Valvetrain testing using instrumented pushrod
US-12410998-B2 · Sep 9, 2025 · US
Testing or simulation
Testing or simulation · 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 | F01L2800/18 |
| Official title | Testing or simulation |
| Display label | Testing or simulation |
| Total patents | 54 |
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 | 6 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sliding member and member for internal combustion engine
US-12135059-B2 · Nov 5, 2024 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-11788439-B2 · Oct 17, 2023 · US
Device and method for cold testing engine component operation
US-11644384-B2 · May 9, 2023 · US
Method for adaptation of a detected camshaft position, control unit for carrying out the method, internal combustion engine, and vehicle
US-11280227-B2 · Mar 22, 2022 · US
Cylinder head arrangement for variable valve actuation rocker arm assemblies
US-11181013-B2 · Nov 23, 2021 · US
Sliding member and member for internal combustion engine
US-2021293274-A1 · Sep 23, 2021 · US
Cylinder head arrangement for variable valve actuation rocker arm assemblies
US-2021156284-A9 · May 27, 2021 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-2021131317-A1 · May 6, 2021 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-2021131316-A1 · May 6, 2021 · US
Method for adaptation of a detected camshaft position, control unit for carrying out the method, internal combustion engine, and vehicle
US-2021047946-A1 · Feb 18, 2021 · US
Method and system for variable displacement engine diagnostics
US-10801418-B2 · Oct 13, 2020 · US
Rocker assembly having improved durability
US-10570786-B2 · Feb 25, 2020 · US
Device and method for cold testing engine component operation
US-2019353558-A1 · Nov 21, 2019 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-2019338683-A9 · Nov 7, 2019 · US
Method and system for variable displacement engine diagnostics
US-2019331032-A1 · Oct 31, 2019 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-2019309663-A9 · Oct 10, 2019 · US
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US-10415439-B2 · Sep 17, 2019 · US
Engine brake test tool
US-10393626-B2 · Aug 27, 2019 · US
Hard particle powder for sintered body
US-2019256955-A1 · Aug 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L2800/18?
- CPC F01L2800/18 is the Cooperative Patent Classification code for “Testing or simulation.”
- How many patents are filed under CPC F01L2800/18 (Testing or simulation)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F01L2800/18 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).