G01N 1/34
Purifying
Official title: Purifying; Cleaning {(processes or apparatus for extracting or separating nucleic acids from biological samples C12N15/1003)}
G01N1/34 (Purifying) appears on 936 US grants and 1,282 published applications in this corpus.
Search patents in G01N- Granted patents
- 936
- Published applications
- 1,282
- Assignees
- 765
- Inventors
- 3,151
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 19 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 21 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 20 | 5 |
| 2002 | 9 | 17 |
| 2003 | 16 | 15 |
| 2004 | 8 | 26 |
| 2005 | 7 | 23 |
| 2006 | 13 | 27 |
| 2007 | 7 | 18 |
| 2008 | 8 | 11 |
| 2009 | 5 | 19 |
| 2010 | 5 | 19 |
| 2011 | 12 | 22 |
| 2012 | 17 | 23 |
| 2013 | 31 | 79 |
| 2014 | 24 | 104 |
| 2015 | 39 | 40 |
| 2016 | 57 | 61 |
| 2017 | 49 | 48 |
| 2018 | 51 | 70 |
| 2019 | 59 | 80 |
| 2020 | 45 | 75 |
| 2021 | 50 | 67 |
| 2022 | 45 | 81 |
| 2023 | 53 | 82 |
| 2024 | 61 | 93 |
| 2025 | 55 | 103 |
| 2026 | 32 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Method for isolating highly pure nucleic acid with magnetic particles15 Sep 2026US 12,735,696 B2Qiagen GmbH
- Deaerator and electrolyte measurement system18 Aug 2026US 12,710,395 B2Hitachi High-Tech Corporation
- Method for quantitative evaluation on sensitivity of shale oil and gas reservoir to injected fluids28 Jul 2026US 12,693,249 B2Northeast Petroleum University
- Devices and methods for laser capture microdissection21 Jul 2026US 12,687,466 B2Life Technologies Corporation
- Method for detecting colorectal cancer dna using lateral flow assay1 Oct 2026US 2026/0298931 A1PREDICTIVE AI, Inc.
- Method, system and kit for detecting perfluoroalkyl and polyfluoroalkyl (pfas) compounds24 Sep 2026US 2026/0287570 A1The United States of America as represented by the Secretary of the Navy
- Method for assessing impact of transgenic plants on agricultural biodiversity using environmental dna metabarcoding sequencing17 Sep 2026US 2026/0275429 A1Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment
- Microparticle sampling and chemical treatment17 Sep 2026US 2026/0276493 A1Hong Kong Applied Science and Technology Research Institute Company Limited
- Purification apparatus and method of controlling purification apparatus10 Sep 2026US 2026/0266702 A1Shimadzu Corporation
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Method and apparatus for determination of analyte concentration307US 5,954,954 ASuprex Corporation · 1999
- Devices and methods for monitoring genomic DNA of organisms294US 7,604,938 B2Canon U.S. Life Sciences, Inc. · 2009
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000