Sound reducing device for internal combustion engine
US-12221908-B2 · Feb 11, 2025 · US
Sound insulation
Sound insulation · 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 | F02F7/008 |
| Official title | {Sound insulation} |
| Display label | Sound insulation |
| Total patents | 45 |
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 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing an acoustic panel by welding
US-12115734-B2 · Oct 15, 2024 · US
Cover for automobile engine
US-12110838-B2 · Oct 8, 2024 · US
Method for manufacturing an acoustic panel by welding
US-2024262042-A1 · Aug 8, 2024 · US
Cover for automobile engine
US-2024191671-A1 · Jun 13, 2024 · US
Sound reducing device for internal combustion engine
US-2024167398-A1 · May 23, 2024 · US
Internal combustion engine fitted with engine cover
US-11959415-B2 · Apr 16, 2024 · US
Internal combustion engine fitted with engine cover
US-2023220798-A1 · Jul 13, 2023 · US
Timing chain cover and mounting structure for timing chain cover
US-11506142-B2 · Nov 22, 2022 · US
Timing chain cover and mounting structure for timing chain cover
US-2022290628-A1 · Sep 15, 2022 · US
Cover member mounting structure for engine
US-11293344-B2 · Apr 5, 2022 · US
Chain cover
US-11242820-B2 · Feb 8, 2022 · US
Low-noise main bearing cap for internal combustion engine
US-11215138-B1 · Jan 4, 2022 · US
Crank cap assembly
US-11181166-B2 · Nov 23, 2021 · US
General purpose engine
US-11002237-B2 · May 11, 2021 · US
Oil pan and method for manufacturing oil pan
US-10934903-B2 · Mar 2, 2021 · US
Head cover for internal combustion engine cylinder head
US-10920631-B2 · Feb 16, 2021 · US
Cover member mounting structure for engine
US-2021010417-A1 · Jan 14, 2021 · US
Chain cover
US-2020400095-A1 · Dec 24, 2020 · US
Crank cap assembly
US-2020173520-A1 · Jun 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F7/008?
- CPC F02F7/008 is the Cooperative Patent Classification code for “Sound insulation.”
- How many patents are filed under CPC F02F7/008 (Sound insulation)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC F02F7/008 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).