B01D 3/00
Distillation or related exchange processes in which liquids are contacted with gaseous
Official title: Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ({evaporation in general, e.g. of liquids for gas phase reactions B01B1/005;} gas chromatography B01D15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12H6/02)
B01D3/00 (Distillation or related exchange processes in which liquids are contacted with gaseous) appears on 7,073 US grants and 6,129 published applications in this corpus.
Search patents in B01D- Granted patents
- 7,073
- Published applications
- 6,129
- Assignees
- 2,707
- Inventors
- 13,443
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 61 | 0 |
| 1977 | 89 | 0 |
| 1978 | 63 | 0 |
| 1979 | 70 | 0 |
| 1980 | 98 | 0 |
| 1981 | 120 | 0 |
| 1982 | 124 | 0 |
| 1983 | 87 | 0 |
| 1984 | 82 | 0 |
| 1985 | 106 | 0 |
| 1986 | 86 | 0 |
| 1987 | 64 | 0 |
| 1988 | 75 | 0 |
| 1989 | 73 | 0 |
| 1990 | 70 | 0 |
| 1991 | 65 | 0 |
| 1992 | 99 | 0 |
| 1993 | 119 | 0 |
| 1994 | 106 | 0 |
| 1995 | 96 | 0 |
| 1996 | 95 | 0 |
| 1997 | 93 | 0 |
| 1998 | 120 | 0 |
| 1999 | 107 | 0 |
| 2000 | 104 | 0 |
| 2001 | 100 | 40 |
| 2002 | 116 | 117 |
| 2003 | 105 | 113 |
| 2004 | 84 | 166 |
| 2005 | 79 | 131 |
| 2006 | 88 | 118 |
| 2007 | 91 | 112 |
| 2008 | 86 | 132 |
| 2009 | 88 | 151 |
| 2010 | 86 | 153 |
| 2011 | 120 | 169 |
| 2012 | 107 | 189 |
| 2013 | 158 | 237 |
| 2014 | 156 | 278 |
| 2015 | 220 | 295 |
| 2016 | 208 | 281 |
| 2017 | 205 | 328 |
| 2018 | 301 | 398 |
| 2019 | 407 | 454 |
| 2020 | 405 | 403 |
| 2021 | 335 | 397 |
| 2022 | 298 | 394 |
| 2023 | 296 | 336 |
| 2024 | 255 | 329 |
| 2025 | 253 | 258 |
| 2026 | 154 | 150 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 3/14Fractional distillation or use of a fractionation or rectification column3,369
- B01D 3/34Distillation or related exchange processes in which liquids are contacted with gaseous1,552
- B01D 3/10Vacuum distillation770
- B01D 3/42Regulation742
- B01D 3/009In combination with chemical reactions718
- B01D 3/06Flash distillation703
- B01D 3/007Energy recuperation573
- B01D 3/001Processes specially adapted for distillation or rectification of fermented solutions363
Recent patents
- Heat integration via heat pump on bottom dividing wall column6 Oct 2026US 12,752,216 B2Sulzer Management AG
- System and method for substantially horizonal rotating reflux distillation apparatus6 Oct 2026US 12,752,217 B2Development Technologies, LLC
- Methods of dewatering of alcoholic solutions via forward osmosis and related systems6 Oct 2026US 12,752,239 B2Porifera, Inc.
- System and method embodiments for treating produced water using supercritical water desalination coupled with supercritical water oxidation6 Oct 2026US 12,753,101 B1Triad National Security, LLC
- Method for removing HCL in chlorination reaction29 Sep 2026US 12,746,484 B2Hanwha Solutions Corporation
- Production method8 Oct 2026US 2026/0306577 A1AG IP Company Pty Ltd
- Methods of and systems for a dry milling process with two steps liquefications8 Oct 2026US 2026/0306965 A1Lee Tech LLC
- Systems and methods for using facilitated transport membranes to separate olefins and paraffins8 Oct 2026US 2026/0308087 A1
- Azeotropic compositions comprising hydrogen fluoride8 Oct 2026US 2026/0308089 A1The Chemours Company Fc, LLC
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308137 A1Sulzer Management AG
Most cited
By later US patents
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- Methods for recovering acrylic acid353US 6,252,110 B1Nippon Shokubai Co., Ltd. · 2001
- Flash evaporation of monomer fluids323US 4,954,371 ASpectrum Control, Inc. · 1990
- Base oil manufacturing plant246US 8,956,581 B2Chevron U.S.A.Inc. · 2015
- Distillation process for ethanol209US 5,124,004 ATrustees of Dartmouth College · 1992