C12N 15/1017
By filtration
Official title: {by filtration, e.g. using filters, frits, membranes}
C12N15/1017 (By filtration) appears on 381 US grants and 654 published applications in this corpus.
Search patents in C12N- Granted patents
- 381
- Published applications
- 654
- Assignees
- 350
- Inventors
- 1,259
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 2 | 16 |
| 2003 | 5 | 18 |
| 2004 | 8 | 17 |
| 2005 | 5 | 15 |
| 2006 | 3 | 16 |
| 2007 | 6 | 9 |
| 2008 | 6 | 19 |
| 2009 | 3 | 14 |
| 2010 | 10 | 19 |
| 2011 | 10 | 17 |
| 2012 | 12 | 19 |
| 2013 | 6 | 16 |
| 2014 | 7 | 29 |
| 2015 | 20 | 21 |
| 2016 | 17 | 30 |
| 2017 | 19 | 38 |
| 2018 | 26 | 31 |
| 2019 | 18 | 17 |
| 2020 | 26 | 46 |
| 2021 | 20 | 43 |
| 2022 | 20 | 53 |
| 2023 | 25 | 28 |
| 2024 | 19 | 36 |
| 2025 | 29 | 40 |
| 2026 | 13 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Method for preparing RNA derived from skin surface lipids28 Jul 2026US 12,692,490 B2Kao Corporation
- Methods of preparing oligonucleotide compositions using ultrafiltration/diafiltration28 Jul 2026US 12,692,495 B2Biogen MA Inc.
- Method for selecting polynucleotides based on the size in a globular form9 Jun 2026US 12,649,916 B2Oxford Nanopore Technologies PLC
- Universal lactic acid bacteria quantification kit for fermentation monitoring19 May 2026US 12,630,873 B2National Agriculture Genotyping Center
- Methods for isolating a microbial analyte8 Oct 2026US 2026/0308670 A1Gen-Probe Incorporated
- Non-toxic formulation for collecting biological samples, and device for capturing and eluting nucleic acids in the samples17 Sep 2026US 2026/0275328 A1
- Nucleic acid product and process10 Sep 2026US 2026/0265727 A1
- Method and systems for isolating nuclear rna from a high degradation tissue27 Aug 2026US 2026/0250659 A1Case Western Reserve University
- A process for producing microbial cytoplasm macromolecular extract13 Aug 2026US 2026/0234181 A1Beijing Active Blue Crystal Biotechnology Co., Ltd.
Most cited
By later US patents
- Process for isolating nucleic acid621US 5,234,809 AAkzo N. V. · 1993
- Methods for the isolation of nucleic acids and for quantitative DNA extraction and detection for leukocyte evaluation in blood products131US 6,958,392 B2Whatman, Inc. · 2005
- Filtration processes, kits and devices for isolating plasmids127US 6,146,854 ASequenom, Inc. · 2000
- Cellular component extraction apparatus and disposable vessel useful therein96US 5,330,916 AE. I. Du Pont de Nemours and Company · 1994
- Process and device for isolating nucleic acids91US 6,071,395 A2000