Rotary piston engine which acts as a pump, condenser or motor for a fluid
US-9670778-B2 · Jun 6, 2017 · US
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Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement · 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 | F01C1/088 |
| Official title | {Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement} |
| Display label | Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.