Pumping device
US-11280330-B2 · Mar 22, 2022 · US
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actuated by muscle power
actuated by muscle power · 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 | F04B47/024 |
| Official title | {actuated by muscle power} |
| Display label | actuated by muscle power |
| Total patents | 4 |
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 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumping device
US-2021048015-A1 · Feb 18, 2021 · US
Below motor equalizer of electrical submersible pump and method for filling
US-10323641-B2 · Jun 18, 2019 · US
Below Motor Equalizer of Electrical Submersible Pump and Method for Filling
US-2015337843-A1 · Nov 26, 2015 · US