Method for changing a working fluid in an expansion system, and expansion system
US-11761822-B2 · Sep 19, 2023 · US
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Selection of liquid compositions
Selection of liquid compositions · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01K5/12 |
| Official title | Selection of liquid compositions |
| Display label | Selection of liquid compositions |
| Total patents | 6 |
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 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for changing a working fluid in an expansion system, and expansion system
US-2019187001-A1 · Jun 20, 2019 · US
Method for preparing solid-state helical photonic crystal structure and photonic crystal structure prepared thereby
US-2018244997-A1 · Aug 30, 2018 · US
Freeze indicator
US-9410852-B2 · Aug 9, 2016 · US
Temperature and time indicator for confirming high pressure sterilization
US-9404808-B2 · Aug 2, 2016 · US
Effective life indicator and stopper including the same
US-9348318-B2 · May 24, 2016 · US