 2012 | 0 | 9 |
| 2013 | 5 | 14 |
| 2014 | 11 | 19 |
| 2015 | 8 | 14 |
| 2016 | 16 | 23 |
| 2017 | 15 | 18 |
| 2018 | 26 | 25 |
| 2019 | 20 | 17 |
| 2020 | 24 | 27 |
| 2021 | 18 | 24 |
| 2022 | 16 | 20 |
| 2023 | 15 | 34 |
| 2024 | 20 | 25 |
| 2025 | 19 | 49 |
| 2026 | 13 | 46 |
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.
- Multi-stage liquid desiccant dehumidification systems and methods25 Aug 2026US 12,716,597 B2Copeland Corporation
- System and method for conditioning syngas and capturing carbon dioxide from conditioned syngas for production of power, chemicals, and other value added products11 Aug 2026US 12,702,950 B2Dastur Energy, Inc.
- Multi-stage ammonia-based decarbonization11 Aug 2026US 12,703,638 B2Jiangnan Environmental Protection Group Inc.
- Hybrid carbon dioxide removal systems4 Aug 2026US 12,697,582 B2AirMyne, Inc.
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method Of Abating Carbon Dioxide And Hydrogen Sulfide1 Oct 2026US 2026/0295509 A1Barnard College
- Melamine process with urea melt-based washing of melamine offgas1 Oct 2026US 2026/0297039 A1Casale SA
- Method for immobilizing carbon dioxide24 Sep 2026US 2026/0284576 A1Honda Motor Co., Ltd.
- Carbon dioxide absorbent and carbon dioxide separation device24 Sep 2026US 2026/0284584 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- CO.sub.2 Removal from high CO.sub.2 content hydrocarbon containing streams96US 4,466,946 AStandard Oil Company (Indiana) · 1984
- Method and apparatus for controlling liquid droplet size and quantity in a stream of gas75US 6,484,507 B12002
- CO2 recovery apparatus and CO2 recovery method75US 8,414,694 B2Mitsubishi Heavy Industries, Ltd. · 2013
- CO.sub.2 removal from high CO.sub.2 content hydrocarbon containing streams46US 4,529,411 AThe Standard Oil Company · 1985
- Amount-of-seawater control device for scrubber, amount-of-seawater control method for scrubber, and amount-of-alkali control device39US 10,099,175 B2Fuji Electric Co., Ltd. · 2018