Internal combustion engine
US-11781453-B2 · Oct 10, 2023 · US
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Drip lubrication
Drip lubrication · 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 | F01M9/08 |
| Official title | Drip lubrication |
| Display label | Drip lubrication |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lubricating structure for power transmission mechanism
US-11668390-B2 · Jun 6, 2023 · US
Lubricating structure for power transmission mechanism
US-2022128144-A1 · Apr 28, 2022 · US
Internal combustion engine
US-2022127981-A1 · Apr 28, 2022 · US
Internal combustion engine
US-10634018-B2 · Apr 28, 2020 · US
Air-cooled engine
US-10508586-B2 · Dec 17, 2019 · US
Oil mist separation mechanism of internal combustion engine
US-10378399-B2 · Aug 13, 2019 · US
Cover member of internal combustion engine
US-10107230-B2 · Oct 23, 2018 · US
Oil mist separation mechanism of internal combustion engine
US-2018038248-A1 · Feb 8, 2018 · US
Engine and straddle-type vehicle equipped with engine
US-9657613-B2 · May 23, 2017 · US
Cover member of internal combustion engine
US-2017107940-A1 · Apr 20, 2017 · US
Internal combustion engine
US-2017022856-A1 · Jan 26, 2017 · US
Air-cooled engine
US-2016290213-A1 · Oct 6, 2016 · US
Engine and straddle-type vehicle equipped with engine
US-2015122210-A1 · May 7, 2015 · US