B01D 9/0022
By reducing pressure
Official title: {by reducing pressure}
B01D9/0022 (By reducing pressure) appears on 99 US grants and 92 published applications in this corpus.
Search patents in B01D- Granted patents
- 99
- Published applications
- 92
- Assignees
- 100
- Inventors
- 343
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 0 | 0 |
| 2011 | 4 | 7 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 5 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 4 |
| 2017 | 2 | 7 |
| 2018 | 4 | 2 |
| 2019 | 7 | 6 |
| 2020 | 10 | 8 |
| 2021 | 3 | 8 |
| 2022 | 3 | 7 |
| 2023 | 6 | 10 |
| 2024 | 4 | 11 |
| 2025 | 5 | 1 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lithium carbonate production process and apparatus30 Jun 2026US 12,668,497 B2U. S. Borax Inc.
- Crystallization of cannabinoids16 Jun 2026US 12,655,119 B2Chemtor, LP
- Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid26 May 2026US 12,636,593 B2Nemaska Lithium Inc.
- Systems and methods for capturing carbon dioxide and regenerating a capture solution28 Apr 2026US 12,611,629 B2Carbon Engineering ULC
- Methods for recovering organic acids or salts or lactones thereof from aqueous solutions using water solvent crystallization and compositions thereof23 Dec 2025US 12,503,421 B2Danisco US Inc.
- Systems for treating aqueous compositions comprising lithium sulfate and sulfuric acid3 Sep 2026US 2026/0257146 A1Nemaska Lithium Inc.
- Systems and methods for capturing carbon dioxide and regenerating a capture solution5 Feb 2026US 2026/0034500 A1Carbon Engineering ULC
- Method and system for purification of feed liquid15 Jan 2026US 2026/0015256 A1Oy Infraconsulting AB Ltd
- Method for manufacturing molybdenum oxychloride and manufacturing apparatus thereof15 May 2025US 2025/0154021 A1LAKE MATERIALS Co., Ltd
- Process for the recovery of monopotassium glucarate and glucaric acid28 Nov 2024US 2024/0391861 A1Alliance for Sustainable Energy, LLC
Most cited
By later US patents
- Apparatus and method for energy production and mineral recovery from geothermal and geopressured fluids49US 4,370,858 ABechtel International Corporation · 1983
- Electrohydraulic and shear cavitation radial counterflow liquid processor21US 8,771,499 B2McCutchen Co. · 2014
- Vacuum freezing ambient pressure melting (VFAPM) process and sub-triple point vapor processing unit for use therein19US 4,810,274 A1989
- Process for treating geothermal brine in two phase brine separators16US 4,776,961 AUnion Oil Company of California · 1988
- Method for removing dissolved solids from aqueous waste streams15US 8,052,763 B2Hpd, LLC · 2011