B01D 5/0063
Reflux condensation
Official title: {Reflux condensation}
B01D5/0063 (Reflux condensation) appears on 140 US grants and 122 published applications in this corpus.
Search patents in B01D- Granted patents
- 140
- Published applications
- 122
- Assignees
- 95
- Inventors
- 297
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 5 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 4 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 1 | 2 |
| 2014 | 6 | 2 |
| 2015 | 1 | 10 |
| 2016 | 3 | 4 |
| 2017 | 5 | 15 |
| 2018 | 10 | 9 |
| 2019 | 10 | 9 |
| 2020 | 18 | 9 |
| 2021 | 10 | 13 |
| 2022 | 6 | 6 |
| 2023 | 6 | 5 |
| 2024 | 6 | 4 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Separation of ethanol mixtures by extractive distillation105US 6,375,807 B12002
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- Column having integrated heat exchanger27US 5,507,356 AHoechst Aktiengesellschaft · 1996
- Heat exchanger with spirally wound sheets26US 4,124,069 ALinde Aktiengesellschaft · 1978
- Apparatus for purifying carbon dioxide vapors of fermenting liquids23US 4,112,829 AEstablissement Valvin · 1978