B01D 1/26
Multiple-effect evaporating
B01D1/26 (Multiple-effect evaporating) appears on 418 US grants and 313 published applications in this corpus.
Search patents in B01D- Granted patents
- 418
- Published applications
- 313
- Assignees
- 264
- Inventors
- 734
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 14 | 0 |
| 1982 | 16 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 5 |
| 2004 | 4 | 5 |
| 2005 | 2 | 7 |
| 2006 | 3 | 6 |
| 2007 | 4 | 12 |
| 2008 | 5 | 9 |
| 2009 | 4 | 4 |
| 2010 | 8 | 8 |
| 2011 | 4 | 6 |
| 2012 | 7 | 8 |
| 2013 | 6 | 16 |
| 2014 | 8 | 14 |
| 2015 | 11 | 15 |
| 2016 | 12 | 15 |
| 2017 | 8 | 11 |
| 2018 | 13 | 17 |
| 2019 | 29 | 43 |
| 2020 | 40 | 22 |
| 2021 | 13 | 21 |
| 2022 | 18 | 17 |
| 2023 | 14 | 8 |
| 2024 | 9 | 14 |
| 2025 | 13 | 17 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating evaporator device for liquid distillation or concentration4 Aug 2026US 12,697,563 B2Water Reuse Technology, Inc.
- Method for clean and low-carbon in-situ disposal of waste incineration fly ash14 Jul 2026US 12,678,726 B2Zhejiang University
- System and method for improving water quality of dehydration tower in purified terephthalic acid device23 Jun 2026US 12,661,603 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Heat integrated process and system for organic solvent production using vapor recompression10 Feb 2026US 12,544,686 B2Whitefox Technologies Limited
- Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials25 Nov 2025US 12,480,255 B2Pierson Capital Environmental (Beijing) Limited
- Caustic solution evaporation plant24 Sep 2026US 2026/0284549 A1Bertrams Chemieanlagen AG
- Amino acid production system with reconfigurable multiple pipes for compatible production of amino acids and method for configuring same24 Sep 2026US 2026/0284629 A1Cj Cheiljedang Corporation
- Process and system for dehydrating a product stream in ethanol production10 Sep 2026US 2026/0263961 A1Whitefox Technologies Limited
- Heat integrated process and system for organic solvent production using vapor recompression20 Aug 2026US 2026/0241306 A1Whitefox Technologies Limited
- A geothermal hydrogen production and compression system20 Aug 2026US 2026/0242246 A1Good Water Energy Ltd.
Most cited
By later US patents
- Process for desalination of saline water, especially water, having increased product yield and quality85US 6,508,936 B1Saline Water Conversion Corporation · 2003
- Method and apparatus for simultaneous heat and mass transfer76US 4,832,115 AAlbers Technologies Corporation · 1989
- Enhanced oil recovery system for use with a geopressured-geothermal conversion system76US 7,845,406 B22010
- Alcohol recovery process65US 4,309,254 AStone and Webster Eng. Corp. · 1982
- Process and apparatus for recovering clean water and solids from aqueous solids60US 4,270,974 AHanover Research Corporation · 1981