Volume measuring structure for cylinder block and cylinder head for engine
US-2016369691-A1 · Dec 22, 2016 · US
by monitoring pressure in cylinders
by monitoring pressure in cylinders · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M15/08 |
| Official title | by monitoring pressure in cylinders |
| Display label | by monitoring pressure in cylinders |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 32 |
| 2017 | 42 |
| 2018 | 31 |
| 2019 | 29 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for ascertaining an offset of an output signal of an evaluation circuit integrated in a sensor, preferably of a pressure sensor installed in a combustion chamber of an internal combustion engine, and sensor
US-9518888-B2 · Dec 13, 2016 · US
Combustion status detection device for internal combustion engine
US-2016333781-A1 · Nov 17, 2016 · US
Internal combustion engine inner-cylinder pressure estimation apparatus
US-9494489-B2 · Nov 15, 2016 · US
Diagnostic system for internal combustion engine
US-2016312727-A1 · Oct 27, 2016 · US
Device for detecting a pressure, in particular a combustion chamber pressure of an internal combustion engine
US-9476796-B2 · Oct 25, 2016 · US
Pressure sensor
US-2016299024-A1 · Oct 13, 2016 · US
Method and device for determining a signal offset between a crankshaft angle signal and a combustion chamber pressure signal in an internal combustion engine
US-2016258367-A1 · Sep 8, 2016 · US
Control apparatus and control method for internal combustion engine
US-2016252020-A1 · Sep 1, 2016 · US
Pressure measurement system for engine
US-2016252429-A1 · Sep 1, 2016 · US
PRESSURE SENSOR WITH A MEMBRANE APPLIED ON THE PRESSURE CHAMBER SIDE AND USE OF SUCH A PRESSURE SENSOR (As Amended)
US-2016245721-A1 · Aug 25, 2016 · US
Ceramic glow plug equipped with pressure sensor
US-9422913-B2 · Aug 23, 2016 · US
Pressure sensor
US-2016238485-A1 · Aug 18, 2016 · US
Fuel injection valve with cylinder internal pressure sensor
US-2016208755-A1 · Jul 21, 2016 · US
Diagnostic method for a compressor recirculation valve
US-2016160747-A1 · Jun 9, 2016 · US
Laser system for measuring internal cylinder pressure
US-2016161368-A1 · Jun 9, 2016 · US
Combustion state parameter calculation method for internal combustion engine
US-2016146703-A1 · May 26, 2016 · US
Two-Dimensional Igniter For Testing In-Cylinder Gas Velocity And/Or Gas Composition
US-2016146177-A1 · May 26, 2016 · US
Method and systems for exhaust gas recirculation valve diagnosis based on crankcase pressure
US-2016138526-A1 · May 19, 2016 · US
Detection apparatus for at least one of temperature and pressure in a cylinder of an internal combustion engine
US-2016115830-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M15/08?
- CPC G01M15/08 is the Cooperative Patent Classification code for “by monitoring pressure in cylinders.”
- How many patents are filed under CPC G01M15/08 (by monitoring pressure in cylinders)?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC G01M15/08 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).