G01N 2013/003
Diffusion
Official title: {Diffusion; diffusivity between liquids}
G01N2013/003 (Diffusion) appears on 111 US grants and 138 published applications in this corpus.
Search patents in G01N- Granted patents
- 111
- Published applications
- 138
- Assignees
- 115
- Inventors
- 408
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 6 |
| 2004 | 1 | 3 |
| 2005 | 3 | 10 |
| 2006 | 4 | 3 |
| 2007 | 4 | 4 |
| 2008 | 4 | 2 |
| 2009 | 4 | 6 |
| 2010 | 3 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 3 | 0 |
| 2014 | 4 | 7 |
| 2015 | 0 | 6 |
| 2016 | 7 | 5 |
| 2017 | 2 | 7 |
| 2018 | 5 | 11 |
| 2019 | 5 | 9 |
| 2020 | 12 | 9 |
| 2021 | 5 | 9 |
| 2022 | 8 | 8 |
| 2023 | 9 | 6 |
| 2024 | 5 | 5 |
| 2025 | 4 | 3 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Temperature control system for a diffusion cell, diffusion cell, diffusion cell system, and method for controlling the temperature in a diffusion cell1 Sep 2026US 12,723,961 B2LTS Lohmann Therapie-Systeme AG
- Method, apparatus, and device for evaluating dynamic diffusion of natural hydrogen in rock pores2 Jun 2026US 12,644,813 B2China University of Geosciences (Beijing)
- Forced oxidation test system5 May 2026US 12,618,762 B2China Resources Snow Breweries Company Ltd
- Diffusion monitoring protocol for optimized tissue fixation4 Nov 2025US 12,461,004 B2Ventana Medical Systems, Inc.
- Surface performance evaluation device, surface performance evaluation method, and surface performance evaluation program26 Aug 2025US 12,400,342 B2Toyota Jidosha Kabushiki Kaisha
- The diffusivity measurement algorithm of a two-dimensional heat dissipation device24 Sep 2026US 2026/0287489 A1
- Method for calculating vapor diffusion coefficient for bound water in glass sand porous media16 Jul 2026US 2026/0202297 A1Hohai University
- Transdermal migration device9 Jul 2026US 2026/0194434 A1Jinan University
- Systems and Methods for Measuring Osmotic Pressure2 Jul 2026US 2026/0185913 A1The Regents of the University of California
- Method for obtaining key parameters for pollutant transportations under coupling effects of temperature and hydrodynamics based on site4 Jun 2026US 2026/0154479 A1Hohai University
Most cited
By later US patents
- Method for measuring diffusivities of compounds using microchips106US 7,039,527 B2Caliper Life Sciences, Inc. · 2006
- Method for determining diffusivity and molecular weight in a microfluidic device106US 7,099,778 B2Caliper Life Sciences, Inc. · 2006
- Diffusion cell25US 5,198,109 AHanson Research Corporation · 1993
- Portable vapor diffusion coefficient meter23US 7,229,593 B1Sandia Corporation · 2007
- Optical assembly and method for detection of light transmission22US 7,262,847 B2Paraytec Limited · 2007