Method and control device for determining reliability regarding misfire determination of cylinders of an internal combustion engine
US-11203994-B2 · Dec 21, 2021 · US
{specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines
{specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L23/24 |
| Official title | {specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines |
| Display label | {specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines |
| Total patents | 76 |
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 | 6 |
| 2016 | 6 |
| 2017 | 15 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Membrane, Pressure Sensor System and Method for Producing the Pressure Sensor System
US-2021318192-A1 · Oct 14, 2021 · US
Method and control device for determining reliability regarding misfire determination of cylinders of an internal combustion engine
US-2021270199-A1 · Sep 2, 2021 · US
Controller and control method for internal combustion engine
US-11105280-B2 · Aug 31, 2021 · US
Pressure measurement tool comprising a sheath for installation in a duct of an aircraft engine
US-11099096-B2 · Aug 24, 2021 · US
Diagnosing cylinder pressure sensor gain and offset
US-11060939-B2 · Jul 13, 2021 · US
Controller and control method for internal combustion engine
US-10961924-B2 · Mar 30, 2021 · US
Low-pressure sensor device and use of an inlet connector piece as a fluid inlet for a low-pressure sensor device
US-2021088401-A1 · Mar 25, 2021 · US
Method for the diagnosis of engine misfires in an internal combustion engine
US-2021063280-A1 · Mar 4, 2021 · US
Controller and control method for internal combustion engine
US-2021047972-A1 · Feb 18, 2021 · US
Pressure sensor
US-10788388-B2 · Sep 29, 2020 · US
Systems and methods for determining differential and relative pressure using a controller
US-10697344-B2 · Jun 30, 2020 · US
Diagnostic techniques for a surge valve of a turbocharged engine
US-10690081-B2 · Jun 23, 2020 · US
Pressure measurement tool comprising a sheath for installation in a duct of an aircraft engine
US-2020191676-A1 · Jun 18, 2020 · US
Engine Monitoring Apparatus
US-2020173878-A1 · Jun 4, 2020 · US
Diagnosing cylinder pressure sensor gain and offset
US-2020103303-A1 · Apr 2, 2020 · US
Internal combustion engine, in particular as drive engine for a vehicle
US-10590862-B2 · Mar 17, 2020 · US
Systems and methods for determining differential and relative pressure using a controller
US-2020025054-A1 · Jan 23, 2020 · US
Diagnosing cylinder pressure sensor gain and offset
US-10481033-B2 · Nov 19, 2019 · US
Pressure sensor for measuring a pressure of a fluid medium
US-10429259-B2 · Oct 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01L23/24?
- CPC G01L23/24 is the Cooperative Patent Classification code for “{specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines.”
- How many patents are filed under CPC G01L23/24 ({specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC G01L23/24 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).