G01N 2001/381
By membrane diffusion
Official title: {by membrane diffusion; Permeation tubes}
G01N2001/381 (By membrane diffusion) appears on 21 US grants and 16 published applications in this corpus.
Search patents in G01N- Granted patents
- 21
- Published applications
- 16
- Assignees
- 20
- Inventors
- 66
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- ISFET biosensor21 Apr 2026US 12,607,594 B2Texas Instruments Incorporated
- Method and device for a sand column grouting filtration experimental device3 Feb 2026US 12,540,936 B2Shandong University
- Devices and methods for extraction of analytes3 Dec 2024US 12,158,403 B2The Florida International University Board of Trustees
- Measurement method and measurement device using gas sensor3 Sep 2024US 12,078,627 B2National Institute for Materials Science
- System for humidifying gas streams18 Aug 2020US 10,746,420 B1Elemental Scientific, Inc.
- ISFET Biosensor17 Sep 2026US 2026/0276580 A1Texas Instruments Incorporated
- Measurement of multiple gas concentrations26 Feb 2026US 2026/0056120 A1Schlumberger Technology Corporation
- Devices and methods for extraction of analytes20 Mar 2025US 2025/0093243 A1The Florida International University Board of Trustees
- Method and device for a sand column grouting filtration experimental device19 Dec 2024US 2024/0418700 A1Shandong University
- System for dilution in a device and method for manufacturing the device18 Apr 2024US 2024/0125680 A1Biomerieux
Most cited
By later US patents
- Device and process for mixing a sample and a diluent104US 4,920,060 AHercules Incorporated · 1990
- Liquid chromatographic method and apparatus with hollow fiber device for post-column derivatization33US 4,448,691 AThe Dow Chemical Company · 1984
- Liquid chromatographic method and post-column effluent treatment for detection and separation at optimized pH22US 4,451,374 AThe Dow Chemical Company · 1984
- Liquid chromatographic method and apparatus with membrane for post-column derivatization20US 4,549,965 AThe Dow Chemical Company · 1985
- Method for reagent addition to a flowing liquid carrier stream20US 4,837,161 AThe Dow Chemical Company · 1989