Membrane separation system
US-2026001032-A1 · Jan 1, 2026 · US
for withdrawing non-condensible gases
for withdrawing non-condensible gases · 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 | F25B43/04 |
| Official title | for withdrawing non-condensible gases |
| Display label | for withdrawing non-condensible gases |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chiller purge systems and methods
US-2025362066-A1 · Nov 27, 2025 · US
Two phase coolant management
US-12363863-B2 · Jul 15, 2025 · US
Emission canister system for a HVAC and R system
US-12330110-B2 · Jun 17, 2025 · US
Vapor compression cycle with direct pumped two-phase cooling
US-2025189189-A1 · Jun 12, 2025 · US
Two Phase Coolant Management
US-2024260232-A1 · Aug 1, 2024 · US
Enhanced refrigeration purge system
US-11976860-B2 · May 7, 2024 · US
Emission canister system for a hvac&r system
US-2023390690-A1 · Dec 7, 2023 · US
Gas injection type heat management system for vehicle
US-11828505-B2 · Nov 28, 2023 · US
Emission canister system for a HVAC and R system
US-11738298-B2 · Aug 29, 2023 · US
Gas injection type heat management system for vehicle
US-2023204268-A1 · Jun 29, 2023 · US
Integrated connector and heat exchanger including the same
US-11604037-B2 · Mar 14, 2023 · US
Nano-separation refrigeration system and method for refrigeration circulation
US-11598563-B2 · Mar 7, 2023 · US
Nano-separation refrigeration system and method for refrigeration circulation
US-2022381492-A1 · Dec 1, 2022 · US
Cooling system, air removal attachment, air removal method, and storage medium
US-2022377944-A1 · Nov 24, 2022 · US
Heat pump system for vehicle
US-11479077-B2 · Oct 25, 2022 · US
Reservoir tank
US-2022307744-A1 · Sep 29, 2022 · US
Emission canister system for a HVAC and R system
US-11413566-B2 · Aug 16, 2022 · US
Bidirectional filter drier
US-11391498-B2 · Jul 19, 2022 · US
Heat pump system for vehicle
US-2022088991-A1 · Mar 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B43/04?
- CPC F25B43/04 is the Cooperative Patent Classification code for “for withdrawing non-condensible gases.”
- How many patents are filed under CPC F25B43/04 (for withdrawing non-condensible gases)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F25B43/04 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).