Valve timing adjustment device
US-2019383178-A1 · Dec 19, 2019 · US
the camshaft being driven by gear wheels
the camshaft being driven by gear wheels · 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 | F01L2250/06 |
| Official title | the camshaft being driven by gear wheels |
| Display label | the camshaft being driven by gear wheels |
| Total patents | 138 |
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 | 2 |
| 2016 | 9 |
| 2017 | 25 |
| 2018 | 19 |
| 2019 | 26 |
| 2020 | 22 |
| 2021 | 20 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling for a camshaft phaser arrangement for a concentric camshaft assembly
US-2019360364-A1 · Nov 28, 2019 · US
Engine variable camshaft timing phaser with planetary gear set
US-10408096-B2 · Sep 10, 2019 · US
Output element of a camshaft adjuster having a partial structuring on the contact surface to the camshaft
US-10316707-B2 · Jun 11, 2019 · US
Method of controlling continuously variable valve timing system for limp-home
US-10174684-B2 · Jan 8, 2019 · US
Camshaft adjuster
US-2018355767-A1 · Dec 13, 2018 · US
Electric cam phasing system including an activatable lock
US-10151222-B2 · Dec 11, 2018 · US
Internal combustion engine
US-10132203-B2 · Nov 20, 2018 · US
Engine variable camshaft timing phaser with planetary gear set
US-2018320564-A1 · Nov 8, 2018 · US
Harmonic drive
US-2018320771-A1 · Nov 8, 2018 · US
System and method for intake manifold pressure control
US-2018291824-A1 · Oct 11, 2018 · US
Switched cushion stop
US-2018283232-A1 · Oct 4, 2018 · US
Outboard Motor With Built In Fuel Tank
US-2018252154-A1 · Sep 6, 2018 · US
Camshaft phaser using one-way slipper clutches
US-10060303-B2 · Aug 28, 2018 · US
Cam phasing systems and methods
US-2018209310-A1 · Jul 26, 2018 · US
System and method for intake manifold pressure control
US-10024256-B2 · Jul 17, 2018 · US
Wedge clutch for a camshaft phaser
US-10024203-B2 · Jul 17, 2018 · US
Valve timing control device for internal combustion engine
US-9995185-B2 · Jun 12, 2018 · US
Positional control of actuator shaft for e-phaser and method of calibration
US-9982572-B2 · May 29, 2018 · US
Arrangements for outboard marine engines having reduced width
US-9970331-B1 · May 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L2250/06?
- CPC F01L2250/06 is the Cooperative Patent Classification code for “the camshaft being driven by gear wheels.”
- How many patents are filed under CPC F01L2250/06 (the camshaft being driven by gear wheels)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC F01L2250/06 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).