G01N 15/00
Investigating characteristics of particles
Official title: Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
G01N15/00 (Investigating characteristics of particles) appears on 14,871 US grants and 16,678 published applications in this corpus.
Search patents in G01N- Granted patents
- 14,871
- Published applications
- 16,678
- Assignees
- 5,635
- Inventors
- 30,868
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 83 | 0 |
| 1977 | 46 | 0 |
| 1978 | 48 | 0 |
| 1979 | 49 | 0 |
| 1980 | 54 | 0 |
| 1981 | 63 | 0 |
| 1982 | 57 | 0 |
| 1983 | 48 | 0 |
| 1984 | 62 | 0 |
| 1985 | 90 | 0 |
| 1986 | 78 | 0 |
| 1987 | 128 | 0 |
| 1988 | 123 | 0 |
| 1989 | 113 | 0 |
| 1990 | 118 | 0 |
| 1991 | 140 | 0 |
| 1992 | 144 | 0 |
| 1993 | 108 | 0 |
| 1994 | 128 | 0 |
| 1995 | 126 | 0 |
| 1996 | 134 | 0 |
| 1997 | 143 | 0 |
| 1998 | 172 | 0 |
| 1999 | 176 | 0 |
| 2000 | 165 | 0 |
| 2001 | 194 | 46 |
| 2002 | 211 | 323 |
| 2003 | 267 | 347 |
| 2004 | 229 | 395 |
| 2005 | 201 | 385 |
| 2006 | 242 | 368 |
| 2007 | 255 | 369 |
| 2008 | 257 | 422 |
| 2009 | 243 | 449 |
| 2010 | 295 | 442 |
| 2011 | 312 | 446 |
| 2012 | 345 | 488 |
| 2013 | 359 | 554 |
| 2014 | 455 | 641 |
| 2015 | 440 | 651 |
| 2016 | 508 | 755 |
| 2017 | 596 | 887 |
| 2018 | 649 | 929 |
| 2019 | 863 | 1036 |
| 2020 | 877 | 1096 |
| 2021 | 814 | 1138 |
| 2022 | 756 | 1039 |
| 2023 | 767 | 983 |
| 2024 | 826 | 1006 |
| 2025 | 792 | 872 |
| 2026 | 522 | 611 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 15/10Investigating individual particles8,522
- G01N 15/02Investigating particle size or size distribution3,341
- G01N 15/06Investigating concentration of particle suspensions3,054
- G01N 15/01Investigating characteristics of particles: specially adapted for biological cells2,120
- G01N 15/08Investigating permeability, pore-volume, or surface area of porous materials1,808
- G01N 2015/0042Investigating dispersion of solidsIndexing code1,778
- G01N 15/04Investigating sedimentation of particle suspensions621
- G01N 2015/0038Investigating nanoparticlesIndexing code450
All 15 subgroupsShow fewer
- G01N 2015/0092Monitoring flocculation or agglomerationIndexing code224
- G01N 2015/0023Investigating dispersion of liquidsIndexing code193
- G01N 2015/03Electro-optical investigation of a plurality of particles, the analyser being characterised byIndexing code121
- G01N 2015/0007Investigating dispersion of gasIndexing code120
- G01N 2015/0003Determining electric mobility, velocity profile, average speed or velocity of a pluralityIndexing code84
- G01N 2015/0096Investigating consistence of powders, dustability, dustinessIndexing code84
- G01N 2015/0019Means for transferring or separating particles prior to analysisIndexing code63
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- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- Particle characterization system8 Oct 2026US 2026/0309610 A1Universite De Geneve
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995