B01D 2321/12
Use of permeate
B01D2321/12 (Use of permeate) appears on 127 US grants and 178 published applications in this corpus.
Search patents in B01D- Granted patents
- 127
- Published applications
- 178
- Assignees
- 103
- Inventors
- 344
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 5 |
| 2004 | 4 | 11 |
| 2005 | 4 | 7 |
| 2006 | 4 | 5 |
| 2007 | 4 | 10 |
| 2008 | 1 | 4 |
| 2009 | 5 | 8 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 9 |
| 2013 | 1 | 6 |
| 2014 | 2 | 8 |
| 2015 | 6 | 8 |
| 2016 | 3 | 4 |
| 2017 | 8 | 9 |
| 2018 | 3 | 9 |
| 2019 | 10 | 5 |
| 2020 | 5 | 7 |
| 2021 | 4 | 17 |
| 2022 | 5 | 5 |
| 2023 | 8 | 11 |
| 2024 | 8 | 9 |
| 2025 | 9 | 9 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water purifier16 Jun 2026US 12,654,137 B2Coway Co., Ltd.
- Method of operation of a perfusion system3 Mar 2026US 12,565,635 B2Cytiva Sweden AB
- Method to remove chemical contaminants30 Dec 2025US 12,509,363 B2The Procter & Gamble Company
- Controlling biofouling in water purification30 Dec 2025US 12,509,382 B2Saudi Arabian Oil Company
- Filtration system and method for synchronizing permeate and retentate flow30 Sep 2025US 12,427,454 B2Repligen Corporation
- System and method for improved micro and ultra crossflow membrane filtration2 Jul 2026US 2026/0183718 A1PurposeEnergy, Inc.
- Water purification device, flushing control method for water purification device, and water purification system4 Jun 2026US 2026/0151739 A1Gree Electric Appliances, Inc. of Zhuhai
- Direct water purification system with automatic backwash function21 May 2026US 2026/0138093 A1Fluxtek International Corp.
- Water purifier9 Apr 2026US 2026/0097365 A1Coway Co., Ltd.
- Systems and methods for extending water filtration membrane lifetime in self-mediated saltless whole home water treatment systems2 Apr 2026US 2026/0091356 A1Pentair Residential Filtration, LLC
Most cited
By later US patents
- Electrolyte and pH monitoring for fluid removal processes251US 9,192,707 B2Medtronic, Inc. · 2015
- System for maintaining a clean skein of hollow fibers while filtering suspended solids154US 5,944,997 AZenon Environmental Inc. · 1999
- Gas-scrubbed hollow fiber membrane module135US 6,156,200 AUSF Filtration and Separations Group, Inc. · 2000
- Baffle for conversion of fine bubbles to coarse while filtering with a vertical skein of hollow fibers134US 5,910,250 AZenon Environmental Inc. · 1999
- Potted header for hollow fiber membranes and method for making it114US 6,042,677 AZenon Environmental Inc. · 2000