Linear compressor with a self-aligned coupling
US-2025244060-A1 · Jul 31, 2025 · US
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using the Joule-Thompson effect
using the Joule-Thompson effect · 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 | F25B2309/02 |
| Official title | using the Joule-Thompson effect |
| Display label | using the Joule-Thompson effect |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve
US-2025093077-A1 · Mar 20, 2025 · US
Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion system
US-12181195-B2 · Dec 31, 2024 · US
Cryogenic cooling device
US-2024377107-A1 · Nov 14, 2024 · US
Miniature Joule-Thomson cryocooler operating at liquid helium temperatures
US-12078400-B2 · Sep 3, 2024 · US
Joule-Thompson cooler actuation systems
US-12007212-B2 · Jun 11, 2024 · US
Joule-thompson cooler actuation systems
US-2023114102-A1 · Apr 13, 2023 · US
Method for suppressing the blockage of miniature Joule-Thomson cryocooler based on photothermal effect
US-11561035-B2 · Jan 24, 2023 · US
Compact Low-power Cryo-Cooling Systems for Superconducting Elements
US-2022349628-A1 · Nov 3, 2022 · US
Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion system
US-2022307733-A1 · Sep 29, 2022 · US
Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve
US-11397030-B2 · Jul 26, 2022 · US
Miniature joule-thomson cryocooler operating at liquid helium temperatures
US-2022170672-A1 · Jun 2, 2022 · US
Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve
US-2022011023-A1 · Jan 13, 2022 · US
Method for suppressing the blockage of miniature joule-thomson cryocooler based on photothermal effect
US-2021389033-A1 · Dec 16, 2021 · US
Cryogenic refrigeration of a process medium
US-2021080153-A1 · Mar 18, 2021 · US
Apparatus for heat transfer, utilizing the Joule Thomson (JT) effect, for crowning upon heat-emitting devices
US-10914495-B2 · Feb 9, 2021 · US
Apparatus for heat transfer, utilizing the joules thompson (jt) effect, crowned upon heat-emitting devices
US-2019086126-A1 · Mar 21, 2019 · US
Cryostat arrangement comprising a neck tube having a supporting structure and an outer tube surrounding the supporting structure to reduce the cryogen consumption
US-2018283769-A1 · Oct 4, 2018 · US
System, apparatus, and method for micro-capillary heat exchanger
US-9784505-B2 · Oct 10, 2017 · US