Fixed-rail rotor pump and fixed-rail rotor pump combined supercharging internal-combustion engine
US-10161299-B2 · Dec 25, 2018 · US
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with vanes hinged to the inner member
with vanes hinged to the inner member · 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 | F01C1/44 |
| Official title | with vanes hinged to the inner member |
| Display label | with vanes hinged to the inner member |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.