Valvetrain power transfer module with shortened leaf-spring contact
US-12286908-B2 · Apr 29, 2025 · US
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Driving circuits therefor
Driving circuits therefor · 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 | F01L9/26 |
| Official title | Driving circuits therefor |
| Display label | Driving circuits therefor |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valvetrain with rocker shaft housing magnetic latch
US-11891923-B2 · Feb 6, 2024 · US
Valvetrain with rocker shaft housing magnetic latch
US-2022333507-A1 · Oct 20, 2022 · US
Valvetrain power tranfer module with shortened leaf-spring contact
US-2022235677-A1 · Jul 28, 2022 · US
Actuator control system for bi-stable electric rocker arm latches
US-11274579-B2 · Mar 15, 2022 · US
Control apparatus for linear solenoid
US-11237575-B2 · Feb 1, 2022 · US
Actuator control system for bi-stable electric rocker arm latches
US-2021189920-A1 · Jun 24, 2021 · US
Control apparatus for linear solenoid
US-2020019196-A1 · Jan 16, 2020 · US
Fluid system
US-2019101220-A1 · Apr 4, 2019 · US
Valvetrain with rocker arm housing magnetically actuated latch
US-10180089-B2 · Jan 15, 2019 · US
Camshaft phaser systems and method of commutating an electric motor for the same
US-10119431-B2 · Nov 6, 2018 · US
Methods and systems for a push pin actuator
US-9761364-B2 · Sep 12, 2017 · US
Valvetrain with rocker arm housing magnetically actuated latch
US-2017241300-A1 · Aug 24, 2017 · US
Magnetically Latching Flux-Shifting Electromechanical Actuator
US-2017236630-A1 · Aug 17, 2017 · US
Camshaft phaser systems and method of commutating an electric motor for the same
US-2017122137-A1 · May 4, 2017 · US
Valve-timing control apparatus for internal combustion engine
US-9624796-B2 · Apr 18, 2017 · US
Methods and systems for push pin actuator
US-9583249-B2 · Feb 28, 2017 · US
Valve driving device using piezoelectric actuator
US-9523294-B2 · Dec 20, 2016 · US
Electro-magnetic valve driver
US-9476330-B2 · Oct 25, 2016 · US
Valve-timing control apparatus for internal combustion engine
US-2016108778-A1 · Apr 21, 2016 · US