G01N 2030/889
Monitoring the quality of the stationary phase
Official title: {monitoring the quality of the stationary phase; column performance}
G01N2030/889 (Monitoring the quality of the stationary phase) appears on 56 US grants and 89 published applications in this corpus.
Search patents in G01N- Granted patents
- 56
- Published applications
- 89
- Assignees
- 41
- Inventors
- 172
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 2 | 6 |
| 2019 | 4 | 10 |
| 2020 | 7 | 10 |
| 2021 | 4 | 8 |
| 2022 | 7 | 10 |
| 2023 | 7 | 5 |
| 2024 | 9 | 9 |
| 2025 | 5 | 4 |
| 2026 | 3 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Managing a heat transfer characteristic in a temperature control chamber18 Aug 2026US 12,710,407 B2Agilent Technologies, Inc.
- Quality control of GC gas flow11 Aug 2026US 12,704,489 B2Schlumberger Technology Corporation
- Quality control of GC makeup gas flow23 Jun 2026US 12,663,405 B2Schlumberger Technology Corporation
- Automated chromatography column switching control based on pressure detection14 Oct 2025US 12,440,781 B2Cytiva Sweden AB
- Analysis assistance device, method, and program for searching for an analysis condition for use with a liquid chromatography system24 Jun 2025US 12,339,262 B2Shimadzu Corporation
- Gdv optimized injection with sample pre-compression20 Aug 2026US 2026/0243736 A1Dionex Softron GmbH
- Analysis device with parallel operation of secondary functions30 Apr 2026US 2026/0118325 A1Agilent Technologies, Inc.
- Method in Bioprocess System16 Apr 2026US 2026/0105997 A1Cytiva BioProcess R&D AB
- Chromatograph system8 Jan 2026US 2026/0009773 A1Shimadzu Corporation
- Quality control of gc gas flow4 Dec 2025US 2025/0369936 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Systems and methods for evaluating chromatography column performance18US 8,410,928 B2Biogen Idec MA Inc. · 2013
- Liquid separation column smart cartridge13US 6,613,224 B1Waters Investments Limited · 2003
- Automated system and method for monitoring chromatography column performance, and applications thereof10US 8,568,586 B2Biogen Idec MA Inc. · 2013
- System and method for testing chromatography media and devices9US 7,732,216 B2Pall Corporation · 2010
- Method and system for liquid chromatography fluidic monitoring6US 10,054,569 B2Thermo Finnigan LLC · 2018