Variable camshaft timing sun gear cushion ring
US-11965439-B1 · Apr 23, 2024 · US
actuated by rotary motors
actuated by rotary motors · 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 | F01L9/22 |
| Official title | actuated by rotary motors |
| Display label | actuated by rotary motors |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 13 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable camshaft timing sun gear cushion ring
US-2024125255-A1 · Apr 18, 2024 · US
Electrically-actuated camshaft phaser with backlash reduction
US-11852053-B2 · Dec 26, 2023 · US
Engine valve actuation
US-11788442-B2 · Oct 17, 2023 · US
Engine control apparatus
US-11591938-B2 · Feb 28, 2023 · US
Compliant coupling for electrically-controlled variable camshaft timing assembly
US-11560815-B1 · Jan 24, 2023 · US
Engine valve actuation
US-2022389845-A1 · Dec 8, 2022 · US
Electrically-actuated camshaft phaser with backlash reduction
US-2022372896-A1 · Nov 24, 2022 · US
Engine control apparatus
US-2022316368-A1 · Oct 6, 2022 · US
Torque-limiting rotor coupling for an electrically-actuated camshaft phaser
US-11454140-B1 · Sep 27, 2022 · US
Torque limited variable camshaft timing assembly
US-11454141-B1 · Sep 27, 2022 · US
Engine valve actuation
US-11454143-B2 · Sep 27, 2022 · US
Valve timing controller
US-11434835-B2 · Sep 6, 2022 · US
Valve opening and closing timing control device
US-11428172-B2 · Aug 30, 2022 · US
Valve timing adjusting device
US-11396832-B2 · Jul 26, 2022 · US
Method for operating an electromechanical camshaft phaser
US-2022220870-A1 · Jul 14, 2022 · US
Engine valve actuation
US-2022065139-A1 · Mar 3, 2022 · US
Control device and control method for variable valve timing mechanism
US-11230988-B2 · Jan 25, 2022 · US
Valve opening and closing timing control device
US-2022003174-A1 · Jan 6, 2022 · US
Actuation apparatus
US-2021355849-A1 · Nov 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L9/22?
- CPC F01L9/22 is the Cooperative Patent Classification code for “actuated by rotary motors.”
- How many patents are filed under CPC F01L9/22 (actuated by rotary motors)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F01L9/22 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).