B01D 65/10
Testing of membranes or membrane apparatus
Official title: Testing of membranes or membrane apparatus; Detecting or repairing leaks
B01D65/10 (Testing of membranes or membrane apparatus) appears on 475 US grants and 505 published applications in this corpus.
Search patents in B01D- Granted patents
- 475
- Published applications
- 505
- Assignees
- 319
- Inventors
- 1,308
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 17 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 5 |
| 2003 | 6 | 14 |
| 2004 | 12 | 20 |
| 2005 | 12 | 11 |
| 2006 | 8 | 14 |
| 2007 | 7 | 14 |
| 2008 | 11 | 14 |
| 2009 | 8 | 20 |
| 2010 | 7 | 20 |
| 2011 | 14 | 33 |
| 2012 | 15 | 22 |
| 2013 | 15 | 23 |
| 2014 | 16 | 29 |
| 2015 | 19 | 22 |
| 2016 | 18 | 18 |
| 2017 | 11 | 24 |
| 2018 | 15 | 20 |
| 2019 | 25 | 22 |
| 2020 | 20 | 30 |
| 2021 | 24 | 17 |
| 2022 | 15 | 25 |
| 2023 | 18 | 29 |
| 2024 | 19 | 23 |
| 2025 | 18 | 16 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- State diagnosis method for separation membrane element1 Sep 2026US 12,722,124 B2Toray Industries, Inc.
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Systems and methods for blockage detection in gas detectors18 Aug 2026US 12,710,348 B2Detector Electronics Buyer US, LLC
- Method for measuring pore size and pore size distribution of filter membrane18 Aug 2026US 12,710,349 B2Shanghai University of Engineering Science
- Fluid filtration system with single use filter and integrated integrity test device and method of using same2 Jun 2026US 12,643,062 B2Cytiva US LLC
- System for determining filter status8 Oct 2026US 2026/0309611 A1
- Determination apparatus, determination method, determination program, and water treatment system17 Sep 2026US 2026/0273472 A1Yokogawa Electric Corporation
- Method for testing the integrity of virus filtration modules and a filtration apparatus for carrying out the method20 Aug 2026US 2026/0241343 A1Boehringer Ingelheim International GmbH
- Analysis device, analysis method, analysis program, and water treatment system20 Aug 2026US 2026/0242255 A1Yokogawa Electric Corporation
- Method and device for regenerating inorganic porous gas separation membrane13 Aug 2026US 2026/0233167 A1Jgc Corporation
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Asymmetric membranes315US 4,629,563 ABrunswick Corporation · 1986
- Process for preparing hydrophilic polyamide membrane filter media and product277US 4,340,479 APall Corporation · 1982
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999
- Method of rinsing back blood to hemodialysis patient243US 5,690,831 AAksys, Ltd. · 1997