G01N 27/406
Cells and probes with solid electrolytes
G01N27/406 (Cells and probes with solid electrolytes) appears on 3,104 US grants and 2,501 published applications in this corpus.
Search patents in G01N- Granted patents
- 3,104
- Published applications
- 2,501
- Assignees
- 767
- Inventors
- 4,419
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 22 | 0 |
| 1978 | 34 | 0 |
| 1979 | 40 | 0 |
| 1980 | 47 | 0 |
| 1981 | 52 | 0 |
| 1982 | 47 | 0 |
| 1983 | 41 | 0 |
| 1984 | 27 | 0 |
| 1985 | 42 | 0 |
| 1986 | 45 | 0 |
| 1987 | 49 | 0 |
| 1988 | 57 | 0 |
| 1989 | 68 | 0 |
| 1990 | 54 | 0 |
| 1991 | 39 | 0 |
| 1992 | 44 | 0 |
| 1993 | 35 | 0 |
| 1994 | 45 | 0 |
| 1995 | 45 | 0 |
| 1996 | 45 | 0 |
| 1997 | 45 | 0 |
| 1998 | 65 | 0 |
| 1999 | 69 | 0 |
| 2000 | 67 | 0 |
| 2001 | 89 | 32 |
| 2002 | 94 | 102 |
| 2003 | 77 | 101 |
| 2004 | 69 | 94 |
| 2005 | 51 | 97 |
| 2006 | 36 | 76 |
| 2007 | 52 | 103 |
| 2008 | 51 | 76 |
| 2009 | 51 | 106 |
| 2010 | 41 | 75 |
| 2011 | 55 | 78 |
| 2012 | 60 | 65 |
| 2013 | 67 | 80 |
| 2014 | 78 | 97 |
| 2015 | 49 | 118 |
| 2016 | 95 | 129 |
| 2017 | 97 | 144 |
| 2018 | 101 | 154 |
| 2019 | 123 | 135 |
| 2020 | 138 | 158 |
| 2021 | 100 | 125 |
| 2022 | 91 | 98 |
| 2023 | 84 | 86 |
| 2024 | 70 | 72 |
| 2025 | 80 | 64 |
| 2026 | 63 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 27/407For investigating or analysing gases2,442
- G01N 27/4067Means for heating or controlling the temperature of the solid electrolyte439
- G01N 27/4065Circuit arrangements specially adapted therefor426
- G01N 27/4062Electrical connectors associated therewith172
- G01N 27/411For investigating or analysing of liquid metals119
Recent patents
- Sensor element6 Oct 2026US 12,754,161 B2NGK Insulators, Ltd.
- Gas sensor29 Sep 2026US 12,748,070 B2NGK Insulators, Ltd.
- Gas sensor22 Sep 2026US 12,742,747 B2Niterra Co., Ltd.
- Rapid airborne viral sensor and methods related thereto8 Sep 2026US 12,730,087 B2Texas Tech University System
- Membrane with biodegradable polymer25 Aug 2026US 12,716,862 B2Roche Diabetes Care, Inc.
- Sensor and device for a sensor comprising gel electrolyte24 Sep 2026US 2026/0287544 A1Mettler-Toledo AG
- Sensor With Long-Term Stability17 Sep 2026US 2026/0276579 A1Siemens Aktiengesellschaft
- Co2 mass estimation system, exhaust gas composition ratio estimation method, and co2 mass estimation method17 Sep 2026US 2026/0276581 A1NGK Insulators, Ltd.
- Sensor element, gas sensor, and sensor element manufacturing method10 Sep 2026US 2026/0266754 A1Niterra Co., Ltd.
- Gas sensor, control device and control method for gas sensor10 Sep 2026US 2026/0266757 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Device for measuring concentration of nitrogen oxide in combustion gas455US 5,034,112 ANissan Motor Co., Ltd. · 1991
- Apparatus for electrolytically determining a species in a fluid and method of use441US 4,076,596 ALeeds & Northrup Company · 1978
- Potential and diffusion controlled solid electrolyte sensor for continuous measurement of very low levels of transdermal alcohol437US 5,944,661 AGiner, Inc. · 1999
- NOx sensor301US 6,773,565 B2Riken · 2004
- Method for determining a NOx concentration281US 6,699,383 B2Siemens Aktiengesellschaft · 2004