Intake port structure for internal combustion engine
US-10815872-B2 · Oct 27, 2020 · US
Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10)
Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10) · 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 | F02B31/00 |
| Official title | Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10) |
| Display label | Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10) |
| Total patents | 85 |
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 | 8 |
| 2016 | 5 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 22 |
| 2020 | 13 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Applied-ignition internal combustion engine with two cylinder-specific valves and method for mixture formation in an internal combustion engine of said type
US-10738684-B2 · Aug 11, 2020 · US
Method for operating an internal combustion engine, dual fuel injector device, and internal combustion engine designed for carrying out such a method
US-2020240320-A1 · Jul 30, 2020 · US
Engine control device
US-2020116098-A1 · Apr 16, 2020 · US
Free piston device and method for operating a free piston device
US-10612380-B2 · Apr 7, 2020 · US
Spark-ignition internal combustion engine
US-2020040807-A1 · Feb 6, 2020 · US
Air intake device for internal combustion engine
US-10539103-B2 · Jan 21, 2020 · US
Intake port structure for internal combustion engine
US-2019383208-A1 · Dec 19, 2019 · US
Intake port structure for internal combustion engine
US-2019383207-A1 · Dec 19, 2019 · US
Compression ignited combustion engine
US-2019368412-A1 · Dec 5, 2019 · US
Intake device of internal combustion engine
US-2019360389-A1 · Nov 28, 2019 · US
Applied-ignition internal combustion engine with two cylinder-specific valves and method for mixture formation in an internal combustion engine of said type
US-2019353091-A1 · Nov 21, 2019 · US
Ignition control system
US-2019353134-A1 · Nov 21, 2019 · US
Air intake device for internal combustion engine
US-2019338736-A1 · Nov 7, 2019 · US
Control device for internal combustion engine
US-10436134-B2 · Oct 8, 2019 · US
Intake port structure
US-2019301410-A1 · Oct 3, 2019 · US
Charge motion control valve and intake runner system
US-10428745-B2 · Oct 1, 2019 · US
Internal combustion engine and method for manufacturing the same
US-10408174-B2 · Sep 10, 2019 · US
Uniflow scavenging two-cycle engine
US-10371042-B2 · Aug 6, 2019 · US
Intake valve fairing for a cylinder head of an engine
US-10344705-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B31/00?
- CPC F02B31/00 is the Cooperative Patent Classification code for “Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10).”
- How many patents are filed under CPC F02B31/00 (Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10))?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC F02B31/00 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).