G01N 30/00
Investigating or analysing materials by separation into components using adsorption, absorption or
Official title: Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography {or field flow fractionation} (G01N3/00, G01N5/00, G01N7/00, G01N9/00, G01N11/00, G01N13/00, G01N15/00, G01N17/00, G01N19/00, G01N21/00, G01N22/00, G01N23/00, G01N24/00, G01N25/00, G01N27/00, G01N29/00 take precedence)
G01N30/00 (Investigating or analysing materials by separation into components using adsorption, absorption or) appears on 11,483 US grants and 11,846 published applications in this corpus.
Search patents in G01N- Granted patents
- 11,483
- Published applications
- 11,846
- Assignees
- 4,010
- Inventors
- 21,102
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 80 | 0 |
| 1977 | 81 | 0 |
| 1978 | 74 | 0 |
| 1979 | 63 | 0 |
| 1980 | 73 | 0 |
| 1981 | 106 | 0 |
| 1982 | 66 | 0 |
| 1983 | 72 | 0 |
| 1984 | 101 | 0 |
| 1985 | 92 | 0 |
| 1986 | 96 | 0 |
| 1987 | 99 | 0 |
| 1988 | 120 | 0 |
| 1989 | 164 | 0 |
| 1990 | 136 | 0 |
| 1991 | 141 | 0 |
| 1992 | 187 | 0 |
| 1993 | 153 | 0 |
| 1994 | 164 | 0 |
| 1995 | 168 | 0 |
| 1996 | 157 | 0 |
| 1997 | 177 | 0 |
| 1998 | 188 | 0 |
| 1999 | 190 | 0 |
| 2000 | 199 | 0 |
| 2001 | 204 | 72 |
| 2002 | 215 | 273 |
| 2003 | 214 | 312 |
| 2004 | 212 | 353 |
| 2005 | 178 | 334 |
| 2006 | 191 | 326 |
| 2007 | 189 | 308 |
| 2008 | 161 | 339 |
| 2009 | 169 | 305 |
| 2010 | 199 | 379 |
| 2011 | 218 | 385 |
| 2012 | 274 | 365 |
| 2013 | 278 | 439 |
| 2014 | 313 | 479 |
| 2015 | 315 | 520 |
| 2016 | 346 | 493 |
| 2017 | 390 | 545 |
| 2018 | 409 | 629 |
| 2019 | 515 | 689 |
| 2020 | 504 | 667 |
| 2021 | 524 | 675 |
| 2022 | 529 | 734 |
| 2023 | 455 | 659 |
| 2024 | 559 | 638 |
| 2025 | 440 | 502 |
| 2026 | 335 | 426 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 30/02Column chromatography10,744
- G01N 30/96Investigating or analysing materials by separation into components using adsorption, absorption or447
- G01N 30/90Plate chromatography395
- G01N 2030/009ExtractionIndexing code283
- G01N 30/0005Field flow fractionation202
- G01N 2030/0095Separation specially adapted for use outside laboratoryIndexing code105
- G01N 2030/0075Separation due to differential desorptionIndexing code66
- G01N 30/89Inverse chromatography39
Recent patents
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- Femtosecond laser surface processing for controlled fill and targeted deposition6 Oct 2026US 12,752,371 B1Honeywell Federal Manufacturing & Technologies, LLC
- Gas-less eluent generator6 Oct 2026US 12,753,517 B2Dionex Corporation
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Thermal analysis system6 Oct 2026US 12,754,111 B2Shimadzu Corporation
- 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