G01N 27/4163
Checking the operation of, or calibrating, the measuring apparatus
Official title: {checking the operation of, or calibrating, the measuring apparatus (G01N27/3274, G01N27/4175 and G01N33/0006 take precedence)}
G01N27/4163 (Checking the operation of, or calibrating, the measuring apparatus) appears on 635 US grants and 656 published applications in this corpus.
Search patents in G01N- Granted patents
- 635
- Published applications
- 656
- Assignees
- 354
- Inventors
- 1,393
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 8 | 5 |
| 2003 | 5 | 11 |
| 2004 | 5 | 9 |
| 2005 | 7 | 7 |
| 2006 | 5 | 14 |
| 2007 | 7 | 6 |
| 2008 | 1 | 11 |
| 2009 | 4 | 15 |
| 2010 | 7 | 9 |
| 2011 | 14 | 16 |
| 2012 | 5 | 16 |
| 2013 | 13 | 39 |
| 2014 | 18 | 22 |
| 2015 | 24 | 38 |
| 2016 | 28 | 31 |
| 2017 | 35 | 57 |
| 2018 | 34 | 52 |
| 2019 | 46 | 41 |
| 2020 | 32 | 50 |
| 2021 | 36 | 33 |
| 2022 | 35 | 35 |
| 2023 | 34 | 35 |
| 2024 | 26 | 43 |
| 2025 | 29 | 37 |
| 2026 | 36 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-calibrated electrochemical sensors6 Oct 2026US 12,754,160 B2Virginia Commonwealth University
- Neurotransmitter concentration measuring apparatus for providing second derivative-based neurotransmitter concentration measurement result of fast-scan cyclic voltammetry data and method thereof22 Sep 2026US 12,742,748 B2Daegu Gyeongbuk Institute of Science and Technology
- Systems, sensor assemblies and methods22 Sep 2026US 12,742,749 B2Analog Devices International Unlimited Company
- Circuitry for measurement of electrochemical cells15 Sep 2026US 12,736,499 B2Cirrus Logic, Inc.
- Electrochemical sensor measurement unit8 Sep 2026US 12,730,089 B2NXP B. V.
- Dynamic end-point total organic fluoride measurement24 Sep 2026US 2026/0287546 A1Hach Company
- Electrochemical-sensing apparatus and method therefor17 Sep 2026US 2026/0276577 A1Cardiai Technologies Ltd.
- Electrochemical process measurement arrangement17 Sep 2026US 2026/0276582 A1Hach Lange GmbH
- Gas sensor10 Sep 2026US 2026/0266758 A1FaradaIC Sensors GmbH
- Enzymatic cleaner for an automated clinical analyzer and methods of use thereof13 Aug 2026US 2026/0234511 A1Siemens Healthcare Diagnostics Inc.
Most cited
By later US patents
- Functional monitoring of an electrolytic gas sensor having three electrodes, and hazard alarm and gas measuring device248US 9,360,449 B2Siemens Aktiengesellschaft · 2016
- Transmission antenna array system with predistortion207US 6,697,436 B1PMC-Sierra, Inc. · 2004
- Method of making an electrochemical sensing cell204US 4,534,825 ACordis Europa N.V. · 1985
- Method of fluid delivery and collection192US 5,431,174 AVia Medical Corporation · 1995
- Universal sensor cartridge for use with a universal analyzer for sensing components in a multicomponent fluid186US 5,004,583 AMedTest Systems, Inc. · 1991