Continuous variable valve duration apparatus and engine provided with the same
US-9850789-B2 · Dec 26, 2017 · US
making the angular relationship oscillate {, e.g. non-homokinetic drive}
making the angular relationship oscillate {, e.g. non-homokinetic drive} · 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 | F01L1/356 |
| Official title | making the angular relationship oscillate {, e.g. non-homokinetic drive} |
| Display label | making the angular relationship oscillate {, e.g. non-homokinetic drive} |
| Total patents | 222 |
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 | 17 |
| 2016 | 17 |
| 2017 | 40 |
| 2018 | 50 |
| 2019 | 30 |
| 2020 | 31 |
| 2021 | 7 |
| 2022 | 16 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve timing controller
US-9850788-B2 · Dec 26, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-9835057-B2 · Dec 5, 2017 · US
Control device for internal combustion engine
US-2017314495-A1 · Nov 2, 2017 · US
Continuous variable valve duration apparatus and engine provided with the continuous variable valve duration apparatus
US-2017284235-A1 · Oct 5, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017284238-A1 · Oct 5, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017284311-A1 · Oct 5, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-9752466-B2 · Sep 5, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167397-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167312-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167310-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167320-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167321-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167322-A1 · Jun 15, 2017 · US
2-cylinder hybrid engine with oil supply system
US-2017167327-A1 · Jun 15, 2017 · US
Method for controlling of valve timing of continuous variable valve duration engine
US-2017167399-A1 · Jun 15, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017167323-A1 · Jun 15, 2017 · US
Variable valve timing apparatus
US-2017122140-A1 · May 4, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017114680-A1 · Apr 27, 2017 · US
Continuous variable valve duration apparatus and engine provided with the same
US-2017089230-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L1/356?
- CPC F01L1/356 is the Cooperative Patent Classification code for “making the angular relationship oscillate {, e.g. non-homokinetic drive}.”
- How many patents are filed under CPC F01L1/356 (making the angular relationship oscillate {, e.g. non-homokinetic drive})?
- Our database includes 222 publications tagged with this CPC code.
- Is patent activity under CPC F01L1/356 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).