B01D 3/065
Multiple-effect flash distillation
Official title: {Multiple-effect flash distillation (more than two traps)}
B01D3/065 (Multiple-effect flash distillation) appears on 201 US grants and 168 published applications in this corpus.
Search patents in B01D- Granted patents
- 201
- Published applications
- 168
- Assignees
- 112
- Inventors
- 352
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 11 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 6 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 5 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 2 | 10 |
| 2014 | 3 | 10 |
| 2015 | 3 | 13 |
| 2016 | 10 | 8 |
| 2017 | 6 | 13 |
| 2018 | 14 | 12 |
| 2019 | 21 | 26 |
| 2020 | 24 | 15 |
| 2021 | 16 | 16 |
| 2022 | 9 | 7 |
| 2023 | 7 | 6 |
| 2024 | 1 | 1 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for treating salt solutions13 Nov 2025US 2025/0345721 A1Occidental Oil and Gas Corporation
- Thermal coupling of a plant for preparing 1,2-dichloroethane to a plant for thermal desalination (of sea water)12 Jun 2025US 2025/0188005 A1thyssenkrupp AG
Most cited
By later US patents
- Anhydrous ethanol distillation method and apparatus141US 4,422,903 ARaphael Katzen Associates International, Inc. · 1983
- Apparatus for high volume distillation of liquids96US 4,319,964 A1982
- Process for desalination of saline water, especially water, having increased product yield and quality85US 6,508,936 B1Saline Water Conversion Corporation · 2003
- Process for improving thermal efficiency while producing power and desalinating water80US 5,925,223 A1999
- Method and apparatus for high volume distillation of liquids70US 4,035,243 A1977