B01D 65/108
Repairing membranes
Official title: {Repairing membranes}
B01D65/108 (Repairing membranes) appears on 44 US grants and 50 published applications in this corpus.
Search patents in B01D- Granted patents
- 44
- Published applications
- 50
- Assignees
- 46
- Inventors
- 161
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 1 | 6 |
| 2015 | 4 | 6 |
| 2016 | 3 | 4 |
| 2017 | 2 | 4 |
| 2018 | 2 | 2 |
| 2019 | 5 | 4 |
| 2020 | 2 | 2 |
| 2021 | 4 | 1 |
| 2022 | 1 | 4 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for evaluating covering state of silicone compound11 Nov 2025US 12,465,892 B2Terumo Kabushiki Kaisha
- Ultrathin membrane fabrication11 Feb 2025US 12,220,666 B2Saudi Arabian Oil Company
- Desalination performance restoration agent for cellulose acetate membrane and desalination performance restoration method for cellulose acetate membrane16 Jul 2024US 12,036,513 B2Kyoeisha Chemical Co., Ltd.
- Method of improving the effectiveness of an oxygen removal unit for a fuel supply system and the resulting oxygen removal unit31 Oct 2023US 11,801,479 B2Hamilton Sundstrand Corporation
- Mitigating leaks in membranes8 Aug 2023US 11,717,791 B2King Fahd University of Petroleum and Minerals
- Method and device for regenerating inorganic porous gas separation membrane13 Aug 2026US 2026/0233167 A1Jgc Corporation
- Processing method for polyamide-based semipermeable membrane, production method and processing apparatus for semipermeable membrane element, and fluid processing method and fluid processing apparatus each using semipermeable membrane element23 Jul 2026US 2026/0208120 A1Toray Industries, Inc.
- In-situ repair method for the surface of pa membrane after the destruction of oxidizing substances5 Jun 2025US 2025/0177924 A1Northwestern Polytechnical University
- Method of evaluating separation membrane module28 Dec 2023US 2023/0415099 A1NGK Insulators, Ltd.
- Method for evaluating covering state of silicone compound14 Dec 2023US 2023/0398501 A1Terumo Kabushiki Kaisha
Most cited
By later US patents
- Method of repairing leaks in a hollow capillary fiber diffusion device87US 4,248,648 ABaxter Travenol Laboratories, Inc. · 1981
- Selective clogging of failed fibers53US 5,575,963 AAGA Aktiebolag · 1996
- Solutions of fluoropolymers, and their use22US 4,808,651 AHoechst Aktiengesellschaft · 1989
- Membrane reparation and poer size reduction using interfacial ozone assisted chemical vapor deposition19US 5,672,388 AExxon Research & Engineering Co. · 1997
- Method of bonding cation exchange membrane of fluorinated polymer13US 4,318,785 AAshai Glass Company, Limited · 1982