Cylinder head for internal combustion engine
US-2023228212-A1 · Jul 20, 2023 · US
Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32)
Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32) · 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 | F01L3/06 |
| Official title | Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32) |
| Display label | Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32) |
| Total patents | 63 |
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 | 9 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 15 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve seat injector
US-2023212963-A1 · Jul 6, 2023 · US
Method to attach copper alloy valve inserts to aluminum cylinder head
US-11530629-B2 · Dec 20, 2022 · US
Valve seat insert with soft landing insert design with contoured radii
US-11480075-B2 · Oct 25, 2022 · US
Valve seat insert with soft landing insert design with contoured radii
US-11473457-B2 · Oct 18, 2022 · US
Hollow exhaust poppet valve
US-11300018-B2 · Apr 12, 2022 · US
Engine valve with raised ring or dimple
US-2022034243-A1 · Feb 3, 2022 · US
Rocker arm motion detection for diagnostic feedback and control
US-11225885-B2 · Jan 18, 2022 · US
Engine valve with raised ring or dimple
US-11215092-B2 · Jan 4, 2022 · US
Method to attach copper alloy valve inserts to aluminum cylinder head
US-2021404353-A1 · Dec 30, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-2021301689-A1 · Sep 30, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-2021301688-A1 · Sep 30, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-2021293159-A1 · Sep 23, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-2021293160-A1 · Sep 23, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-11125122-B1 · Sep 21, 2021 · US
Valve seat insert with soft landing insert design with contoured radii
US-11125123-B1 · Sep 21, 2021 · US
Valve seat insert for engine head having venturi flow crowns and seating surface profiled for limiting valve recession
US-11060425-B2 · Jul 13, 2021 · US
Engine valve with raised ring or dimple
US-2021180480-A1 · Jun 17, 2021 · US
Rocker arm motion detection for diagnostic feedback and control
US-2021095580-A1 · Apr 1, 2021 · US
Valve for an internal combustion engine
US-10934900-B2 · Mar 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L3/06?
- CPC F01L3/06 is the Cooperative Patent Classification code for “Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32).”
- How many patents are filed under CPC F01L3/06 (Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L1/32))?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC F01L3/06 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).