Methods and systems for encoder synchronization using spark and fuel modification
US-9835521-B1 · Dec 5, 2017 · US
by combined monitoring of two or more different engine parameters
by combined monitoring of two or more different engine parameters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M15/05 |
| Official title | by combined monitoring of two or more different engine parameters |
| Display label | by combined monitoring of two or more different engine parameters |
| Total patents | 358 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 24 |
| 2017 | 42 |
| 2018 | 37 |
| 2019 | 26 |
| 2020 | 48 |
| 2021 | 37 |
| 2022 | 39 |
| 2023 | 23 |
| 2024 | 29 |
| 2025 | 20 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Testing unit for testing a multi-cylinder engine
US-9804056-B2 · Oct 31, 2017 · US
Control system having piston rim damage counting
US-2017284897-A1 · Oct 5, 2017 · US
Wireless engine monitoring system for environmental emission control and aircraft networking
US-2017259942-A1 · Sep 14, 2017 · US
Heater-actuated flow bypass
US-2017254250-A1 · Sep 7, 2017 · US
Virtual sensing system
US-2017256104-A1 · Sep 7, 2017 · US
Susceptor for use in a fluid flow system
US-2017254249-A1 · Sep 7, 2017 · US
Dual-purpose heater and fluid flow measurement system
US-2017254242-A1 · Sep 7, 2017 · US
Back-up and restoration of data between volatile and flash memory
US-2017220276-A1 · Aug 3, 2017 · US
Control system for internal combustion engine
US-2017145903-A1 · May 25, 2017 · US
Method for monitoring operational parameters in an internal combustion engine
US-9631568-B2 · Apr 25, 2017 · US
Back-up and restoration of data between volatile and flash memory
US-2017046081-A1 · Feb 16, 2017 · US
Fault diagnosis method of thermostat
US-2017023439-A1 · Jan 26, 2017 · US
Systems and methods for detection of engine component conditions via external sensors
US-2016377500-A1 · Dec 29, 2016 · US
Cylinder head acceleration measurement for valve train diagnostics system and method
US-2016370254-A1 · Dec 22, 2016 · US
Method for monitoring a subsystem installed in a motor vehicle
US-9513191-B2 · Dec 6, 2016 · US
Method of optimizing supercharger performance
US-2016319817-A1 · Nov 3, 2016 · US
Abnormality diagnosis device and an abnormality diagnosis method for a variable valve mechanism
US-9458776-B2 · Oct 4, 2016 · US
Technical testing method
US-2016273490-A1 · Sep 22, 2016 · US
Methods and systems to derive health of mating cylinder using knock sensors
US-2016258378-A1 · Sep 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M15/05?
- CPC G01M15/05 is the Cooperative Patent Classification code for “by combined monitoring of two or more different engine parameters.”
- How many patents are filed under CPC G01M15/05 (by combined monitoring of two or more different engine parameters)?
- Our database includes 358 publications tagged with this CPC code.
- Is patent activity under CPC G01M15/05 growing?
- Publication counts under this code: 29 in 2024 vs 20 in 2025 (latest complete years).