Internal Combustion Engine Control Device and Ignition Device
US-2022325687-A1 · Oct 13, 2022 · US
Estimation of engine temperature
Estimation of engine temperature · 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 | F02D2200/022 |
| Official title | Estimation of engine temperature |
| Display label | Estimation of engine temperature |
| 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 | 4 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for controlling airflow through cylinders of an engine during a deceleration fuel cutoff event
US-11156179-B1 · Oct 26, 2021 · US
Temperature acquisition apparatus for internal combustion engine
US-2021301741-A1 · Sep 30, 2021 · US
Combustion abnormality detecting device and non-transitory computer-readable storage medium
US-11118526-B2 · Sep 14, 2021 · US
Control device for compression self-ignition engine
US-11092108-B2 · Aug 17, 2021 · US
Control device for compression self-ignition engine
US-2021172397-A1 · Jun 10, 2021 · US
Method and system for determining thermal state
US-10995688-B2 · May 4, 2021 · US
Methods and systems for determining fuel quality
US-10982614-B2 · Apr 20, 2021 · US
Internal combustion engine, state determination system for internal combustion engine, data analysis device, and control device for internal combustion engine
US-2021095610-A1 · Apr 1, 2021 · US
Method and system for exhaust gas recirculation and heat recovery
US-10941721-B2 · Mar 9, 2021 · US
Boosted engine with boost controller and control unit
US-10914247-B2 · Feb 9, 2021 · US
Internal combustion engine control device
US-10890132-B2 · Jan 12, 2021 · US
Method and system for determing thermal state
US-2020386179-A1 · Dec 10, 2020 · US
Internal combustion engine control device
US-2020370493-A1 · Nov 26, 2020 · US
Premixed compression ignition engine system
US-10830186-B2 · Nov 10, 2020 · US
Supercharging device for engine
US-10801424-B2 · Oct 13, 2020 · US
Combustion abnormality detecting device and non-transitory computer-readable storage medium
US-2020309056-A1 · Oct 1, 2020 · US
Internal combustion engine
US-10767549-B2 · Sep 8, 2020 · US
Protecting an engine in automatic stop/start applications
US-10753334-B2 · Aug 25, 2020 · US
Apparatus for controlling torque control feedback and uses thereof
US-10724459-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D2200/022?
- CPC F02D2200/022 is the Cooperative Patent Classification code for “Estimation of engine temperature.”
- How many patents are filed under CPC F02D2200/022 (Estimation of engine temperature)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC F02D2200/022 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).