Internal combustion engine
US-10125727-B2 · Nov 13, 2018 · US
Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74)
Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74) · 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 | F02M26/50 |
| Official title | Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74) |
| Display label | Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74) |
| Total patents | 180 |
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 | 14 |
| 2016 | 22 |
| 2017 | 14 |
| 2018 | 21 |
| 2019 | 23 |
| 2020 | 24 |
| 2021 | 24 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine system for exhausting condensate water and method of using the engine system
US-10100788-B2 · Oct 16, 2018 · US
Control device for internal combustion engine
US-10066557-B2 · Sep 4, 2018 · US
Engine control apparatus
US-2018245536-A1 · Aug 30, 2018 · US
Valve Assembly With Anti-Seizing
US-2018224001-A1 · Aug 9, 2018 · US
Control device for internal combustion engine
US-2018149098-A1 · May 31, 2018 · US
Method of cleaning an exhaust gas recirculation valve
US-2018119652-A1 · May 3, 2018 · US
Control system for internal combustion engine
US-9903320-B2 · Feb 27, 2018 · US
Method of removing impurities from egr by air blowing, egr system, and vehicle including the same
US-2018045144-A1 · Feb 15, 2018 · US
Exhaust gas recirculation device
US-9874165-B2 · Jan 23, 2018 · US
System and methods for diagnosing soot accumulation on an exhaust gas recirculation valve
US-9845749-B2 · Dec 19, 2017 · US
Internal combustion engine
US-2017342949-A1 · Nov 30, 2017 · US
Controller
US-9784196-B2 · Oct 10, 2017 · US
Sealing system and exhaust gas recirculation valve
US-2017234273-A1 · Aug 17, 2017 · US
Valve device for a motor vehicle
US-2017226937-A1 · Aug 10, 2017 · US
Engine system for exhausting condensate water and method of using the engine system
US-2017167449-A1 · Jun 15, 2017 · US
System and method of exhaust gas recirculation
US-2017138319-A1 · May 18, 2017 · US
Method and device for desulphurizing an exhaust-gas recirculation flow
US-9638137-B2 · May 2, 2017 · US
Control device for an internal combustion engine preventing condensation of intake gas in an intercooler
US-9638120-B2 · May 2, 2017 · US
Method of operating an internal combustion engine having a turbocharger
US-2017107923-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M26/50?
- CPC F02M26/50 is the Cooperative Patent Classification code for “Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74).”
- How many patents are filed under CPC F02M26/50 (Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74))?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC F02M26/50 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).