Methods, assemblies, and apparatuses for forming a water jacket in a cast part of a marine engine
US-10464125-B1 · Nov 5, 2019 · US
of exhaust channels
of exhaust channels · 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 | F02F1/4264 |
| Official title | {of exhaust channels} |
| Display label | of exhaust channels |
| Total patents | 123 |
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 | 6 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 16 |
| 2019 | 17 |
| 2020 | 11 |
| 2021 | 18 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Multi-cylinder engine
US-2019226422-A1 · Jul 25, 2019 · US
Multi-cylinder engine
US-2019226427-A1 · Jul 25, 2019 · US
Internal combustion engine with cylinder head
US-10337449-B2 · Jul 2, 2019 · US
Pulse separated direct inlet axial automotive turbine
US-10330053-B2 · Jun 25, 2019 · US
Cylinder head with integrated exhaust manifold and engine cooling system having the same
US-2019153975-A1 · May 23, 2019 · US
Cylinder Structure of Diesel Engine
US-2019128210-A1 · May 2, 2019 · US
Exhaust device for internal combustion engine
US-10267206-B2 · Apr 23, 2019 · US
Cylinder head of engine
US-10247131-B2 · Apr 2, 2019 · US
Cylinder head
US-10202934-B2 · Feb 12, 2019 · US
Internal combustion engine having at least one cylinder head comprising at least two cylinders
US-10174709-B2 · Jan 8, 2019 · US
Motor vehicle cylinder head
US-2018334990-A1 · Nov 22, 2018 · US
Engine block including an integrated flow channel
US-2018328310-A1 · Nov 15, 2018 · US
Engine block including an integrated flow channel
US-10125718-B1 · Nov 13, 2018 · US
Four stroke internal combustion engine
US-2018320579-A1 · Nov 8, 2018 · US
Internal combustion engine
US-10107181-B2 · Oct 23, 2018 · US
Cylinder head and internal combustion engine
US-10107229-B2 · Oct 23, 2018 · US
Secondary air introduction device
US-2018291791-A1 · Oct 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F1/4264?
- CPC F02F1/4264 is the Cooperative Patent Classification code for “of exhaust channels.”
- How many patents are filed under CPC F02F1/4264 (of exhaust channels)?
- Our database includes 123 publications tagged with this CPC code.
- Is patent activity under CPC F02F1/4264 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).