B01D 1/284
Special features relating to the compressed vapour
Official title: {Special features relating to the compressed vapour}
B01D1/284 (Special features relating to the compressed vapour) appears on 164 US grants and 142 published applications in this corpus.
Search patents in B01D- Granted patents
- 164
- Published applications
- 142
- Assignees
- 130
- Inventors
- 365
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 3 |
| 2003 | 3 | 2 |
| 2004 | 4 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 8 |
| 2013 | 0 | 6 |
| 2014 | 2 | 4 |
| 2015 | 8 | 8 |
| 2016 | 4 | 6 |
| 2017 | 3 | 11 |
| 2018 | 8 | 14 |
| 2019 | 9 | 4 |
| 2020 | 13 | 5 |
| 2021 | 9 | 12 |
| 2022 | 8 | 11 |
| 2023 | 10 | 6 |
| 2024 | 3 | 14 |
| 2025 | 6 | 9 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat integration via heat pump on bottom dividing wall column6 Oct 2026US 12,752,216 B2Sulzer Management AG
- Methods and systems for treating fluid using a biochemical process under vacuum pressure2 Jun 2026US 12,643,806 B2U.S. Peroxide, LLC
- Facility and method for purifying recovered NMP26 May 2026US 12,636,591 B2GEA Wiegand GmbH
- Methods and systems for treating fluid using a biochemical process under vacuum pressure19 May 2026US 12,630,454 B2U.S. Peroxide, LLC
- Ethylene recycle systems and methods31 Mar 2026US 12,590,046 B2ExxonMobil Chemical Patents Inc.
- Heat integrated process and system for organic solvent production using vapor recompression20 Aug 2026US 2026/0241306 A1Whitefox Technologies Limited
- Improved process for producing alkali metal methoxides9 Jul 2026US 2026/0193158 A1Evonik Operations GmbH
- Method and system for distilling alcohol in an alcohol production process utilizing mechanical vapor recompression11 Jun 2026US 2026/0158407 A1
- Improved process for production of alkali metal methoxides14 May 2026US 2026/0132096 A1Evonik Operations GmbH
- Multiple-effect multi-train desalination (memtd) device7 May 2026US 2026/0124555 A1Wga Water Global Access S.L.
Most cited
By later US patents
- Distillation process for ethanol209US 5,124,004 ATrustees of Dartmouth College · 1992
- Distillation systems and methods123US 4,626,321 ATrustees of Dartmouth College · 1986
- Distillation process for ethanol122US 4,961,826 ATrustees of Dartmouth College · 1990
- Apparatus to concentrate and purify alcohol117US 5,250,271 AMinister of International Trade & Industry · 1993
- Vapor compression distillation system81US 4,539,076 A1985