G01N 27/304
Gas permeable electrodes
Official title: {Gas permeable electrodes}
G01N27/304 (Gas permeable electrodes) appears on 57 US grants and 72 published applications in this corpus.
Search patents in G01N- Granted patents
- 57
- Published applications
- 72
- Assignees
- 60
- Inventors
- 194
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 6 |
| 2017 | 5 | 7 |
| 2018 | 3 | 12 |
| 2019 | 10 | 7 |
| 2020 | 6 | 7 |
| 2021 | 9 | 5 |
| 2022 | 6 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 6 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas sensor element and gas sensor16 Jun 2026US 12,656,299 B2NGK Insulators, Ltd.
- Gas sensor element and gas sensor31 Mar 2026US 12,590,919 B2NGK Insulators, Ltd.
- Electrochemical oxygen sensor and method for manufacturing the same20 Jan 2026US 12,529,674 B2Maxell, Ltd.
- Ion exchange membrane separated two electrode flow analyzer for continuous aqueous electrochemical heavy metal detection22 Jul 2025US 12,365,998 B2UNM Rainforest Innovations
- Method of producing a vapor-permeable and liquid-impermeable porous structure electrode22 Jul 2025US 12,367,990 B2Taiwan Carbon Nano Technology Corporation
- Sensor element, gas sensor, and sensor element manufacturing method10 Sep 2026US 2026/0266754 A1Niterra Co., Ltd.
- Biosensor for measuring partial pressure of oxygen, and preparation method therefor9 Jul 2026US 2026/0194488 A1Leadway (Hk) Limited
- Assay device for electrochemical sensing of a sample fluid29 Jan 2026US 2026/0029364 A1ETH Zurich
- Metal nonwoven fabric and electrode comprising same13 Nov 2025US 2025/0347040 A1Mitsui Mining & Smelting Co., Ltd.
- Electrode and Electrochemical Cell6 Feb 2025US 2025/0046825 A1
Most cited
By later US patents
- Thin film ppb oxygen sensor50US 6,557,393 B1Panametrics, Inc. · 2003
- Polymeric hydrogel-containing gas diffusion electrodes and methods of using the same in electrochemical systems27US 4,614,575 APrototech Company · 1986
- Leak detection unit for refrigerant system17US 10,488,065 B2Carrier Corporation · 2019
- Leak detection unit for refrigerant system15US 11,092,566 B2Carrier Corporation · 2021
- Bio-selective electrode probes using tissue slices12US 4,216,065 AUniversity of Delaware · 1980