G01N 30/50
Conditioning of the sorbent material or stationary liquid
G01N30/50 (Conditioning of the sorbent material or stationary liquid) appears on 1,054 US grants and 952 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,054
- Published applications
- 952
- Assignees
- 538
- Inventors
- 2,183
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 15 | 0 |
| 1992 | 26 | 0 |
| 1993 | 22 | 0 |
| 1994 | 20 | 0 |
| 1995 | 18 | 0 |
| 1996 | 13 | 0 |
| 1997 | 33 | 0 |
| 1998 | 24 | 0 |
| 1999 | 21 | 0 |
| 2000 | 31 | 0 |
| 2001 | 24 | 3 |
| 2002 | 27 | 32 |
| 2003 | 38 | 49 |
| 2004 | 33 | 36 |
| 2005 | 20 | 44 |
| 2006 | 25 | 36 |
| 2007 | 23 | 39 |
| 2008 | 27 | 33 |
| 2009 | 18 | 40 |
| 2010 | 30 | 38 |
| 2011 | 18 | 41 |
| 2012 | 22 | 28 |
| 2013 | 29 | 34 |
| 2014 | 33 | 31 |
| 2015 | 22 | 33 |
| 2016 | 13 | 26 |
| 2017 | 20 | 31 |
| 2018 | 13 | 40 |
| 2019 | 36 | 44 |
| 2020 | 29 | 49 |
| 2021 | 38 | 42 |
| 2022 | 37 | 45 |
| 2023 | 23 | 45 |
| 2024 | 51 | 53 |
| 2025 | 39 | 26 |
| 2026 | 16 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous liquid-liquid chromatographic separation of chemical species using multiple liquid phases and related systems and articles18 Aug 2026US 12,708,864 B2Zaiput Flow Technologies LLC
- Method for the analysis of related substances in cyclosporine a preparation, and use thereof4 Aug 2026US 12,699,075 B2Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Limited
- Analysis of oligosaccharides using a liquid chromatography system and a chromatographic column in which the LC system and column's internal metal surface has been modified with a layer of inert material14 Jul 2026US 12,680,988 B2Waters Technologies Corporation
- Metal components with inert vapor phase coating on internal surfaces16 Jun 2026US 12,655,517 B2Agilent Technologies, Inc.
- Method for determining tobacco-specific nitrosamines (TSNAs) in cigarette smoke using one-step clean-up coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS)26 May 2026US 12,638,424 B2Yunnan Academy of Tobacco Agricultural Sciences
- High pressure fluid handling device for liquid chromatography8 Oct 2026US 2026/0309684 A1IDEX Health & Science LLC
- Photoswitchable compounds and affinity ligands, and their use for the optical control of affinity matrices10 Sep 2026US 2026/0265179 A1AFC Innovations GmbH
- Exhaled breath capture modules and substrate-based probes for monitoring proteolysis activity3 Sep 2026US 2026/0259181 A1Zeteo Tech, Inc.
- Column cartridge and analyzer3 Sep 2026US 2026/0259182 A1Hitachi High-Tech Corporation
- Metal components with inert vapor phase coating on internal surfaces27 Aug 2026US 2026/0250839 A1Agilent Technologies, Inc.
Most cited
By later US patents
- Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers317US 6,175,409 B1Symyx Technologies, Inc. · 2001
- Apparatus and method for trapping bead based reagents within microfluidic analysis systems261US 6,432,290 B1The Governors of the University of Alberta · 2002
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003
- Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography219US 5,135,627 ASoane Technologies, Inc. · 1992