Compressor oil recovery in hybrid VCC pumped two phase loops
US-12578131-B2 · Mar 17, 2026 · US
for flow path resistance control on the downstream side of the diverging point, e.g. by an orifice · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25B41/48 |
| Official title | for flow path resistance control on the downstream side of the diverging point, e.g. by an orifice |
| Display label | for flow path resistance control on the downstream side of the diverging point, e.g. by an orifice |
| Total patents | 34 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12578131-B2 · Mar 17, 2026 · US
US-12504201-B2 · Dec 23, 2025 · US
US-12498150-B2 · Dec 16, 2025 · US
US-12460845-B2 · Nov 4, 2025 · US
US-2025264252-A1 · Aug 21, 2025 · US
US-2025155172-A1 · May 15, 2025 · US
US-2025012494-A1 · Jan 9, 2025 · US
US-12169083-B2 · Dec 17, 2024 · US
US-12115836-B2 · Oct 15, 2024 · US
US-2024271841-A1 · Aug 15, 2024 · US
US-11892211-B2 · Feb 6, 2024 · US
US-11859882-B2 · Jan 2, 2024 · US
US-2023366591-A1 · Nov 16, 2023 · US
US-2023331063-A1 · Oct 19, 2023 · US
US-2023243558-A1 · Aug 3, 2023 · US
US-11662125-B2 · May 30, 2023 · US
US-2023020557-A1 · Jan 19, 2023 · US
US-2022373240-A1 · Nov 24, 2022 · US
US-2022260277-A1 · Aug 18, 2022 · US
US-2022048366-A1 · Feb 17, 2022 · US
Answers are generated from the same data shown on this page.