Eccentric oscillating reduction gear device
US-10495184-B2 · Dec 3, 2019 · US
Valve drive (transmitting-gear between valve drive and valve F01L1/12)
Valve drive (transmitting-gear between valve drive and valve F01L1/12) · 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 | F01L1/02 |
| Official title | Valve drive (transmitting-gear between valve drive and valve F01L1/12) |
| Display label | Valve drive (transmitting-gear between valve drive and valve F01L1/12) |
| Total patents | 89 |
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 | 10 |
| 2016 | 3 |
| 2017 | 17 |
| 2018 | 15 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine with inboard cam drive tensioner
US-10487921-B2 · Nov 26, 2019 · US
Method of adaptively controlling a motor vehicle engine system
US-10487702-B2 · Nov 26, 2019 · US
Synchronous drive apparatus with adjustable non-circular drive elements
US-2019345848-A1 · Nov 14, 2019 · US
Engine
US-2019264635-A1 · Aug 29, 2019 · US
Hydraulic valve for a cam phaser
US-2019257223-A1 · Aug 22, 2019 · US
Hydraulic valve for a cam phaser
US-2019257224-A1 · Aug 22, 2019 · US
Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same
US-10371021-B2 · Aug 6, 2019 · US
Valve timing controller
US-2019234244-A1 · Aug 1, 2019 · US
Cooling structure for internal combustion engine
US-10323565-B2 · Jun 18, 2019 · US
Angular orientation of camshafts and crankshaft of an engine assembly
US-10309870-B2 · Jun 4, 2019 · US
Engine
US-10294889-B2 · May 21, 2019 · US
Coupling mechanism
US-2019145518-A1 · May 16, 2019 · US
Adiabatic Salt Energy Storage
US-2019003308-A1 · Jan 3, 2019 · US
Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same
US-2019003350-A1 · Jan 3, 2019 · US
Control system for internal combustion engine
US-10125697-B2 · Nov 13, 2018 · US
Camshaft phaser systems and method of commutating an electric motor for the same
US-10119431-B2 · Nov 6, 2018 · US
Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same
US-10113452-B2 · Oct 30, 2018 · US
Adiabatic salt energy storage
US-10094219-B2 · Oct 9, 2018 · US
Eccentric oscillating reduction gear device
US-2018266518-A1 · Sep 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L1/02?
- CPC F01L1/02 is the Cooperative Patent Classification code for “Valve drive (transmitting-gear between valve drive and valve F01L1/12).”
- How many patents are filed under CPC F01L1/02 (Valve drive (transmitting-gear between valve drive and valve F01L1/12))?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC F01L1/02 growing?
- Publication counts under this code: 4 in 2023 vs 3 in 2024 (latest complete years).