G01N 27/30
Electrodes
Official title: Electrodes, e.g. test electrodes; Half-cells (G01N27/414 takes precedence)
G01N27/30 (Electrodes) appears on 5,449 US grants and 7,114 published applications in this corpus.
Search patents in G01N- Granted patents
- 5,449
- Published applications
- 7,114
- Assignees
- 2,165
- Inventors
- 11,508
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 19 | 0 |
| 1978 | 20 | 0 |
| 1979 | 18 | 0 |
| 1980 | 29 | 0 |
| 1981 | 26 | 0 |
| 1982 | 20 | 0 |
| 1983 | 23 | 0 |
| 1984 | 25 | 0 |
| 1985 | 35 | 0 |
| 1986 | 28 | 0 |
| 1987 | 29 | 0 |
| 1988 | 26 | 0 |
| 1989 | 42 | 0 |
| 1990 | 50 | 0 |
| 1991 | 27 | 0 |
| 1992 | 42 | 0 |
| 1993 | 37 | 0 |
| 1994 | 35 | 0 |
| 1995 | 46 | 0 |
| 1996 | 31 | 0 |
| 1997 | 20 | 0 |
| 1998 | 25 | 0 |
| 1999 | 29 | 0 |
| 2000 | 37 | 0 |
| 2001 | 43 | 11 |
| 2002 | 39 | 66 |
| 2003 | 55 | 102 |
| 2004 | 52 | 146 |
| 2005 | 59 | 150 |
| 2006 | 66 | 123 |
| 2007 | 42 | 127 |
| 2008 | 63 | 158 |
| 2009 | 71 | 213 |
| 2010 | 103 | 275 |
| 2011 | 140 | 223 |
| 2012 | 180 | 246 |
| 2013 | 209 | 308 |
| 2014 | 250 | 436 |
| 2015 | 275 | 411 |
| 2016 | 251 | 366 |
| 2017 | 302 | 391 |
| 2018 | 272 | 394 |
| 2019 | 307 | 451 |
| 2020 | 305 | 419 |
| 2021 | 305 | 395 |
| 2022 | 256 | 370 |
| 2023 | 288 | 365 |
| 2024 | 252 | 374 |
| 2025 | 265 | 317 |
| 2026 | 266 | 277 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 27/327Biochemical electrodes3,620
- G01N 27/333Ion-selective electrodes or membranes722
- G01N 27/301Reference electrodes436
- G01N 27/308At least partially made of carbon311
- G01N 27/307Disposable laminated or multilayered electrodes214
- G01N 27/302Ph sensitive210
- G01N 27/36Glass electrodes157
- G01N 27/38Cleaning of electrodes126
Recent patents
- Electrically patterned polycrystalline diamond compact for sensing applications6 Oct 2026US 12,754,083 B2Schlumberger Technology Corporation
- Electrochemical sensor having an alkaline earth-modified electrolyte formulation6 Oct 2026US 12,754,157 B2Hamilton Company
- Single-cell-based electrochemical sensor based on functionalized nano-probe and application thereof6 Oct 2026US 12,754,158 B2Jiangnan University
- Sample measurement device, sample measurement method, and sample measurement program6 Oct 2026US 12,754,159 B2Phc Holdings Corporation
- Self-calibrated electrochemical sensors6 Oct 2026US 12,754,160 B2Virginia Commonwealth University
- Electrocardiography patch8 Oct 2026US 2026/0306001 A1Bardy Diagnostics, Inc.
- A system for identifying microbial growth8 Oct 2026US 2026/0308657 A1Microplate Dx Ltd.
- Electrochemical method and sensor for pfas detection8 Oct 2026US 2026/0309668 A1B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Analyte sensors and sensing methods for detecting creatinine8 Oct 2026US 2026/0309669 A1Abbott Diabetes Care Inc.
- Diffusion resistance layer for analyte sensors8 Oct 2026US 2026/0309670 A1DexCom, Inc.
Most cited
By later US patents
- Method of fabricating thin film sensors2,095US 5,391,250 AMiniMed Inc. · 1995
- Process for producing an electrochemical biosensor1,891US 6,103,033 ATheraSense, Inc. · 2000
- Method of using a small volume in vitro analyte sensor1,793US 6,120,676 ATheraSense, Inc. · 2000
- Small volume in vitro analyte sensor1,656US 6,143,164 AE. Heller & Company · 2000
- Small volume in vitro analyte sensor with diffusible or non-leachable redox mediator1,613US 6,591,125 B1TheraSense, Inc. · 2003