Actuator for cam phaser and cam phaser
US-2018363515-A1 · Dec 20, 2018 · US
Details relating to the hydraulic means for changing the angular relationship
Details relating to the hydraulic means for changing the angular relationship · 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 | F01L2001/3445 |
| Official title | {Details relating to the hydraulic means for changing the angular relationship} |
| Display label | Details relating to the hydraulic means for changing the angular relationship |
| Total patents | 114 |
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 | 12 |
| 2016 | 11 |
| 2017 | 14 |
| 2018 | 25 |
| 2019 | 15 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 10 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve opening and closing timing control apparatus
US-10113450-B2 · Oct 30, 2018 · US
Camshaft centering in the split rotor of a hydraulic camshaft adjuster
US-10094251-B2 · Oct 9, 2018 · US
Switched cushion stop
US-2018283232-A1 · Oct 4, 2018 · US
Camshaft centering in the split rotor of a hydraulic camshaft adjuster
US-2018274399-A1 · Sep 27, 2018 · US
Actuator for cam phaser and cam phaser
US-2018258801-A1 · Sep 13, 2018 · US
Valve opening and closing timing control apparatus
US-10066520-B2 · Sep 4, 2018 · US
Valve opening and closing timing control apparatus
US-2018149045-A1 · May 31, 2018 · US
Connection concept of a multipart rotor for a hydraulic camshaft adjuster
US-9982574-B2 · May 29, 2018 · US
Camshaft phaser
US-9982573-B2 · May 29, 2018 · US
Valve opening/closing timing control apparatus
US-2018135471-A1 · May 17, 2018 · US
Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft
US-9970333-B2 · May 15, 2018 · US
Valve timing regulation device
US-2018112563-A1 · Apr 26, 2018 · US
Variable valve actuation apparatus for internal combustion engine
US-9945272-B2 · Apr 17, 2018 · US
Valve opening and closing timing control apparatus
US-9938864-B2 · Apr 10, 2018 · US
Camshaft phaser having central bolt
US-9938863-B2 · Apr 10, 2018 · US
Valve opening and closing timing control apparatus
US-9926818-B2 · Mar 27, 2018 · US
Camshaft phasing system including idler gear phaser for internal combustion engines
US-2018080352-A1 · Mar 22, 2018 · US
Valve Opening and Closing Timing Control Apparatus
US-2018073655-A1 · Mar 15, 2018 · US
Valve Opening and Closing Timing Control Apparatus
US-2018073656-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L2001/3445?
- CPC F01L2001/3445 is the Cooperative Patent Classification code for “Details relating to the hydraulic means for changing the angular relationship.”
- How many patents are filed under CPC F01L2001/3445 (Details relating to the hydraulic means for changing the angular relationship)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC F01L2001/3445 growing?
- Publication counts under this code: 10 in 2024 vs 1 in 2025 (latest complete years).