B01D 57/02
Separation, other than separation of solids, not fully covered by a single
Official title: by electrophoresis (treatment of water, waste water, sewage or sludge by electrophoresis C02F1/469; electrophoretic production of compounds or non-metals C25B7/00; investigating or analysing materials by using electrophoresis G01N27/26)
B01D57/02 (Separation, other than separation of solids, not fully covered by a single) appears on 629 US grants and 424 published applications in this corpus.
Search patents in B01D- Granted patents
- 629
- Published applications
- 424
- Assignees
- 371
- Inventors
- 1,223
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 11 | 0 |
| 1980 | 14 | 0 |
| 1981 | 7 | 0 |
| 1982 | 14 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 23 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 20 | 0 |
| 1991 | 19 | 0 |
| 1992 | 38 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 5 |
| 2002 | 11 | 17 |
| 2003 | 8 | 23 |
| 2004 | 8 | 19 |
| 2005 | 8 | 14 |
| 2006 | 11 | 19 |
| 2007 | 11 | 12 |
| 2008 | 7 | 11 |
| 2009 | 4 | 22 |
| 2010 | 8 | 31 |
| 2011 | 14 | 15 |
| 2012 | 20 | 27 |
| 2013 | 19 | 23 |
| 2014 | 22 | 30 |
| 2015 | 28 | 21 |
| 2016 | 20 | 19 |
| 2017 | 13 | 7 |
| 2018 | 12 | 12 |
| 2019 | 10 | 17 |
| 2020 | 9 | 21 |
| 2021 | 8 | 14 |
| 2022 | 16 | 17 |
| 2023 | 15 | 10 |
| 2024 | 12 | 8 |
| 2025 | 12 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Immersion cooling system with phoretic force particulate collection30 Jun 2026US 12,672,256 B2Intel Corporation
- System for separating liquids and solids16 Jun 2026US 12,654,174 B2Saving Solutions S.p.A.
- Electrical field flow fractionator26 May 2026US 12,636,614 B2Wyatt Technology Corporation
- Sheath channel formation between capillaries for high throughput capillary electrophoresis3 Feb 2026US 12,540,920 B2ProteinSimple
- Integrated synthesis and analysis systems and methods of use thereof23 Dec 2025US 12,505,900 B2Purdue Research Foundation
- Resonance separating system for liquids and solids17 Sep 2026US 2026/0273544 A1Saving Solutions S.p.A.
- Membrane transfer cassette4 Jun 2026US 2026/0153476 A1Global Life Sciences Solutions Operations UK Ltd
- Sheath channel formation between capillaries for high throughput capillary electrophoresis2 Apr 2026US 2026/0092892 A1ProteinSimple
- Method and apparatus for treating a target substance by electrophoresis12 Feb 2026US 2026/0042064 A1Provigate Inc.
- Capillary barriers for staged loading of microfluidic device30 Oct 2025US 2025/0333722 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Microfluidic structure and process for its manufacture704US 5,376,252 APharmacia Biosensor AB · 1994
- Method and device for moving molecules by the application of a plurality of electrical fields698US 5,126,022 ASoane Tecnologies, Inc. · 1992
- Method and device for moving molecules by the application of a plurality of electrical fields518US 5,750,015 ASoane Biosciences, Inc. · 1998
- Methods for fabricating enclosed microchannel structures443US 6,176,962 B1Aclara Biosciences, Inc. · 2001
- Micro-flow system for particle separation and analysis417US 6,432,630 B1Scandinanian Micro Biodevices A/S · 2002