B01D 3/322
Reboiler specifications
Official title: {Reboiler specifications}
B01D3/322 (Reboiler specifications) appears on 310 US grants and 202 published applications in this corpus.
Search patents in B01D- Granted patents
- 310
- Published applications
- 202
- Assignees
- 179
- Inventors
- 742
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 9 |
| 2003 | 13 | 5 |
| 2004 | 4 | 17 |
| 2005 | 5 | 10 |
| 2006 | 5 | 5 |
| 2007 | 6 | 5 |
| 2008 | 7 | 2 |
| 2009 | 9 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 6 |
| 2014 | 4 | 5 |
| 2015 | 5 | 7 |
| 2016 | 4 | 4 |
| 2017 | 5 | 6 |
| 2018 | 5 | 12 |
| 2019 | 14 | 14 |
| 2020 | 14 | 9 |
| 2021 | 9 | 15 |
| 2022 | 10 | 12 |
| 2023 | 18 | 14 |
| 2024 | 12 | 11 |
| 2025 | 9 | 4 |
| 2026 | 4 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308138 A1Sulzer Management AG
- Application of a bottom divided wall column (bdwc) with and without vapor recompression (vrc) to separate aromatic rich streams from the pyrolysis gasoline hydrogenation reactor1 Oct 2026US 2026/0297434 A1Lummus Technology Inc.
- Process for fractionating a stream10 Sep 2026US 2026/0263962 A1Uop LLC
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Most cited
By later US patents
- Hydrous alcohol distillation method and apparatus148US 4,306,942 ARaphael Katzen Associates International, Inc. · 1981
- Distillative separations of gas mixtures containing methane, carbon dioxide and other components129US 4,462,814 AKoch Process Systems, Inc. · 1984
- Cryogenic distillative separation of acid gases from methane111US 4,318,723 AKoch Process Systems, Inc. · 1982
- Apparatus for separating organic liquid solutes from their solvent mixtures103US 4,375,387 ACritical Fluid Systems, Inc. · 1983
- Fractionation process with power generation by depressurizing the overhead vapor stream95US 4,471,619 AUop LLC · 1984