B01D 1/22
Evaporating: by bringing a thin layer of the liquid into contact with
Official title: by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)}
B01D1/22 (Evaporating: by bringing a thin layer of the liquid into contact with) appears on 699 US grants and 602 published applications in this corpus.
Search patents in B01D- Granted patents
- 699
- Published applications
- 602
- Assignees
- 497
- Inventors
- 1,571
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 12 | 0 |
| 1980 | 13 | 0 |
| 1981 | 14 | 0 |
| 1982 | 13 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 17 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 19 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 6 |
| 2003 | 5 | 5 |
| 2004 | 5 | 14 |
| 2005 | 6 | 14 |
| 2006 | 5 | 7 |
| 2007 | 3 | 8 |
| 2008 | 7 | 23 |
| 2009 | 9 | 13 |
| 2010 | 8 | 29 |
| 2011 | 13 | 21 |
| 2012 | 9 | 28 |
| 2013 | 28 | 37 |
| 2014 | 17 | 36 |
| 2015 | 31 | 28 |
| 2016 | 23 | 22 |
| 2017 | 27 | 22 |
| 2018 | 27 | 27 |
| 2019 | 24 | 28 |
| 2020 | 30 | 38 |
| 2021 | 23 | 46 |
| 2022 | 36 | 37 |
| 2023 | 29 | 35 |
| 2024 | 33 | 40 |
| 2025 | 24 | 24 |
| 2026 | 18 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thin-layer treatment device15 Sep 2026US 12,734,463 B2Aurotec GmbH
- Method for producing a transfer mixture by the direct dissolution process, using a thin layer evaporator15 Sep 2026US 12,735,840 B2List Technology AG
- System and process for concentrating Brix in a liquid18 Aug 2026US 12,708,863 B2Les éQuipements D'éRablièRe Cdl Inc.
- Rotating evaporator device for liquid distillation or concentration4 Aug 2026US 12,697,563 B2Water Reuse Technology, Inc.
- Chemical distillation system with in situ analytics16 Jun 2026US 12,654,113 B2Astrotech Technologies, Inc.
- Mineral crystallizer systems and methods for solids separation17 Sep 2026US 2026/0274711 A1Localized Water Solutions LLC
- A plate heat exchanger, a heat exchanging plate and a method of treating a feed such as sea water6 Aug 2026US 2026/0225920 A1Alfa Laval Corporate AB
- Method and apparatus for automated and continuous extraction of biomass23 Jul 2026US 2026/0208069 A1Unified Science, LLC
- Highly efficient, salt rejecting, wick-free solar evaporation9 Jul 2026US 2026/0193107 A1Massachusetts Institute of Technology
- Nano-emulsion compositions containing cannabinoids4 Jun 2026US 2026/0152478 A1Cct Sciences, LLC
Most cited
By later US patents
- Vaporizer apparatus and film deposition apparatus therewith254US 5,951,923 AEbara Corporation · 1999
- Vapor compression distillation system and method93US 5,968,321 ARidgewood WaterPure Corporation · 1999
- Device and installations for the distillation by thin layer evaporation particularly of hydrocarbons, and process for operating this device79US 4,584,064 AElf France · 1986
- Submerged rotating heat exchanger-reactor75US 5,132,090 A1992
- Vapor compression distillation apparatus69US 4,585,523 A1986