Multiple variable valve lift apparatus
US-2016363011-A1 · Dec 15, 2016 · US
Lubrication · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01L2810/02 |
| Official title | Lubrication |
| Display label | Lubrication |
| Total patents | 470 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 35 |
| 2017 | 66 |
| 2018 | 70 |
| 2019 | 56 |
| 2020 | 74 |
| 2021 | 53 |
| 2022 | 42 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 14 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2016363011-A1 · Dec 15, 2016 · US
US-2016341079-A1 · Nov 24, 2016 · US
US-2016319707-A1 · Nov 3, 2016 · US
US-2016312665-A1 · Oct 27, 2016 · US
US-2016298505-A1 · Oct 13, 2016 · US
US-2016290182-A1 · Oct 6, 2016 · US
US-9458744-B2 · Oct 4, 2016 · US
US-2016281550-A1 · Sep 29, 2016 · US
US-2016281667-A1 · Sep 29, 2016 · US
US-2016273419-A1 · Sep 22, 2016 · US
US-9447706-B2 · Sep 20, 2016 · US
US-9441722-B2 · Sep 13, 2016 · US
US-2016251986-A1 · Sep 1, 2016 · US
US-2016237865-A1 · Aug 18, 2016 · US
US-2016230615-A1 · Aug 11, 2016 · US
US-2016230610-A1 · Aug 11, 2016 · US
US-2016222834-A1 · Aug 4, 2016 · US
US-2016208663-A1 · Jul 21, 2016 · US
US-2016186903-A1 · Jun 30, 2016 · US
US-9376939-B2 · Jun 28, 2016 · US
Answers are generated from the same data shown on this page.