Cryogenic cooling device
US-2024377107-A1 · Nov 14, 2024 · US
using Joule-Thompson effect; using vortex effect · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25B9/02 |
| Official title | using Joule-Thompson effect; using vortex effect |
| Display label | using Joule-Thompson effect; using vortex effect |
| Total patents | 72 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024377107-A1 · Nov 14, 2024 · US
US-2023204258-A1 · Jun 29, 2023 · US
US-11662140-B2 · May 30, 2023 · US
US-2023114102-A1 · Apr 13, 2023 · US
US-2023056446-A1 · Feb 23, 2023 · US
US-11533828-B2 · Dec 20, 2022 · US
US-2022349628-A1 · Nov 3, 2022 · US
US-11486609-B2 · Nov 1, 2022 · US
US-2022170672-A1 · Jun 2, 2022 · US
US-11333404-B2 · May 17, 2022 · US
US-11293671-B2 · Apr 5, 2022 · US
US-11215384-B2 · Jan 4, 2022 · US
US-11187438-B2 · Nov 30, 2021 · US
US-2021360830-A1 · Nov 18, 2021 · US
US-2021341182-A1 · Nov 4, 2021 · US
US-11162715-B2 · Nov 2, 2021 · US
US-11149990-B2 · Oct 19, 2021 · US
US-11125475-B2 · Sep 21, 2021 · US
US-2021148609-A1 · May 20, 2021 · US
US-2021080153-A1 · Mar 18, 2021 · US
Answers are generated from the same data shown on this page.