Leak detection apparatus
US-2021131906-A1 · May 6, 2021 · US
by sonic or ultrasonic waves
by sonic or ultrasonic waves · 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 | F02M27/08 |
| Official title | by sonic or ultrasonic waves |
| Display label | by sonic or ultrasonic waves |
| Total patents | 26 |
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 | 4 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel supply apparatus for internal combustion engine
US-2020232430-A1 · Jul 23, 2020 · US
Sonication-assisted fuel deoxygenation
US-10527011-B2 · Jan 7, 2020 · US
De-icing system and method
US-2019170064-A1 · Jun 6, 2019 · US
Multi-mode thermoacoustic actuator
US-10273913-B2 · Apr 30, 2019 · US
Vehicle engine
US-10184389-B2 · Jan 22, 2019 · US
Sonication-assisted fuel deoxygenation
US-2018347517-A1 · Dec 6, 2018 · US
Multi-mode Thermoacoustic Actuator
US-2018340494-A1 · Nov 29, 2018 · US
Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management
US-10012141-B2 · Jul 3, 2018 · US
Dual Fumigation Homogeneous Charge Compression Ignition (DF-HCCI) Engine
US-2018171890-A1 · Jun 21, 2018 · US
Systems and methods for targeted heating in an evaporative fuel vapor canister purge
US-9970367-B2 · May 15, 2018 · US
Systems and methods for targeted heating in an evaporative fuel vapor canister purge
US-2017370306-A1 · Dec 28, 2017 · US
Mixing valve of an internal combustion engine
US-9765732-B2 · Sep 19, 2017 · US
Motor response control method in variable charge motion system
US-9732683-B2 · Aug 15, 2017 · US
Vehicle engine
US-2017167361-A1 · Jun 15, 2017 · US
Systems for modifying a fluid flow of a vehicle
US-9581179-B2 · Feb 28, 2017 · US
System and method for control of fuel injector spray using ultrasonics
US-9506429-B2 · Nov 29, 2016 · US
Integrally-molded intake manifold connector for engine cover of combustion engine
US-9464607-B2 · Oct 11, 2016 · US
Plasma generation apparatus
US-9377004-B2 · Jun 28, 2016 · US
Integrally-molded intake manifold connector for engine cover of combustion engine
US-2016115918-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M27/08?
- CPC F02M27/08 is the Cooperative Patent Classification code for “by sonic or ultrasonic waves.”
- How many patents are filed under CPC F02M27/08 (by sonic or ultrasonic waves)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F02M27/08 growing?
- Publication counts under this code: 2 in 2020 vs 1 in 2021 (latest complete years).