G01N 30/603
Retaining the stationary phase
Official title: {retaining the stationary phase, e.g. Frits}
G01N30/603 (Retaining the stationary phase) appears on 135 US grants and 160 published applications in this corpus.
Search patents in G01N- Granted patents
- 135
- Published applications
- 160
- Assignees
- 86
- Inventors
- 329
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 3 | 6 |
| 2006 | 2 | 5 |
| 2007 | 2 | 12 |
| 2008 | 1 | 8 |
| 2009 | 2 | 6 |
| 2010 | 3 | 12 |
| 2011 | 6 | 12 |
| 2012 | 4 | 6 |
| 2013 | 5 | 13 |
| 2014 | 6 | 12 |
| 2015 | 8 | 3 |
| 2016 | 6 | 8 |
| 2017 | 7 | 3 |
| 2018 | 8 | 5 |
| 2019 | 3 | 7 |
| 2020 | 4 | 6 |
| 2021 | 5 | 5 |
| 2022 | 6 | 6 |
| 2023 | 2 | 2 |
| 2024 | 5 | 6 |
| 2025 | 4 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chromatography devices and methods29 Sep 2026US 12,748,084 B2Dpx Technologies, Inc.
- Filter assemblies, depth indicators, torque-limiting fittings, torque-indicating fittings, and systems incorporating the same23 Jun 2026US 12,663,403 B2Agilent Technologies, Inc.
- Liquid chromatography column with improved connection performance27 Jan 2026US 12,533,606 B2ARKRAY, Inc.
- Filter assemblies, depth indicators, torque-limiting fittings, torque-indicating fittings, and systems incorporating the same20 Jan 2026US 12,529,685 B2Agilent Technologies, Inc.
- Chromatography column and method of assembling the same5 Aug 2025US 12,379,355 B2Cytiva Sweden AB
- Method for locking a frit in a chromatography cartridge and a chromatography cartridge30 Jul 2026US 2026/0219242 A1Biotage AB
- Filter assemblies, depth indicators, torque-limiting fittings, torque-indicating fittings, and systems incorporating the same23 Apr 2026US 2026/0110668 A1Agilent Technologies, Inc.
- A purification receptacle1 Jan 2026US 2026/0001010 A1Astrea UK Services Limited
- Column for high performance liquid chromatography (hplc) and manufacturing method thereof18 Dec 2025US 2025/0383326 A1Tomoe Works Co., Ltd.
- Chromatography component16 Oct 2025US 2025/0321208 A1Western Sydney University
Most cited
By later US patents
- Liquid chromatography column adapted for in situ chemical sterilization69US 5,423,982 ABioSepra, Inc. · 1995
- Multi-column separation devices and methods68US 7,261,812 B1Nanostream, Inc. · 2007
- Apparatus for liquid-solid column centrifugation chromatography and method63US 4,422,941 AUniversity of Pittsburgh · 1983
- High pressure liquid chromatography columns63US 4,719,011 AH. T. Chemicals, Inc. · 1988
- Chromatography tube for use within a pressurized circuit55US 5,238,556 A1993