State determination device of liquid pumping apparatus, and liquid pumping apparatus
US-11454254-B2 · Sep 27, 2022 · US
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the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence)
the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence) · 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 | F04F1/06 |
| Official title | the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence) |
| Display label | the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence) |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pneumatic landfill pump cycle counter
US-11448238-B2 · Sep 20, 2022 · US
Waste liquid treatment apparatus, method and sample analyzer
US-11401952-B2 · Aug 2, 2022 · US
Deterioration determination device of liquid pumping apparatus, and liquid pumping apparatus
US-11333268-B2 · May 17, 2022 · US
System for dropping a liquid
US-2022143635-A1 · May 12, 2022 · US
Gas supply apparatus
US-2021190079-A1 · Jun 24, 2021 · US
Pumping apparatus, treatment solution supplying device, substrate treating apparatus, liquid draining method, and liquid replacing method
US-10920764-B2 · Feb 16, 2021 · US
Waste liquid treatment apparatus, method and sample analyzer
US-2020300272-A1 · Sep 24, 2020 · US
State determination device of liquid pumping apparatus, and liquid pumping apparatus
US-2020224679-A1 · Jul 16, 2020 · US
Deterioration determination device of liquid pumping apparatus, and liquid pumping apparatus
US-2020217432-A1 · Jul 9, 2020 · US
Gas assisted chemical injection system
US-10671099-B2 · Jun 2, 2020 · US
Pumping apparatus, treatment solution supplying device, substrate treating apparatus, liquid draining method, and liquid replacing method
US-2019063415-A1 · Feb 28, 2019 · US
Gas assisted chemical injection system
US-2018196448-A1 · Jul 12, 2018 · US
Gas supply apparatus
US-2018058457-A1 · Mar 1, 2018 · US
Liquid lifting device and liquid lifting method
US-9512857-B2 · Dec 6, 2016 · US
Compressor and method for compressing technical gases
US-9447782-B2 · Sep 20, 2016 · US
Fluid pumping system and a fluid turbine system including the fluid pumping system
US-9447795-B2 · Sep 20, 2016 · US
System and method for moving a first fluid using a second fluid
US-9341023-B2 · May 17, 2016 · US
Pressurized liquid lifting device and liquid lifting method
US-9316235-B2 · Apr 19, 2016 · US
Liquid lifting device and liquid lifting method
US-2015322969-A1 · Nov 12, 2015 · US