Systems and methods for purging a chiller system
US-2020355413-A1 · Nov 12, 2020 · US
using ejectors (F25B9/10 takes precedence)
using ejectors (F25B9/10 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 | F25B9/08 |
| Official title | using ejectors (F25B9/10 takes precedence) |
| Display label | using ejectors (F25B9/10 takes precedence) |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 12 |
| 2018 | 18 |
| 2019 | 10 |
| 2020 | 21 |
| 2021 | 14 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sorption-based subcooler
US-2020318866-A1 · Oct 8, 2020 · US
Air conditioning system and control method therof
US-2020318839-A1 · Oct 8, 2020 · US
Enhanced thermally-driven ejector cycles
US-2020248932-A1 · Aug 6, 2020 · US
Heat-recovery-enhanced refrigeration system
US-2020248938-A1 · Aug 6, 2020 · US
Ejector refrigeration cycle
US-2020149784-A1 · May 14, 2020 · US
Cooling system
US-2020132345-A1 · Apr 30, 2020 · US
Method for controlling a vapour compression system in a flooded state
US-10508850-B2 · Dec 17, 2019 · US
Ejectors and Methods of Manufacture
US-2019331373-A1 · Oct 31, 2019 · US
Ejector and refrigeration cycle apparatus including ejector
US-10422560-B2 · Sep 24, 2019 · US
Environmental control system with ejector-enhanced cooling
US-10408501-B2 · Sep 10, 2019 · US
Ejector and refrigeration cycle apparatus having ejector
US-10345018-B2 · Jul 9, 2019 · US
Ejector refrigeration circuit
US-10323863-B2 · Jun 18, 2019 · US
Fluid injection control system and fluid circulation system
US-2019178513-A1 · Jun 13, 2019 · US
Ejector refrigeration circuit
US-2019128569-A1 · May 2, 2019 · US
Ejector using swirl flow
US-10215196-B2 · Feb 26, 2019 · US
Aircraft air conditioning system with an electrically driven ambient air compressor and method for operating such an aircraft air conditioning system
US-10202197-B2 · Feb 12, 2019 · US
Refrigeration cycle and refrigerator having the same
US-10139139-B2 · Nov 27, 2018 · US
Method for controlling a vapour compression system in a flooded state
US-2018320944-A1 · Nov 8, 2018 · US
A method for switching compressor capacity
US-2018313581-A1 · Nov 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B9/08?
- CPC F25B9/08 is the Cooperative Patent Classification code for “using ejectors (F25B9/10 takes precedence).”
- How many patents are filed under CPC F25B9/08 (using ejectors (F25B9/10 takes precedence))?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC F25B9/08 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).