Control signals for free-piston engines
US-11078792-B2 · Aug 3, 2021 · US
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with direct fluid transmission link
with direct fluid transmission link · 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 | F01B11/08 |
| Official title | with direct fluid transmission link |
| Display label | with direct fluid transmission link |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control signals for free-piston engines
US-2017350248-A1 · Dec 7, 2017 · US
Free-piston engine
US-9388736-B2 · Jul 12, 2016 · US