Method for estimating the atmospheric pressure of an internal combustion engine
US-12442343-B2 · Oct 14, 2025 · US
Estimation of atmospheric pressure
Estimation of atmospheric pressure · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D2200/704 |
| Official title | Estimation of atmospheric pressure |
| Display label | Estimation of atmospheric pressure |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compression ignition engine, commercial vehicle, and method for improving starting behaviour
US-12416273-B2 · Sep 16, 2025 · US
Method for estimating the atmospheric pressure of an internal combustion engine
US-2025243822-A1 · Jul 31, 2025 · US
Compression ignition engine, commercial vehicle, and method for improving starting behaviour
US-2025052209-A1 · Feb 13, 2025 · US
Methods and system for overcoming a degraded barometric pressure sensor
US-11852085-B2 · Dec 26, 2023 · US
Methods and system for overcoming a degraded barometric pressure sensor
US-2023220806-A1 · Jul 13, 2023 · US
Method for controlling an internal combustion engine with learning of atmospheric pressure
US-11415072-B2 · Aug 16, 2022 · US
Method for controlling an internal combustion engine with learning of atmospheric pressure
US-2022018303-A1 · Jan 20, 2022 · US
Systems and methods for intelligent vehicle evaporative emissions diagnostics
US-10718282-B2 · Jul 21, 2020 · US
Air charge determination method, engine control unit and internal combustion engine
US-10557422-B2 · Feb 11, 2020 · US
Systems and methods for inferring barometric pressure
US-10210673-B2 · Feb 19, 2019 · US
Systems and methods for intelligent vehicle evaporative emissions diagnostics
US-2019017453-A1 · Jan 17, 2019 · US
Method for determining atmospheric pressure during the operation, in a partial load state, of a turbocharged engine
US-10100756-B2 · Oct 16, 2018 · US
Method to classify system performance and detect environmental information
US-2018293814-A1 · Oct 11, 2018 · US
Control apparatus and control method for internal combustion engine
US-10018531-B2 · Jul 10, 2018 · US
Systems and methods for inferring barometric pressure
US-2018171902-A1 · Jun 21, 2018 · US
Air charge determination method, engine control unit and internal combustion engine
US-2018100451-A1 · Apr 12, 2018 · US
Methods and systems for estimating ambient pressure using an oxygen sensor
US-9926872-B2 · Mar 27, 2018 · US
System for correcting engine torque and method of correcting engine torque
US-2018080403-A1 · Mar 22, 2018 · US
Vessel propulsion apparatus
US-9914520-B2 · Mar 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D2200/704?
- CPC F02D2200/704 is the Cooperative Patent Classification code for “Estimation of atmospheric pressure.”
- How many patents are filed under CPC F02D2200/704 (Estimation of atmospheric pressure)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F02D2200/704 growing?
- Publication counts under this code: 2 in 2023 vs 4 in 2025 (latest complete years).