B03C 5/022
Non-uniform field separators
Official title: {Non-uniform field separators}
B03C5/022 (Non-uniform field separators) appears on 595 US grants and 718 published applications in this corpus.
Search patents in B03C- Granted patents
- 595
- Published applications
- 718
- Assignees
- 331
- Inventors
- 1,392
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 15 |
| 2003 | 5 | 16 |
| 2004 | 15 | 20 |
| 2005 | 8 | 24 |
| 2006 | 13 | 29 |
| 2007 | 12 | 23 |
| 2008 | 9 | 20 |
| 2009 | 11 | 29 |
| 2010 | 21 | 35 |
| 2011 | 15 | 23 |
| 2012 | 22 | 24 |
| 2013 | 24 | 37 |
| 2014 | 31 | 49 |
| 2015 | 36 | 39 |
| 2016 | 24 | 29 |
| 2017 | 22 | 30 |
| 2018 | 31 | 37 |
| 2019 | 24 | 38 |
| 2020 | 21 | 38 |
| 2021 | 29 | 39 |
| 2022 | 24 | 36 |
| 2023 | 20 | 27 |
| 2024 | 23 | 25 |
| 2025 | 19 | 19 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B03C 5/026Using open-gradient differential dielectric separation, i.e. using electrodes of special shapes for461
- B03C 5/028Using travelling electric fields, i.e. travelling wave dielectrophoresis [twd]89
- B03C 5/024Using high-gradient differential dielectric separation, i.e. using a dielectric matrix polarised by78
Recent patents
- Microfluidic device and system11 Aug 2026US 12,702,980 B2Imec Vzw
- Hyper efficient separations device4 Aug 2026US 12,697,625 B2Arizona Board of Regents on behalf of Arizona State University
- System and method for manipulating objects in a fluid28 Jul 2026US 12,691,456 B2Ramot at Tel-Aviv University Ltd.
- Electrostatic dust separator for purifying air and other dielectric fluids14 Jul 2026US 12,678,801 B2Mikroninter-Dig GmbH
- Methods of penning micro-objects using positive dielectrophoresis7 Jul 2026US 12,673,333 B2Bruker Spatial Biology, Inc.
- Methods of Penning Micro-Objects Using Positive Dielectrophoresis20 Aug 2026US 2026/0241391 A1Bruker Spatial Biology, Inc.
- Passive sensor capable of detection of materials including specific dna or dna-like strands16 Jul 2026US 2026/0201448 A1Dna Profile Ltd.
- Observation Apparatus and Observation Method9 Jul 2026US 2026/0194438 A1SCREEN Holdings Co., Ltd.
- Bifunctional Graphene Dielectrophoresis (DEP)-Graphene Field Effect Transistor (GFET) Device and Methods for Using Same9 Jul 2026US 2026/0198039 A1Regents of the University of Minnesota
- Device and method for controlling charged particles in fluid2 Jul 2026US 2026/0183774 A1Zhuhai Jieyi Biotechnology Science and Technology Co., Ltd
Most cited
By later US patents
- Method and apparatus for programmable fluidic processing487US 6,294,063 B1Board of Regents, The University of Texas System · 2001
- Micro-flow system for particle separation and analysis417US 6,432,630 B1Scandinanian Micro Biodevices A/S · 2002
- Method and apparatus for dielectrophoretic manipulation of chemical species395US 4,390,403 A1983
- Methods for manipulating moieties in microfluidic systems281US 7,081,192 B1Aviva Biosciences Corporation · 2006
- Systems and methods for cell subpopulation analysis235US 6,790,330 B2Board of Regents, The University of Texas System · 2004