G01N 30/02
Column chromatography
G01N30/02 (Column chromatography) appears on 10,744 US grants and 11,260 published applications in this corpus.
Search patents in G01N- Granted patents
- 10,744
- Published applications
- 11,260
- Assignees
- 3,779
- Inventors
- 19,796
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 68 | 0 |
| 1977 | 69 | 0 |
| 1978 | 64 | 0 |
| 1979 | 50 | 0 |
| 1980 | 65 | 0 |
| 1981 | 85 | 0 |
| 1982 | 56 | 0 |
| 1983 | 61 | 0 |
| 1984 | 87 | 0 |
| 1985 | 83 | 0 |
| 1986 | 85 | 0 |
| 1987 | 87 | 0 |
| 1988 | 99 | 0 |
| 1989 | 150 | 0 |
| 1990 | 129 | 0 |
| 1991 | 131 | 0 |
| 1992 | 174 | 0 |
| 1993 | 141 | 0 |
| 1994 | 155 | 0 |
| 1995 | 153 | 0 |
| 1996 | 145 | 0 |
| 1997 | 168 | 0 |
| 1998 | 175 | 0 |
| 1999 | 178 | 0 |
| 2000 | 186 | 0 |
| 2001 | 189 | 62 |
| 2002 | 195 | 252 |
| 2003 | 202 | 294 |
| 2004 | 191 | 338 |
| 2005 | 170 | 317 |
| 2006 | 177 | 304 |
| 2007 | 178 | 288 |
| 2008 | 155 | 320 |
| 2009 | 158 | 280 |
| 2010 | 189 | 358 |
| 2011 | 203 | 352 |
| 2012 | 255 | 347 |
| 2013 | 256 | 407 |
| 2014 | 290 | 452 |
| 2015 | 294 | 493 |
| 2016 | 323 | 467 |
| 2017 | 374 | 515 |
| 2018 | 385 | 610 |
| 2019 | 502 | 654 |
| 2020 | 482 | 628 |
| 2021 | 501 | 638 |
| 2022 | 505 | 714 |
| 2023 | 434 | 641 |
| 2024 | 537 | 620 |
| 2025 | 428 | 494 |
| 2026 | 327 | 415 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 30/62Detectors specially adapted therefor3,901
- G01N 30/26Conditioning of the fluid carrier3,295
- G01N 30/04Preparation or injection of sample to be analysed3,073
- G01N 2030/022Characterised by the kind of separation mechanismIndexing code2,280
- G01N 30/88Integrated analysis systems specially adapted therefor, not covered by a single one2,068
- G01N 30/60Construction of the column1,989
- G01N 30/86Signal analysis1,314
- G01N 30/50Conditioning of the sorbent material or stationary liquid1,054
All 10 subgroupsShow fewer
Recent patents
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- Two-in-one chromatography systems for use with small volume samples and with automated liquid handlers8 Oct 2026US 2026/0306967 A1Integrated Micro-Chromatography Systems, Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308231 A1Regeneron Pharmaceuticals, Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308232 A1Regeneron Pharmaceuticals, Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308233 A1Regeneron Pharmaceuticals, Inc.
- Composition comprising antibody that binds to domain ii of her2 and acidic variants thereof8 Oct 2026US 2026/0308274 A1Genentech, Inc.
Most cited
By later US patents
- Alternative current pathways for bipolar surgical cutting tool2,970US 5,531,744 AEthicon Endo-Surgery, Inc. · 1996
- Silicon semiconductor wafer for analyzing micronic biological samples904US 4,908,112 AE. I. Du Pont de Nemours and Company · 1990
- Microfluidic structure and process for its manufacture704US 5,376,252 APharmacia Biosensor AB · 1994
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Heated transfer line for capillary tubing563US 4,735,259 AHewlett-Packard Company · 1988