Valve opening control apparatus and method of gasoline egr system
US-2020063677-A1 · Feb 27, 2020 · US
EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64)
EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64) · 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 | F02M26/51 |
| Official title | EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64) |
| Display label | EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64) |
| Total patents | 105 |
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 | 7 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 17 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control device of internal-combustion engine
US-10436154-B2 · Oct 8, 2019 · US
System and method for operating an electric assisted variable geometry turbocharger
US-2019277188-A1 · Sep 12, 2019 · US
Rotary axial valve
US-2019242298-A1 · Aug 8, 2019 · US
Blowdown runner wastegate for a split exhaust engine system
US-2019234349-A1 · Aug 1, 2019 · US
Tunable intake system for exhaust gas recirculation in an internal combustion engine
US-10344716-B2 · Jul 9, 2019 · US
Exhaust gas recirculation apparatus
US-10337470-B2 · Jul 2, 2019 · US
Engine system of vehicle
US-10337466-B2 · Jul 2, 2019 · US
Engine system
US-10273908-B2 · Apr 30, 2019 · US
Method of controlling turbine of exhaust heat recovery system
US-10273831-B2 · Apr 30, 2019 · US
EGR Valve with Integrated Sensor
US-2019113010-A1 · Apr 18, 2019 · US
Compressor stage egr injection
US-2019107082-A1 · Apr 11, 2019 · US
Engine system and control method using the same
US-10240540-B2 · Mar 26, 2019 · US
Engine system and control method of using the engine system
US-10167792-B2 · Jan 1, 2019 · US
Methods and systems for aftertreatment preheating
US-2018340480-A1 · Nov 29, 2018 · US
Compressor stage EGR injection
US-10100785-B2 · Oct 16, 2018 · US
Control device of internal-combustion engine
US-2018274499-A1 · Sep 27, 2018 · US
Control device for internal combustion engine
US-9976497-B2 · May 22, 2018 · US
System and methods for adjusting an exhaust gas recirculation valve based on multiple sensor outputs
US-9970348-B2 · May 15, 2018 · US
Fuel injector having three stages
US-2018119599-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M26/51?
- CPC F02M26/51 is the Cooperative Patent Classification code for “EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64).”
- How many patents are filed under CPC F02M26/51 (EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64))?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC F02M26/51 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).