B01D 67/00091
By evaporation
Official title: {by evaporation}
B01D67/00091 (By evaporation) appears on 135 US grants and 185 published applications in this corpus.
Search patents in B01D- Granted patents
- 135
- Published applications
- 185
- Assignees
- 125
- Inventors
- 473
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 5 |
| 2005 | 2 | 5 |
| 2006 | 1 | 6 |
| 2007 | 3 | 4 |
| 2008 | 2 | 6 |
| 2009 | 3 | 8 |
| 2010 | 6 | 9 |
| 2011 | 4 | 5 |
| 2012 | 9 | 5 |
| 2013 | 6 | 6 |
| 2014 | 4 | 10 |
| 2015 | 5 | 10 |
| 2016 | 6 | 10 |
| 2017 | 4 | 12 |
| 2018 | 7 | 10 |
| 2019 | 8 | 8 |
| 2020 | 9 | 9 |
| 2021 | 5 | 10 |
| 2022 | 6 | 7 |
| 2023 | 7 | 8 |
| 2024 | 5 | 8 |
| 2025 | 3 | 10 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyamide composite reverse osmosis membrane and preparation method thereof21 Apr 2026US 12,605,679 B2Hunan Keensen Technology Co., Ltd.
- PPO based film with high surface area and procedures for the obtainment thereof17 Mar 2026US 12,576,366 B2MATERIAS S.r.l.
- Gas separation membrane, gas separation module, gas separation apparatus, and polyimide compound17 Mar 2026US 12,576,368 B2FUJIFILM Corporation
- Large-scale fabrication technique for PIM-1 asymmetric membranes doped with low-molecular-weight polyethylene glycol for gas separation13 Jan 2026US 12,521,681 B2Dalian University of Technology
- Microfiltration membrane21 Oct 2025US 12,447,442 B2EMD Millipore Corporation
- Fabrication of membranes via combined evaporation and precipitant induced phase separation10 Sep 2026US 2026/0264022 A1Sartorius Stedim Biotech GmbH
- Mxene membrane with gradient pores, preparation method and application thereof23 Jul 2026US 2026/0208121 A1South China University of Technology
- Method for making cross-linkable zwitterionic polymer membranes and their use23 Jul 2026US 2026/0208123 A1Trustees of Tufts College
- Nanofiber membrane with dual-scale porosity and method of fabricating the same9 Apr 2026US 2026/0097369 A1Nano and Advanced Materials Institute Limited
- Method for obtaining a catalytic membrane, catalytic membrane obtained and uses thereof12 Mar 2026US 2026/0070025 A1Universidad De Murcia
Most cited
By later US patents
- Method of making a product with a micro or nano sized structure and product158US 7,531,120 B2Aquamarijn Holding B.V. · 2009
- Flat or capillary membrane based on a homogeneous mixture of polyvinylidene fluoride and a second polymer which can be rendered hydrophilic by chemical reaction100US 5,066,401 AAkzo N. V. · 1991
- Membrane affinity apparatus and purification methods related thereto77US 5,683,916 AHemasure, Inc. · 1997
- Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same74US 5,015,275 AThe Dow Chemical Company · 1991
- Microporous PVDF films63US 7,338,692 B23M Innovative Properties Company · 2008