G01M 15/00
Testing of engines
G01M15/00 (Testing of engines) appears on 4,480 US grants and 4,222 published applications in this corpus.
Search patents in G01M- Granted patents
- 4,480
- Published applications
- 4,222
- Assignees
- 1,199
- Inventors
- 9,512
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 33 | 0 |
| 1978 | 32 | 0 |
| 1979 | 20 | 0 |
| 1980 | 13 | 0 |
| 1981 | 27 | 0 |
| 1982 | 13 | 0 |
| 1983 | 30 | 0 |
| 1984 | 37 | 0 |
| 1985 | 26 | 0 |
| 1986 | 24 | 0 |
| 1987 | 28 | 0 |
| 1988 | 16 | 0 |
| 1989 | 22 | 0 |
| 1990 | 23 | 0 |
| 1991 | 28 | 0 |
| 1992 | 33 | 0 |
| 1993 | 51 | 0 |
| 1994 | 53 | 0 |
| 1995 | 65 | 0 |
| 1996 | 79 | 0 |
| 1997 | 56 | 0 |
| 1998 | 72 | 0 |
| 1999 | 59 | 0 |
| 2000 | 39 | 0 |
| 2001 | 62 | 23 |
| 2002 | 56 | 43 |
| 2003 | 69 | 71 |
| 2004 | 60 | 71 |
| 2005 | 54 | 51 |
| 2006 | 62 | 64 |
| 2007 | 62 | 54 |
| 2008 | 50 | 97 |
| 2009 | 54 | 117 |
| 2010 | 85 | 108 |
| 2011 | 81 | 90 |
| 2012 | 89 | 92 |
| 2013 | 99 | 191 |
| 2014 | 110 | 238 |
| 2015 | 149 | 377 |
| 2016 | 219 | 320 |
| 2017 | 284 | 332 |
| 2018 | 318 | 314 |
| 2019 | 312 | 280 |
| 2020 | 275 | 257 |
| 2021 | 243 | 228 |
| 2022 | 224 | 185 |
| 2023 | 165 | 160 |
| 2024 | 152 | 150 |
| 2025 | 131 | 181 |
| 2026 | 101 | 128 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve event monitoring sensor6 Oct 2026US 12,754,102 B2Resonance Systems, Inc.
- System and method for diagnosing a crankcase ventilation system of an internal combustion engine6 Oct 2026US 12,754,103 B2Volkswagen Aktiengesellschaft
- Gas turbine engine drone inspection system6 Oct 2026US 12,754,546 B2Rtx Corporation
- Gas sensor29 Sep 2026US 12,748,070 B2NGK Insulators, Ltd.
- Multi-sensor devices and systems for evaluating vehicle conditions29 Sep 2026US 12,749,500 B2ACV Auctions Inc.
- Exhaust fume monitoring on autonomous trucks8 Oct 2026US 2026/0309582 A1TORC Robotics, Inc.
- System and method for monitoring a burner associated with an exhaust gas after-treatment apparatus of a vehicle1 Oct 2026US 2026/0298126 A1Ferrari S.P. A.
- Monitoring of an aircraft propulsion system24 Sep 2026US 2026/0285499 A1Safran Helicopter Engines
- Fuel nozzle monitoring appratus and method24 Sep 2026US 2026/0285503 A1Pratt & Whitney Canada Corp.
- Exhaust duct of a turbine test bench comprising a double tube24 Sep 2026US 2026/0286865 A1
Most cited
By later US patents
- Internet-based vehicle-diagnostic system567US 6,611,740 B2NetworkCar · 2003
- Wireless diagnostic system for vehicles522US 6,732,031 B1Reynolds and Reynolds Holdings, Inc. · 2004
- Wireless diagnostic system and method for monitoring vehicles493US 6,636,790 B1Reynolds and Reynolds Holdings, Inc. · 2003
- Modular wireless diagnostic test and information system394US 5,884,202 AHewlett-Packard Company · 1999
- Analysis and profiling of vehicle fleet data378US 6,505,106 B1International Business Machines Corporation · 2003