Two-step cam controlled exhaust valve deactivation to operate a divided exhaust boost system
US-12338752-B2 · Jun 24, 2025 · US
Timing or lift different for valves of same cylinder
Timing or lift different for valves of same cylinder · 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 | F01L2800/06 |
| Official title | Timing or lift different for valves of same cylinder |
| Display label | Timing or lift different for valves of same cylinder |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for actuating engine valves including a recompression relief valve event
US-2025116213-A1 · Apr 10, 2025 · US
System and method for actuating engine valves including a recompression relief valve event
US-12270322-B1 · Apr 8, 2025 · US
Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other
US-12247502-B2 · Mar 11, 2025 · US
Two-step cam controlled exhaust valve deactivation to operate a divided exhaust boost system
US-2024175380-A1 · May 30, 2024 · US
Lash setting features for castellation mechanism
US-11859519-B2 · Jan 2, 2024 · US
Lash setting features for castellation mechanism
US-2023287810-A1 · Sep 14, 2023 · US
Internal combustion engine with fast combustion and method of control of such an engine
US-11692465-B2 · Jul 4, 2023 · US
Internal combustion engine with fast combustion, and method for the internal combustion engine
US-11629654-B2 · Apr 18, 2023 · US
Single-valve electrohydraulic control system for engine braking rocker arm control
US-11614007-B1 · Mar 28, 2023 · US
Multi-mode valve lift
US-11555423-B2 · Jan 17, 2023 · US
Response time in lost motion valvetrains
US-11473458-B2 · Oct 18, 2022 · US
Internal combustion engine with fast combustion, and method for the internal combustion engine
US-2022260025-A1 · Aug 18, 2022 · US
Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations
US-11408310-B2 · Aug 9, 2022 · US
Internal combustion engine with fast combustion and method of control of such an engine
US-2022243621-A1 · Aug 4, 2022 · US
Methods and systems for an ignition arrangement of an internal combustion engine
US-11293338-B2 · Apr 5, 2022 · US
Integrated engine brake configuration
US-11255229-B2 · Feb 22, 2022 · US
Method and system for engine control
US-11118552-B2 · Sep 14, 2021 · US
Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations
US-2021180481-A1 · Jun 17, 2021 · US
Ball engine brake mechanism
US-11022008-B2 · Jun 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L2800/06?
- CPC F01L2800/06 is the Cooperative Patent Classification code for “Timing or lift different for valves of same cylinder.”
- How many patents are filed under CPC F01L2800/06 (Timing or lift different for valves of same cylinder)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC F01L2800/06 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).