Oil supply system for engine equipped with cvvt
US-2016376939-A1 · Dec 29, 2016 · US
by fluid means, e.g. hydraulic
by fluid means, e.g. hydraulic · 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 | F01L9/10 |
| Official title | by fluid means, e.g. hydraulic |
| Display label | by fluid means, e.g. hydraulic |
| Total patents | 262 |
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 | 19 |
| 2016 | 41 |
| 2017 | 37 |
| 2018 | 20 |
| 2019 | 38 |
| 2020 | 25 |
| 2021 | 28 |
| 2022 | 20 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Intermediate phase adjustment apparatus of cvvt
US-2016376938-A1 · Dec 29, 2016 · US
Hydraulic circuit for valve deactivation
US-2016363012-A1 · Dec 15, 2016 · US
Hybrid additive manufacturing methods using hybrid additively manufactured features for hybrid components
US-2016354843-A1 · Dec 8, 2016 · US
System and method for calibrating a valve lift sensor and evaluating a valve lift sensor and a hydraulic valve actuator
US-9512749-B2 · Dec 6, 2016 · US
Variable valve actuator
US-9506382-B2 · Nov 29, 2016 · US
Actuator for an electrohydraulic gas-exchange valve train of a combustion engine
US-2016341080-A1 · Nov 24, 2016 · US
Control system for engine
US-9500107-B2 · Nov 22, 2016 · US
Injector for injecting fuel into an internal combustion engine
US-9470194-B2 · Oct 18, 2016 · US
Variable valve actuator
US-2016290184-A1 · Oct 6, 2016 · US
Hydraulic circuit for valve deactivation
US-2016281551-A1 · Sep 29, 2016 · US
Hydraulic valve drive of an internal combustion engine
US-2016273420-A1 · Sep 22, 2016 · US
Hydraulic support element
US-9447707-B2 · Sep 20, 2016 · US
Gasoline engine knock control
US-2016265455-A1 · Sep 15, 2016 · US
Method for Determining a Switching Function for a Sliding Mode Controller, and Sliding Mode Controller
US-2016266600-A1 · Sep 15, 2016 · US
Two Path Two Step Actuator
US-2016245133-A1 · Aug 25, 2016 · US
Valve opening/closing timing control device
US-2016237862-A1 · Aug 18, 2016 · US
Oil control device for fully variable hydraulic valve system of internal combustion engine
US-2016237865-A1 · Aug 18, 2016 · US
Engine equipped with secondary air supply device
US-9416718-B2 · Aug 16, 2016 · US
Camshaft phase adjuster including a camshaft with helical grooves
US-2016230616-A1 · Aug 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L9/10?
- CPC F01L9/10 is the Cooperative Patent Classification code for “by fluid means, e.g. hydraulic.”
- How many patents are filed under CPC F01L9/10 (by fluid means, e.g. hydraulic)?
- Our database includes 262 publications tagged with this CPC code.
- Is patent activity under CPC F01L9/10 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).