G01N 1/28
Preparing specimens for investigation including physical details of chemical methods covered elsewhere
Official title: Preparing specimens for investigation {including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q}(mounting specimens on microscopic slides G02B21/34; means for supporting the objects or the materials to be analysed in electron microscopes H01J37/20 {; laboratory gas handling apparatus B01L5/00})
G01N1/28 (Preparing specimens for investigation including physical details of chemical methods covered elsewhere) appears on 12,444 US grants and 15,184 published applications in this corpus.
Search patents in G01N- Granted patents
- 12,444
- Published applications
- 15,184
- Assignees
- 5,717
- Inventors
- 30,566
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 46 | 0 |
| 1977 | 40 | 0 |
| 1978 | 46 | 0 |
| 1979 | 20 | 0 |
| 1980 | 41 | 0 |
| 1981 | 43 | 0 |
| 1982 | 39 | 0 |
| 1983 | 33 | 0 |
| 1984 | 31 | 0 |
| 1985 | 42 | 0 |
| 1986 | 50 | 0 |
| 1987 | 54 | 0 |
| 1988 | 39 | 0 |
| 1989 | 89 | 0 |
| 1990 | 71 | 0 |
| 1991 | 92 | 0 |
| 1992 | 121 | 0 |
| 1993 | 139 | 0 |
| 1994 | 126 | 0 |
| 1995 | 121 | 0 |
| 1996 | 107 | 0 |
| 1997 | 136 | 0 |
| 1998 | 167 | 0 |
| 1999 | 179 | 0 |
| 2000 | 152 | 0 |
| 2001 | 189 | 77 |
| 2002 | 202 | 288 |
| 2003 | 198 | 277 |
| 2004 | 175 | 383 |
| 2005 | 188 | 339 |
| 2006 | 162 | 394 |
| 2007 | 158 | 320 |
| 2008 | 190 | 348 |
| 2009 | 194 | 368 |
| 2010 | 255 | 438 |
| 2011 | 251 | 422 |
| 2012 | 300 | 439 |
| 2013 | 382 | 624 |
| 2014 | 403 | 674 |
| 2015 | 461 | 678 |
| 2016 | 508 | 672 |
| 2017 | 527 | 731 |
| 2018 | 534 | 788 |
| 2019 | 603 | 922 |
| 2020 | 713 | 970 |
| 2021 | 627 | 952 |
| 2022 | 665 | 1045 |
| 2023 | 693 | 853 |
| 2024 | 720 | 856 |
| 2025 | 683 | 790 |
| 2026 | 439 | 536 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 1/40Concentrating samples4,189
- G01N 1/30Staining2,777
- G01N 1/38Diluting, dispersing or mixing samples1,461
- G01N 1/286Involving mechanical work1,249
- G01N 1/2813Producing thin layers of samples on a substrate1,062
- G01N 1/34Purifying936
- G01N 1/44Sample treatment involving radiation911
- G01N 1/36Embedding or analogous mounting of samples714
Recent patents
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Method for producing a section ribbon from a sample block using a microtome, method for preparing a microscopic sample for examination in an electron microscope, microtome and embedding mould for use therein6 Oct 2026US 12,754,106 B2Leica Mikrosysteme GmbH
- Sample taking device, sample taking system and method of operating a sample taking device6 Oct 2026US 12,754,107 B2LockCon AG
- Systems and methods for accurate layer detection and analysis in charged particle microscopes6 Oct 2026US 12,754,108 B2FEI Company
- Systems and methods for meso-dissection6 Oct 2026US 12,754,109 B2Roche Molecular Systems, Inc.
- Cooling method and apparatus for flame sealing method of glass capillary8 Oct 2026US 2026/0308041 A1East China University of Science and Technology
- Automated Tissue Sectioning and Storage System8 Oct 2026US 2026/0309594 A1Clarapath, Inc.
- Method and Device for Producing a Film-Shaped Test Body8 Oct 2026US 2026/0309595 A1Chemspeed Technologies AG
- 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
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Methods for fabricating microarrays of biological samples867US 5,807,522 AThe Board of Trustees of the Leland Stanford Junior University · 1998
- 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