B01D 3/38
Steam distillation
B01D3/38 (Steam distillation) appears on 306 US grants and 241 published applications in this corpus.
Search patents in B01D- Granted patents
- 306
- Published applications
- 241
- Assignees
- 224
- Inventors
- 706
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 5 |
| 2003 | 5 | 1 |
| 2004 | 3 | 4 |
| 2005 | 3 | 10 |
| 2006 | 0 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 7 | 4 |
| 2010 | 4 | 10 |
| 2011 | 4 | 3 |
| 2012 | 2 | 6 |
| 2013 | 3 | 10 |
| 2014 | 5 | 3 |
| 2015 | 8 | 4 |
| 2016 | 7 | 7 |
| 2017 | 6 | 10 |
| 2018 | 5 | 22 |
| 2019 | 11 | 20 |
| 2020 | 24 | 22 |
| 2021 | 17 | 20 |
| 2022 | 13 | 22 |
| 2023 | 13 | 16 |
| 2024 | 7 | 18 |
| 2025 | 21 | 10 |
| 2026 | 13 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Devices and systems for treating water and other fluids1 Jan 2026US 2026/0001009 A1Undesert Corporation
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Most cited
By later US patents
- Distillation system and process66US 4,783,242 AThe Dow Chemical Company · 1988
- Volatiles separator and concentrator36US 5,458,739 AVendome Copper & Brass Works, Inc. · 1995
- Process for separating bituminous materials and recovering solvent35US 4,315,815 AKerr-McGee Refining Corporation · 1982
- Method for removing dissolved immiscible organics from am aqueous medium at ambient temperatures33US 5,294,303 AThe Dow Chemical Company · 1994
- Process for removing ammonia and acid gases from process streams32US 4,594,131 AUnited States Steel Corporation · 1986