Systems and methods for exhaust gas recirculation
US-2022403803-A1 · Dec 22, 2022 · US
with two or more EGR valves disposed in parallel
with two or more EGR valves disposed in parallel · 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 | F02M26/38 |
| Official title | with two or more EGR valves disposed in parallel |
| Display label | with two or more EGR valves disposed in parallel |
| 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 | 13 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine system
US-2022341380-A1 · Oct 27, 2022 · US
Internal combustion engine system operable in at least two operating modes
US-2022333560-A1 · Oct 20, 2022 · US
Systems and methods for exhaust gas recirculation
US-11454180-B1 · Sep 27, 2022 · US
Engine secondary air and EGR system and method
US-11391249-B2 · Jul 19, 2022 · US
Exhaust gas recirculation system for a vehicle engine
US-11225936-B1 · Jan 18, 2022 · US
Exhaust gas recirculation control systems and methods
US-11181062-B2 · Nov 23, 2021 · US
Boosted engine
US-2021310446-A1 · Oct 7, 2021 · US
Dual element engine gas valve
US-11022079-B1 · Jun 1, 2021 · US
Internal combustion engine system for exhaust gas recovery
US-11022055-B2 · Jun 1, 2021 · US
Exhaust Gas Recirculation Control Systems and Methods
US-2021148294-A1 · May 20, 2021 · US
Exhaust gas recirculation cooler
US-10900445-B2 · Jan 26, 2021 · US
Exhaust manifold with integrated exhaust gas recirculation valve
US-2020400108-A1 · Dec 24, 2020 · US
Carburetor and handheld work apparatus including a combustion engine having said carburetor
US-10801444-B2 · Oct 13, 2020 · US
Systems and methods for a split exhaust engine system
US-10731573-B2 · Aug 4, 2020 · US
Carburetor and handheld work apparatus including a combustion engine having said carburetor
US-2019383235-A1 · Dec 19, 2019 · US
Exhaust gas recirculation cooler
US-2019145358-A1 · May 16, 2019 · US
Method and apparatus for operating an internal combustion engine employing first and second EGR flowpaths
US-10208716-B2 · Feb 19, 2019 · US
Systems and methods for a split exhaust engine system
US-2019032579-A1 · Jan 31, 2019 · US
Control method of engine system
US-10190513-B2 · Jan 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M26/38?
- CPC F02M26/38 is the Cooperative Patent Classification code for “with two or more EGR valves disposed in parallel.”
- How many patents are filed under CPC F02M26/38 (with two or more EGR valves disposed in parallel)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC F02M26/38 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).