G01N 27/403
Cells and electrode assemblies
G01N27/403 (Cells and electrode assemblies) appears on 6,576 US grants and 6,431 published applications in this corpus.
Search patents in G01N- Granted patents
- 6,576
- Published applications
- 6,431
- Assignees
- 1,985
- Inventors
- 11,233
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 43 | 0 |
| 1978 | 50 | 0 |
| 1979 | 59 | 0 |
| 1980 | 74 | 0 |
| 1981 | 79 | 0 |
| 1982 | 72 | 0 |
| 1983 | 63 | 0 |
| 1984 | 58 | 0 |
| 1985 | 69 | 0 |
| 1986 | 70 | 0 |
| 1987 | 83 | 0 |
| 1988 | 83 | 0 |
| 1989 | 109 | 0 |
| 1990 | 88 | 0 |
| 1991 | 74 | 0 |
| 1992 | 65 | 0 |
| 1993 | 67 | 0 |
| 1994 | 87 | 0 |
| 1995 | 78 | 0 |
| 1996 | 68 | 0 |
| 1997 | 70 | 0 |
| 1998 | 101 | 0 |
| 1999 | 91 | 0 |
| 2000 | 97 | 0 |
| 2001 | 124 | 40 |
| 2002 | 126 | 150 |
| 2003 | 112 | 142 |
| 2004 | 100 | 146 |
| 2005 | 83 | 193 |
| 2006 | 69 | 166 |
| 2007 | 88 | 206 |
| 2008 | 96 | 154 |
| 2009 | 87 | 192 |
| 2010 | 105 | 211 |
| 2011 | 128 | 239 |
| 2012 | 148 | 258 |
| 2013 | 194 | 226 |
| 2014 | 239 | 328 |
| 2015 | 230 | 332 |
| 2016 | 238 | 364 |
| 2017 | 288 | 374 |
| 2018 | 269 | 368 |
| 2019 | 303 | 398 |
| 2020 | 336 | 416 |
| 2021 | 285 | 351 |
| 2022 | 240 | 314 |
| 2023 | 223 | 278 |
| 2024 | 209 | 254 |
| 2025 | 241 | 190 |
| 2026 | 184 | 141 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 27/406Cells and probes with solid electrolytes3,104
- G01N 27/414Ion-sensitive or chemical field-effect transistors, i.e. isfets or chemfets2,209
- G01N 27/404Cells with anode, cathode and cell electrolyte on the same side of862
- G01N 27/4035Combination of a single ion-sensing electrode and a single reference electrode201
- G01N 27/413Concentration cells using liquid electrolytes measuring currents or voltages in voltaic cells121
Recent patents
- Sensor element6 Oct 2026US 12,754,161 B2NGK Insulators, Ltd.
- Biosensor based on metal oxide thin film transistor and manufacturing method for the same6 Oct 2026US 12,754,162 B2Ajou University Industry-Academic Cooperation Foundation
- Electrically-driven organic color-center-based single-photon sources and sensors6 Oct 2026US 12,757,571 B2University of Maryland, College Park
- Gas sensor29 Sep 2026US 12,748,070 B2NGK Insulators, Ltd.
- Semiconductor device for determining a biomolecule characteristic29 Sep 2026US 12,748,098 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Bio-field-effect transistor with enhanced temporal stability8 Oct 2026US 2026/0309672 A1International Business Machines Corporation
- Drilling system for lithium recovery1 Oct 2026US 2026/0298070 A1Saudi Arabian Oil Company
- Aluminum ion sensor and method to detect aluminum ion concentration1 Oct 2026US 2026/0298865 A1The American University in Cairo
- Gas sensor based on thiophene-based high performance organic semiconducting materials with large surface area vertical device design1 Oct 2026US 2026/0298866 A1Corning Incorporated
- Biological material sensing semiconductor device1 Oct 2026US 2026/0298867 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Strip electrode including screen printing of a single layer1,163US 5,509,410 AMedisense, Inc. · 1996
- Transparent multi-oxygen sensor array and method of using same966US 4,781,798 AThe Regents of the University of California · 1988
- Strip electrode with screen printing893US 5,820,551 A1998
- Apparatus for electrochemical measurements768US 4,571,292 ACase Western Reserve University · 1986
- Strip electrode with screen printing660US 5,682,884 AMedisense, Inc. · 1997