G01N 30/84
Preparation of the fraction to be distributed
G01N30/84 (Preparation of the fraction to be distributed) appears on 447 US grants and 351 published applications in this corpus.
Search patents in G01N- Granted patents
- 447
- Published applications
- 351
- Assignees
- 272
- Inventors
- 883
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 6 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 3 |
| 2002 | 12 | 16 |
| 2003 | 10 | 20 |
| 2004 | 9 | 22 |
| 2005 | 14 | 15 |
| 2006 | 6 | 16 |
| 2007 | 12 | 11 |
| 2008 | 4 | 9 |
| 2009 | 9 | 15 |
| 2010 | 11 | 22 |
| 2011 | 8 | 17 |
| 2012 | 10 | 14 |
| 2013 | 16 | 11 |
| 2014 | 15 | 14 |
| 2015 | 8 | 10 |
| 2016 | 8 | 16 |
| 2017 | 8 | 10 |
| 2018 | 15 | 19 |
| 2019 | 22 | 22 |
| 2020 | 17 | 12 |
| 2021 | 9 | 16 |
| 2022 | 14 | 16 |
| 2023 | 8 | 9 |
| 2024 | 14 | 7 |
| 2025 | 10 | 3 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2030/8429Adding modificating materialIndexing code119
- G01N 2030/8411Intermediate storage of effluent, including condensation on surfaceIndexing code116
- G01N 2030/8447Nebulising, aerosol formation or ionisationIndexing code76
- G01N 2030/8405Using pyrolysisIndexing code60
- G01N 2030/8423Using permeable separator tubesIndexing code12
Recent patents
- Online native mass spectrometry methods for assaying viral particles11 Aug 2026US 12,704,515 B2Regeneron Pharmaceuticals, Inc.
- Aerosol concentration sensor calibration device2 Jun 2026US 12,644,814 B2Kidde Technologies, Inc.
- Use of neutral pH mobile phases in reversed phase chromatography of acidic peptides12 May 2026US 12,624,065 B2Waters Technologies Corporation
- Preparative separation and purification device and preparative separation and purification method31 Mar 2026US 12,590,933 B2Shimadzu Corporation
- Interface system and corresponding method17 Mar 2026US 12,578,315 B2Thermo Fisher Scientific (Bremen) GmbH
- Metastable ionisation and emission detector, and related methods3 Sep 2026US 2026/0259183 A19518-1236 Quebec Inc.
- Liquid chromatography-mass spectrometry system25 Jun 2026US 2026/0175166 A1Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
- Fraction collector and a method for operating the same28 May 2026US 2026/0145099 A1Cytiva Sweden AB
- Detectors28 May 2026US 2026/0146979 A1Waters Technologies Corporation
- Preparative liquid chromatograph23 Apr 2026US 2026/0110667 A1Shimadzu Corporation
Most cited
By later US patents
- Heated transfer line for capillary tubing563US 4,735,259 AHewlett-Packard Company · 1988
- Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis396US 5,858,195 ALockheed Martin Energy Research Corporation · 1999
- Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis382US 6,033,546 ALockheed Martin Energy Research Corporation · 2000
- Apparatus and method for performing microfluidic manipulations for chemical analysis369US 6,001,229 ALockheed Martin Energy Systems, Inc. · 1999
- Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis350US 6,010,607 ALockheed Martin Energy Research Corporation · 2000