G01R 31/2829
Testing of circuits in sensor or actuator systems
Official title: {Testing of circuits in sensor or actuator systems (testing of apparatus for measuring electric or magnetic variables G01R35/00; testing of indicating or recording apparatus G01D; in airbag systems B60R21/0173; checking gas analysers G01N33/007; monitoring or fail-safe circuits for electromagnets H01F7/1844)}
G01R31/2829 (Testing of circuits in sensor or actuator systems) appears on 754 US grants and 697 published applications in this corpus.
Search patents in G01R- Granted patents
- 754
- Published applications
- 697
- Assignees
- 456
- Inventors
- 1,797
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 2 |
| 2002 | 18 | 15 |
| 2003 | 13 | 9 |
| 2004 | 13 | 8 |
| 2005 | 11 | 9 |
| 2006 | 8 | 19 |
| 2007 | 10 | 11 |
| 2008 | 15 | 21 |
| 2009 | 14 | 20 |
| 2010 | 11 | 26 |
| 2011 | 18 | 17 |
| 2012 | 19 | 22 |
| 2013 | 17 | 28 |
| 2014 | 16 | 28 |
| 2015 | 17 | 46 |
| 2016 | 41 | 37 |
| 2017 | 54 | 39 |
| 2018 | 43 | 61 |
| 2019 | 47 | 51 |
| 2020 | 41 | 42 |
| 2021 | 51 | 47 |
| 2022 | 39 | 41 |
| 2023 | 33 | 33 |
| 2024 | 48 | 29 |
| 2025 | 16 | 24 |
| 2026 | 25 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for digital diagnosis of a system of actuators in an aircraft undergoing maintenance25 Aug 2026US 12,715,615 B2Safran Nacelles
- Circuit with switch for discharging capacitive elements connected to a safety-related digital input25 Aug 2026US 12,716,936 B2WAGO Verwaltungsgesellschaft mbH
- Battery condition monitoring device and method, and battery protection device25 Aug 2026US 12,716,949 B2LG Energy Solution, Ltd.
- MEMS device measurements using pulse measure unit11 Aug 2026US 12,704,542 B2Kethley Instruments, LLC
- Test arrangement and method for emulating the phase currents of an electric motor for testing a power electronics controller28 Jul 2026US 12,693,331 B2dSPACE GmbH
- Touch sensor apparatus for a medical device, medical device and method for operator control of a touch sensor apparatus for a medical device17 Sep 2026US 2026/0277362 A1Siemens Healthineers AG
- Semiconductor device20 Aug 2026US 2026/0243818 A1Sony Semiconductor Solutions Corporation
- Vehicle data spoofing detection and mitigation9 Jul 2026US 2026/0197343 A1Ford Global Technologies, LLC
- Anomaly detection method, anomaly detection system, sensor and electronic device21 May 2026US 2026/0140150 A1Asahi Kasei Microdevices Corporation
- Sensor monitoring for system die21 May 2026US 2026/0144144 A1Advanced Micro Devices, Inc.
Most cited
By later US patents
- Reusable test unit for simulating electrochemical sensor signals for quality assurance of portable blood analyzer instruments223US 5,124,661 AI-Stat Corporation · 1992
- Device and method for monitoring the condition of a thermocouple196US 6,344,747 B12002
- Adapter cable for connecting a pulsoximetry sensor unit to a medical measuring device164US 5,287,853 AHewlett-Packard Company · 1994
- Instrument performance verification system132US 5,781,024 ADiametrics Medical, Inc. · 1998
- Sensor fault detection by activity monitoring128US 4,337,516 AUnited Technologies Corporation · 1982