Pulse turbo charging exhaust system
US-12228057-B2 · Feb 18, 2025 · US
Exhaust collectors
Exhaust collectors · 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 | F02F2001/4278 |
| Official title | {Exhaust collectors} |
| Display label | Exhaust collectors |
| Total patents | 48 |
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 | 1 |
| 2017 | 10 |
| 2018 | 3 |
| 2019 | 12 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine system configured for unburned hydrocarbon (HC) collection from exhaust port
US-12158121-B2 · Dec 3, 2024 · US
Pulse turbo charging exhaust system
US-11933207-B2 · Mar 19, 2024 · US
Engine system configured for unburned hydrocarbon (hc) collection from exhaust port
US-2024068425-A1 · Feb 29, 2024 · US
Pulse turbo charging exhaust system
US-2024060443-A1 · Feb 22, 2024 · US
Pulse turbo charging exhaust system
US-2023417168-A1 · Dec 28, 2023 · US
Multi-cylinder engine
US-11053894-B2 · Jul 6, 2021 · US
Methods, assemblies, and apparatuses for forming a water jacket in a cast part of a marine engine
US-11045869-B1 · Jun 29, 2021 · US
Internal combustion engine having a cylinder head and a secondary air system
US-10954882-B2 · Mar 23, 2021 · US
Internal combustion engine with cylinder head, and method for producing a cylinder head of an internal combustion engine of said type
US-10954884-B2 · Mar 23, 2021 · US
Cylinder head with integrated exhaust manifold and engine cooling system having the same
US-10900442-B2 · Jan 26, 2021 · US
Multi-cylinder engine
US-10774794-B2 · Sep 15, 2020 · US
Inline turbocharger arrangement and method
US-10746089-B2 · Aug 18, 2020 · US
Internal combustion engine having a cylinder head and a secondary air system
US-2020003149-A1 · Jan 2, 2020 · US
Methods, assemblies, and apparatuses for forming a water jacket in a cast part of a marine engine
US-10464125-B1 · Nov 5, 2019 · US
Valve System And Assembly Including The Same
US-2019309692-A1 · Oct 10, 2019 · US
Internal combustion engine with cylinder head, and method for producing a cylinder head of an internal combustion engine of said type
US-2019277222-A1 · Sep 12, 2019 · US
Multi-cylinder engine
US-2019226428-A1 · Jul 25, 2019 · US
Inline Turbocharger Arrangement and Method
US-2019226389-A1 · Jul 25, 2019 · US
Multi-cylinder engine
US-2019226422-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F2001/4278?
- CPC F02F2001/4278 is the Cooperative Patent Classification code for “Exhaust collectors.”
- How many patents are filed under CPC F02F2001/4278 (Exhaust collectors)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F02F2001/4278 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).