B01D 65/104
Detection of leaks in membrane apparatus or modules
Official title: {Detection of leaks in membrane apparatus or modules}
B01D65/104 (Detection of leaks in membrane apparatus or modules) appears on 108 US grants and 104 published applications in this corpus.
Search patents in B01D- Granted patents
- 108
- Published applications
- 104
- Assignees
- 71
- Inventors
- 244
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 14 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 3 | 7 |
| 2005 | 3 | 3 |
| 2006 | 3 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 6 |
| 2010 | 2 | 7 |
| 2011 | 8 | 17 |
| 2012 | 6 | 5 |
| 2013 | 6 | 3 |
| 2014 | 2 | 5 |
| 2015 | 3 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 0 | 5 |
| 2019 | 5 | 4 |
| 2020 | 2 | 4 |
| 2021 | 4 | 4 |
| 2022 | 1 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrity test for a double filter capsule20 Jan 2026US 12,528,054 B2Sartorius Stedim Biotech GmbH
- Method and an apparatus for evaluating a condition of a water purification system27 May 2025US 12,312,252 B2Gambro Lundia AB
- Method for preparing water quality profile, method for inspecting separation membrane module, and water treatment apparatus12 Nov 2024US 12,138,593 B2Toray Industries, Inc.
- Membrane defect inspection method and membrane defect inspection device21 May 2024US 11,986,773 B2Kubota Corporation
- Membrane defect inspection method and membrane defect inspection device6 Feb 2024US 11,890,581 B2Kubota 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
- Gas Separation System and Method for Managing the Same18 Jun 2026US 2026/0166494 A1Hyundai Motor Company
- Fluid Separation System26 Feb 2026US 2026/0054214 A1Vacuum Engineering Services Ltd
- Method and an apparatus for evaluating a condition of a water purification system11 Sep 2025US 2025/0282648 A1Baxter Healthcare S. A.
- Vacuum leak detector having a sprayed-against membrane-test leak, and method20 Feb 2025US 2025/0058284 A1Inficon GmbH
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- 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
- Methods for ultrafiltration control in hemodialysis212US 5,725,776 AAksys, Ltd. · 1998
- Water treatment for dialysate preparation164US 5,762,782 AAksys, Ltd. · 1998