B01D 9/0004
Cooling by heat exchange
Official title: {cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B)}
B01D9/0004 (Cooling by heat exchange) appears on 536 US grants and 501 published applications in this corpus.
Search patents in B01D- Granted patents
- 536
- Published applications
- 501
- Assignees
- 433
- Inventors
- 1,510
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 9 | 4 |
| 2003 | 5 | 11 |
| 2004 | 2 | 8 |
| 2005 | 5 | 12 |
| 2006 | 8 | 6 |
| 2007 | 6 | 3 |
| 2008 | 7 | 6 |
| 2009 | 3 | 18 |
| 2010 | 5 | 15 |
| 2011 | 8 | 14 |
| 2012 | 9 | 14 |
| 2013 | 9 | 14 |
| 2014 | 11 | 11 |
| 2015 | 9 | 19 |
| 2016 | 10 | 9 |
| 2017 | 11 | 31 |
| 2018 | 19 | 28 |
| 2019 | 31 | 41 |
| 2020 | 36 | 30 |
| 2021 | 27 | 36 |
| 2022 | 16 | 38 |
| 2023 | 19 | 39 |
| 2024 | 32 | 44 |
| 2025 | 17 | 30 |
| 2026 | 18 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- Method for purifying compound8 Sep 2026US 12,729,176 B2Nippon Shokubai Co., Ltd.
- Cannabidiol-dominant formulations, methods of manufacturing, and uses thereof18 Aug 2026US 12,708,633 B2Tilray Brands, Inc.
- Purification device18 Aug 2026US 12,709,593 B2Nippon Shokubai Co., Ltd.
- Enantio-specific crystallization system and method thereof28 Jul 2026US 12,691,390 B2Yeda Research and Development Co. Ltd.
- Particle size controlled crystallization of perchlorate salts using a continuous flow taylor-vortex reactor10 Sep 2026US 2026/0265054 A1Government of the United States as Represented by the Secretary of the Air Force
- Systems for treating aqueous compositions comprising lithium sulfate and sulfuric acid3 Sep 2026US 2026/0257146 A1Nemaska Lithium Inc.
- Systems and techniques for controlling fouling solids when extracting oleaginous material using an alcohol6 Aug 2026US 2026/0226366 A1Crown Iron Works Company
- Continuous process for crystallizing bis (2-hydroxyethyl) terephthalate and crystallizer used therein23 Jul 2026US 2026/0209162 A1Chempet Srl
- Gas-phase antimicrobial delivery via infused crystalline and porous solids2 Jul 2026US 2026/0183680 A1Onza Corp.
Most cited
By later US patents
- Method for determining the compositional distribution of a crystalline copolymer191US 5,008,204 AExxon Chemical Patents Inc. · 1991
- Crystallization method to improve crystal structure and size92US 5,314,506 AMerck & Co., Inc. · 1994
- Fibrinogen processing apparatus, method and container92US 5,520,885 AThermoGenesis Corp. · 1996
- Reusable heat pack containing supercooled solution and means for activating same80US 4,077,390 A1978
- Use of cannabinoids in the treatment of epilepsy56US 10,709,671 B2GW Research Limited · 2020