Variable camshaft
US-2023201500-A1 · Jun 29, 2023 · US
Adjustable cams
Adjustable cams · 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 | F16H53/04 |
| Official title | Adjustable cams |
| Display label | Adjustable cams |
| Total patents | 53 |
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 | 6 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous variable valve duration apparatus and engine provided with the same
US-11313258-B2 · Apr 26, 2022 · US
Variable camshaft timing assembly
US-11274577-B2 · Mar 15, 2022 · US
Camshaft phasers for concentrically arranged camshafts
US-11162395-B2 · Nov 2, 2021 · US
Sliding module of a camshaft
US-10948066-B2 · Mar 16, 2021 · US
Continuous Variable Valve Duration Apparatus and Engine Provided with the Same
US-2021062691-A1 · Mar 4, 2021 · US
Trigger wheel with a wave-shaped formed feature for a camshaft phaser
US-10895176-B2 · Jan 19, 2021 · US
Camshaft adjusting system having a hydraulic camshaft adjuster and an electric camshaft adjuster
US-10844754-B2 · Nov 24, 2020 · US
Valve train device
US-10801376-B2 · Oct 13, 2020 · US
Camshaft adjusting system having camshaft adjusters which are arranged radially and axially inside one another
US-10781724-B2 · Sep 22, 2020 · US
Method for installing an adjustable camshaft and installation device
US-10759011-B2 · Sep 1, 2020 · US
Camshaft for an internal combustion engine
US-10677105-B2 · Jun 9, 2020 · US
Variable camshaft timing assembly
US-2020149439-A1 · May 14, 2020 · US
Camshaft adjuster comprising a spring
US-10641139-B2 · May 5, 2020 · US
Rotor for cam phaser with improved geometry
US-10598267-B2 · Mar 24, 2020 · US
Camshaft adjusting system having camshaft adjusters which are arranged radially and axially inside one another
US-2020080448-A1 · Mar 12, 2020 · US
Trigger wheel with a wave-shaped formed feature for a camshaft phaser
US-2020056515-A1 · Feb 20, 2020 · US
Internal combustion engine and method for assembling an internal combustion engine
US-10527172-B2 · Jan 7, 2020 · US
Camshaft thrust control secured by drive gear
US-10487810-B2 · Nov 26, 2019 · US
Camshaft adjusting system having a hydraulic camshaft adjuster and an electric camshaft adjuster
US-2019353237-A1 · Nov 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H53/04?
- CPC F16H53/04 is the Cooperative Patent Classification code for “Adjustable cams.”
- How many patents are filed under CPC F16H53/04 (Adjustable cams)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F16H53/04 growing?
- Publication counts under this code: 2 in 2022 vs 1 in 2023 (latest complete years).