G01N 27/4035
Combination of a single ion-sensing electrode and a single reference electrode
Official title: {Combination of a single ion-sensing electrode and a single reference electrode (G01N27/406 and G01N27/413 take precedence)}
G01N27/4035 (Combination of a single ion-sensing electrode and a single reference electrode) appears on 201 US grants and 202 published applications in this corpus.
Search patents in G01N- Granted patents
- 201
- Published applications
- 202
- Assignees
- 141
- Inventors
- 537
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 5 |
| 2003 | 1 | 7 |
| 2004 | 5 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 7 |
| 2007 | 3 | 6 |
| 2008 | 2 | 10 |
| 2009 | 2 | 9 |
| 2010 | 5 | 6 |
| 2011 | 5 | 7 |
| 2012 | 5 | 8 |
| 2013 | 4 | 4 |
| 2014 | 6 | 8 |
| 2015 | 7 | 8 |
| 2016 | 4 | 6 |
| 2017 | 7 | 13 |
| 2018 | 8 | 10 |
| 2019 | 4 | 10 |
| 2020 | 9 | 17 |
| 2021 | 4 | 9 |
| 2022 | 9 | 15 |
| 2023 | 11 | 5 |
| 2024 | 8 | 15 |
| 2025 | 8 | 7 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printed potentiometric sensors to measure ion concentration in soil25 Aug 2026US 12,716,860 B2The Regents of the University of California
- Sensor assembly with wicking member for liquid junction wet up18 Aug 2026US 12,710,396 B2Siemens Healthcare Diagnostics Inc.
- Ion concentration probe with enhanced shielding16 Jun 2026US 12,656,289 B2Thermo Orion Inc.
- Methods of determining viable cell count and impedance-based biosensors for the same28 Apr 2026US 12,613,219 B2Georgia Tech Research Corporation
- Portable electrochemical nutrient testing device for soil health monitoring21 Apr 2026US 12,607,597 B2
- Drilling system for lithium recovery1 Oct 2026US 2026/0298070 A1Saudi Arabian Oil Company
- Combination Electrode Having a Hydrogel Diaphragm4 Jun 2026US 2026/0153473 A1Hamilton Bonaduz AG
- Single-rod measuring cell and sensor containing the single-rod measuring cell for sterile applications22 Jan 2026US 2026/0023043 A1Endress+Hauser Conducta GmbH+Co. KG
- Device And Method For Detecting Miniature Targets In A Fluid Sample13 Nov 2025US 2025/0347649 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Electrode assembly of ph meter2 Oct 2025US 2025/0305980 A1Luh Cherng Enterprise Co., Ltd.
Most cited
By later US patents
- Strip electrode including screen printing of a single layer1,163US 5,509,410 AMedisense, Inc. · 1996
- Strip electrode with screen printing893US 5,820,551 A1998
- Strip electrode with screen printing660US 5,682,884 AMedisense, Inc. · 1997
- Strip electrode with screen printing524US 5,727,548 AMedisense, Inc. · 1998
- Chemical selective sensors utilizing admittance modulated membranes518US 4,776,944 A1988