Composite rocker shaft with integrated oil galleries
US-2023366333-A1 · Nov 16, 2023 · US
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Valve-gear or valve arrangements, e.g. lift-valve gear (lift-valve and valve-seat assemblies per se F01L3/00; slide-valve gear F01L5/00; actuated non-mechanically F01L9/00; valve arrangements in working piston or piston rod F01L11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L13/00)
Valve-gear or valve arrangements, e.g. lift-valve gear (lift-valve and valve-seat assemblies per se F01L3/00; slide-valve gear F01L5/00; actuated non-mechanically F01L9/00; valve arrangements in working piston or piston rod F01L11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L13/00) · 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 | F01L1/00 |
| Official title | Valve-gear or valve arrangements, e.g. lift-valve gear (lift-valve and valve-seat assemblies per se F01L3/00; slide-valve gear F01L5/00; actuated non-mechanically F01L9/00; valve arrangements in working piston or piston rod F01L11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L13/00) |
| Display label | Valve-gear or valve arrangements, e.g. lift-valve gear (lift-valve and valve-seat assemblies per se F01L3/00; slide-valve gear F01L5/00; actuated non-mechanically F01L9/00; valve arrangements in working piston or piston rod F01L11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L13/00) |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for engine control
US-10513973-B2 · Dec 24, 2019 · US
Method and system for engine control
US-2019338697-A1 · Nov 7, 2019 · US
Roller lifter
US-10047641-B2 · Aug 14, 2018 · US
Engine valve
US-2018224002-A1 · Aug 9, 2018 · US
Roller lifter
US-2017191384-A1 · Jul 6, 2017 · US
Determination of a value for a valve lift of a valve of an individual cylinder of an internal combustion engine with a plurality of cylinders
US-9624842-B2 · Apr 18, 2017 · US
Device for holding down a valve for metering fuel
US-9291137-B2 · Mar 22, 2016 · US
Engine breathing system valve and seal
US-9238979-B2 · Jan 19, 2016 · US
Method for manufacturing valve train parts using metal powder injection molding
US-9085028-B2 · Jul 21, 2015 · US
Anti-vibration device
US-9027527-B2 · May 12, 2015 · US
Internal combustion engine
US-8991357-B2 · Mar 31, 2015 · US