B01D 61/24
Dialysis
Official title: Dialysis {; Membrane extraction}
B01D61/24 (Dialysis) appears on 1,031 US grants and 919 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,031
- Published applications
- 919
- Assignees
- 498
- Inventors
- 2,096
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 24 | 0 |
| 1978 | 13 | 0 |
| 1979 | 17 | 0 |
| 1980 | 21 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 16 | 0 |
| 1991 | 15 | 0 |
| 1992 | 15 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 7 | 0 |
| 1996 | 16 | 0 |
| 1997 | 28 | 0 |
| 1998 | 19 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 4 |
| 2002 | 13 | 18 |
| 2003 | 10 | 21 |
| 2004 | 16 | 23 |
| 2005 | 10 | 28 |
| 2006 | 10 | 60 |
| 2007 | 13 | 21 |
| 2008 | 11 | 20 |
| 2009 | 14 | 24 |
| 2010 | 26 | 49 |
| 2011 | 39 | 28 |
| 2012 | 30 | 55 |
| 2013 | 20 | 37 |
| 2014 | 24 | 36 |
| 2015 | 36 | 49 |
| 2016 | 29 | 42 |
| 2017 | 39 | 51 |
| 2018 | 39 | 40 |
| 2019 | 42 | 49 |
| 2020 | 50 | 60 |
| 2021 | 44 | 35 |
| 2022 | 36 | 40 |
| 2023 | 26 | 37 |
| 2024 | 31 | 37 |
| 2025 | 33 | 39 |
| 2026 | 14 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorbent, method for manufacturing the same, adsorption sheet, artificial dialysis membrane, and artificial dialyzer15 Sep 2026US 12,734,484 B2Murata Manufacturing Co., Ltd.
- Method and system for reducing volume of raw material liquid15 Sep 2026US 12,734,485 B2Asahi Kasei Kabushiki Kaisha
- Systems and methods to assess and reduce salt levels in a MRU21 Jul 2026US 12,687,537 B2Saudi Arabian Oil Company
- Membrane-based separation processes enhanced with an absorption device23 Jun 2026US 12,662,437 B2ExxonMobil Chemical Patents Inc.
- Microfluidic dialysis module and continuous purification method for drug carriers or biomedicine using the same9 Jun 2026US 12,649,126 B2Postech Research and Business Development Foundation
- Ultra-low power membrane-assisted lithium extraction system with passive foulant removal24 Sep 2026US 2026/0284598 A1Lyten, Inc.
- Separation apparatus and method3 Sep 2026US 2026/0257177 A1The Penn State Research Foundation
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
- Liquid-liquid extraction system for electroactive metal electrodeposition from brine20 Aug 2026US 2026/0242970 A1Pure Lithium Corporation
- Semipermeable membrane and semipermeable membrane module30 Jul 2026US 2026/0216670 A1Toyobo Co., Ltd.
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Hemofiltration and plasmafiltration devices and methods308US 5,919,369 AHemocleanse, Inc. · 1999
- Dialysis material and method for removing uremic substances274US 4,581,141 APurdue Research Foundation · 1986
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999
- Electrolyte and pH monitoring for fluid removal processes251US 9,192,707 B2Medtronic, Inc. · 2015