G01R 31/006
On road vehicles
Official title: {on road vehicles, e.g. automobiles or trucks (testing of ignition installations peculiar to internal combustion engines F02P17/00)}
G01R31/006 (On road vehicles) appears on 1,970 US grants and 1,850 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,970
- Published applications
- 1,850
- Assignees
- 706
- Inventors
- 4,329
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 14 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 23 | 0 |
| 1990 | 22 | 0 |
| 1991 | 28 | 0 |
| 1992 | 24 | 0 |
| 1993 | 12 | 0 |
| 1994 | 24 | 0 |
| 1995 | 29 | 0 |
| 1996 | 31 | 0 |
| 1997 | 33 | 0 |
| 1998 | 40 | 0 |
| 1999 | 27 | 0 |
| 2000 | 24 | 0 |
| 2001 | 42 | 9 |
| 2002 | 32 | 17 |
| 2003 | 24 | 32 |
| 2004 | 24 | 23 |
| 2005 | 20 | 36 |
| 2006 | 26 | 40 |
| 2007 | 19 | 34 |
| 2008 | 37 | 47 |
| 2009 | 27 | 41 |
| 2010 | 33 | 43 |
| 2011 | 21 | 38 |
| 2012 | 32 | 36 |
| 2013 | 35 | 67 |
| 2014 | 38 | 65 |
| 2015 | 54 | 96 |
| 2016 | 73 | 107 |
| 2017 | 101 | 103 |
| 2018 | 96 | 94 |
| 2019 | 108 | 106 |
| 2020 | 108 | 121 |
| 2021 | 104 | 99 |
| 2022 | 89 | 131 |
| 2023 | 92 | 144 |
| 2024 | 123 | 133 |
| 2025 | 122 | 121 |
| 2026 | 66 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Monitoring device for a high-voltage onboard electrical system, and method for operating a monitoring device6 Oct 2026US 12,754,224 B2Infineon Technologies AG
- Systems and methods for monitoring vehicle diagnostics29 Sep 2026US 12,749,354 B2United Parcel Service of America, Inc.
- Integrated active isolation measurement22 Sep 2026US 12,742,804 B2Infineon Technologies AG
- System and method for diagnosing vehicle power distribution using battery-terminal and ECU-reported voltage correlation22 Sep 2026US 12,742,833 B1Innova Electronics Corporation
- Method and device for determining a semiconductor temperature of a semiconductor element, converter, electric axel drive, and motor vehicle15 Sep 2026US 12,736,416 B2ZF Friedrichshafen AG
- Connector health monitoring system8 Oct 2026US 2026/0307515 A1TE Connectivity Solutions GmbH
- System for detecting circuit anomalies in trailer wiring8 Oct 2026US 2026/0309762 A1Grote Industries, Inc.
- Intelligent high voltage interlock loop with individualized detection of connector connectivity1 Oct 2026US 2026/0296202 A1Fisker IP/Austria Assets Trust
- System and method for inspection of car electromagnetic actuators using a scan tool1 Oct 2026US 2026/0298995 A1Innova Electronics Corporation
- Trailer lighting monitoring, inspection, diagnostic, and compliance system24 Sep 2026US 2026/0285226 A1
Most cited
By later US patents
- Modular wireless diagnostic test and information system394US 5,884,202 AHewlett-Packard Company · 1999
- Interactive diagnostic system for an automotive vehicle, and method328US 5,214,582 AEdge Diagnostic Systems · 1993
- Battery condition monitor and monitoring method304US 4,678,998 ANissan Motor Co., Ltd. · 1987
- Automotive battery status monitor281US 5,281,919 AAlliedSignal Inc. · 1994
- System and method for monitoring a vehicle battery281US 6,424,157 B1AlliedSignal Inc. · 2002