Systems and methods for purging a chiller system
US-2020355413-A1 · Nov 12, 2020 · US
for compression type systems
for compression type systems · 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 | F25B43/043 |
| Official title | {for compression type systems} |
| Display label | for compression type systems |
| Total patents | 164 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 25 |
| 2020 | 21 |
| 2021 | 17 |
| 2022 | 27 |
| 2023 | 25 |
| 2024 | 10 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerant container
US-10821811-B2 · Nov 3, 2020 · US
Control device and control method for extraction device
US-2020340722-A1 · Oct 29, 2020 · US
Magnetic desiccant bag
US-10780389-B2 · Sep 22, 2020 · US
Refrigerating system and purification method for the same
US-10739048-B2 · Aug 11, 2020 · US
Activation and deactivation of a purge unit of a vapor compression system based at least in part on conditions within a condenser of the vapor compression system
US-2020240690-A1 · Jul 30, 2020 · US
Refrigeration cycle device
US-2020158381-A1 · May 21, 2020 · US
Low pressure refrigeration system with membrane purge
US-2020149791-A1 · May 14, 2020 · US
Systems and methods for purging a chiller system
US-2020041181-A1 · Feb 6, 2020 · US
Compressor bearing cooling via purge unit
US-10539352-B2 · Jan 21, 2020 · US
Thermoelectric purge unit
US-10533785-B2 · Jan 14, 2020 · US
Magnetic Desiccant Bag
US-2020009501-A1 · Jan 9, 2020 · US
Fluid control system having a gas separating system
US-2019381426-A1 · Dec 19, 2019 · US
Accumulator
US-10502469-B2 · Dec 10, 2019 · US
A method and system for reducing propane content in a refrigerant containing propane
US-2019368793-A1 · Dec 5, 2019 · US
Control device and control method for bleed device
US-10495363-B2 · Dec 3, 2019 · US
Refrigerant vent rectifier and efficiency booster
US-10443932-B2 · Oct 15, 2019 · US
Refrigeration system with purge and acid filter
US-2019285323-A1 · Sep 19, 2019 · US
Refrigerating machine and control method therefor
US-10408518-B2 · Sep 10, 2019 · US
Air conditioner
US-10393408-B2 · Aug 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B43/043?
- CPC F25B43/043 is the Cooperative Patent Classification code for “for compression type systems.”
- How many patents are filed under CPC F25B43/043 (for compression type systems)?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC F25B43/043 growing?
- Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).