G01N 1/40
Concentrating samples
G01N1/40 (Concentrating samples) appears on 4,189 US grants and 5,239 published applications in this corpus.
Search patents in G01N- Granted patents
- 4,189
- Published applications
- 5,239
- Assignees
- 2,495
- Inventors
- 11,270
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 18 | 0 |
| 1990 | 19 | 0 |
| 1991 | 27 | 0 |
| 1992 | 53 | 0 |
| 1993 | 48 | 0 |
| 1994 | 37 | 0 |
| 1995 | 42 | 0 |
| 1996 | 47 | 0 |
| 1997 | 47 | 0 |
| 1998 | 70 | 0 |
| 1999 | 64 | 0 |
| 2000 | 47 | 0 |
| 2001 | 80 | 26 |
| 2002 | 79 | 112 |
| 2003 | 69 | 114 |
| 2004 | 56 | 161 |
| 2005 | 67 | 130 |
| 2006 | 62 | 124 |
| 2007 | 65 | 114 |
| 2008 | 60 | 109 |
| 2009 | 63 | 132 |
| 2010 | 91 | 145 |
| 2011 | 73 | 174 |
| 2012 | 102 | 147 |
| 2013 | 111 | 184 |
| 2014 | 115 | 214 |
| 2015 | 162 | 228 |
| 2016 | 163 | 244 |
| 2017 | 187 | 281 |
| 2018 | 171 | 274 |
| 2019 | 236 | 344 |
| 2020 | 248 | 323 |
| 2021 | 240 | 366 |
| 2022 | 221 | 342 |
| 2023 | 238 | 282 |
| 2024 | 261 | 264 |
| 2025 | 219 | 252 |
| 2026 | 135 | 153 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 1/4077By other techniques involving separation of suspended solids1,444
- G01N 1/405By adsorption or absorption1,274
- G01N 1/4055By solubility techniques508
- G01N 1/4022By thermal techniques488
- G01N 1/4005By transferring a selected component through a membrane469
- G01N 1/4044By chemical techniques231
- G01N 2001/4038Electric methodsIndexing code178
Recent patents
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Regulating a channel temperature of a field flow fractionator6 Oct 2026US 12,754,170 B2Wyatt Technology Corporation
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- Method and apparatus for processing tissue samples29 Sep 2026US 12,747,422 B2S2 Genomics, Inc.
- Preparation of Platelet Free Mononuclear Cells8 Oct 2026US 2026/0309596 A1Russell Biotech, Inc.
- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- Apparatus and methods for capturing non-volatile and semi-volatile substances from breath1 Oct 2026US 2026/0294270 A1Cannabix Technologies Inc.
- Pneumatic nebulization-photochemical vapor generation dual mode sample introduction system1 Oct 2026US 2026/0298781 A1
- A multi-stage apparatus for automated sample preparation and online peptide mapping analysis1 Oct 2026US 2026/0298782 A1Hoffmann-La Roche Inc.
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Disposable vacuum filtration apparatus capable of detecting microorganisms and particulates in liquid samples489US 6,913,152 B22005
- Non-planar microstructures for manipulation of fluid samples448US 6,368,871 B1Cepheid · 2002
- Methods and apparatus for in situ concentration and/or dilution of materials in microfluidic systems431US 5,869,004 ACaliper Technologies Corp. · 1999
- Microfabricated differential extraction device and method417US 5,932,100 AUniversity of Washington · 1999