B01D 1/00
Evaporating
Official title: Evaporating ({evaporation in general, e.g. of liquids for gas phase reactions B01B1/005} ; removal of incrustation B08B; preparation of starch C08B30/00; sugar industry C13; prevention of incrustation C23F; drying solid materials or objects by evaporating liquids therefrom F26)
B01D1/00 (Evaporating) appears on 3,705 US grants and 3,418 published applications in this corpus.
Search patents in B01D- Granted patents
- 3,705
- Published applications
- 3,418
- Assignees
- 2,070
- Inventors
- 7,653
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 68 | 0 |
| 1977 | 50 | 0 |
| 1978 | 43 | 0 |
| 1979 | 43 | 0 |
| 1980 | 59 | 0 |
| 1981 | 74 | 0 |
| 1982 | 66 | 0 |
| 1983 | 42 | 0 |
| 1984 | 36 | 0 |
| 1985 | 49 | 0 |
| 1986 | 51 | 0 |
| 1987 | 44 | 0 |
| 1988 | 40 | 0 |
| 1989 | 54 | 0 |
| 1990 | 41 | 0 |
| 1991 | 42 | 0 |
| 1992 | 45 | 0 |
| 1993 | 54 | 0 |
| 1994 | 35 | 0 |
| 1995 | 39 | 0 |
| 1996 | 53 | 0 |
| 1997 | 48 | 0 |
| 1998 | 59 | 0 |
| 1999 | 41 | 0 |
| 2000 | 45 | 0 |
| 2001 | 25 | 8 |
| 2002 | 36 | 54 |
| 2003 | 40 | 48 |
| 2004 | 40 | 73 |
| 2005 | 38 | 64 |
| 2006 | 30 | 54 |
| 2007 | 20 | 67 |
| 2008 | 41 | 94 |
| 2009 | 40 | 79 |
| 2010 | 53 | 94 |
| 2011 | 63 | 112 |
| 2012 | 59 | 138 |
| 2013 | 97 | 158 |
| 2014 | 89 | 176 |
| 2015 | 121 | 153 |
| 2016 | 103 | 172 |
| 2017 | 119 | 196 |
| 2018 | 152 | 188 |
| 2019 | 210 | 238 |
| 2020 | 228 | 229 |
| 2021 | 183 | 225 |
| 2022 | 174 | 213 |
| 2023 | 147 | 170 |
| 2024 | 158 | 193 |
| 2025 | 136 | 135 |
| 2026 | 82 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 1/0011Heating features886
- B01D 1/16Evaporating: by spraying767
- B01D 1/22Evaporating: by bringing a thin layer of the liquid into contact with699
- B01D 1/28Evaporating: with vapour compression538
- B01D 1/14Evaporating: with heated gases or vapours or liquids in contact with the525
- B01D 1/0082Regulation423
- B01D 1/26Multiple-effect evaporating418
- B01D 1/30Accessories for evaporators415
All 15 subgroupsShow fewer
- B01D 1/06Evaporators with vertical tubes414
- B01D 1/0064Feeding of liquid into an evaporator131
- B01D 1/04Evaporators with horizontal tubes109
- B01D 1/02Evaporators with heating coils108
- B01D 1/0094Evaporating: with forced circulation81
- B01D 1/0005Evaporating devices suitable for floating on water56
- B01D 1/0088Cascade evaporators49
Recent patents
- Evaporator and separation method using the same6 Oct 2026US 12,752,215 B2Hanwha Solutions Corporation
- Heat integration via heat pump on bottom dividing wall column6 Oct 2026US 12,752,216 B2Sulzer Management AG
- Condensation dedust-demister set6 Oct 2026US 12,752,224 B2
- Seawater desalination equipment29 Sep 2026US 12,746,486 B2Manzeon Co., Ltd.
- Hard cracking point of cannabinoids29 Sep 2026US 12,746,487 B2Chemtor, LP
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Salt-rejecting continuous passive solar thermal desalination via thin-film condensation8 Oct 2026US 2026/0307012 A1The Regents of the University of California
- A method and plant for purifying ethylene carbonate8 Oct 2026US 2026/0308138 A1Sulzer Management AG
- Systems for drying of compositions and related methods8 Oct 2026US 2026/0309413 A1Ziccum AB
- Falling film evaporator8 Oct 2026US 2026/0309429 A1Bitzer Kuhlmaschinenbau GmbH
Most cited
By later US patents
- Delivery systems for efficient vaporization of precursor source material593US 6,909,839 B2Advanced Technology Materials, Inc. · 2005
- Delivery systems for efficient vaporization of precursor source material563US 7,437,060 B2Advanced Technology Materials, Inc. · 2008
- Flash evaporation of monomer fluids323US 4,954,371 ASpectrum Control, Inc. · 1990
- Vaporizer apparatus and film deposition apparatus therewith254US 5,951,923 AEbara Corporation · 1999
- Distillation process for ethanol209US 5,124,004 ATrustees of Dartmouth College · 1992