Oil Pump for Vehicle
US-2021355940-A1 · Nov 18, 2021 · US
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of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing · 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 | F04C3/08 |
| Official title | of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing |
| Display label | of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing |
| Total patents | 9 |
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 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2019 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pump unit
US-10174758-B2 · Jan 8, 2019 · US
Thermistor flow path
US-2017343098-A1 · Nov 30, 2017 · US
Rotary piston engine which acts as a pump, condenser or motor for a fluid
US-9670778-B2 · Jun 6, 2017 · US
Feed unit
US-9422935-B2 · Aug 23, 2016 · US
Pump unit
US-2016097388-A1 · Apr 7, 2016 · US
Delivery unit
US-9046099-B2 · Jun 2, 2015 · US
Rotary compressors with variable speed and volume control
US-2015093273-A1 · Apr 2, 2015 · US
Rotary piston engine which acts as a pump, condenser or motor for a fluid
US-2015086407-A1 · Mar 26, 2015 · US