Recovery system for n20
US-2020386456-A1 · Dec 10, 2020 · US
Collecting refrigerant from a cycle
Collecting refrigerant from a cycle · 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 | F25B2345/002 |
| Official title | Collecting refrigerant from a cycle |
| Display label | Collecting refrigerant from a cycle |
| Total patents | 172 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 23 |
| 2023 | 12 |
| 2024 | 19 |
| 2025 | 23 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for dual refrigerant tank refill
US-10808974-B2 · Oct 20, 2020 · US
Refrigeration cycle apparatus
US-10767912-B2 · Sep 8, 2020 · US
Refrigerating system and purification method for the same
US-10739048-B2 · Aug 11, 2020 · US
Low global warming potential refrigerants in liquid chillers
US-2020172781-A1 · Jun 4, 2020 · US
System and method for recovering refrigerant
US-10429110-B2 · Oct 1, 2019 · US
Low global warming potential refrigerants in liquid chillers
US-10407602-B2 · Sep 10, 2019 · US
Removal device for a fluid
US-10365024-B2 · Jul 30, 2019 · US
Apparatus and method for a multi-phase vacuum-assisted recovery of refrigerant
US-10352600-B2 · Jul 16, 2019 · US
Apparatus and method for dual refrigerant tank refill
US-2019186796-A1 · Jun 20, 2019 · US
Variable refrigerant volume system and control method thereof
US-10317118-B2 · Jun 11, 2019 · US
Low global warming potential refrigerants in liquid chillers
US-2019161659-A1 · May 30, 2019 · US
Purge system for chiller system
US-2019113262-A1 · Apr 18, 2019 · US
Refrigerant Recovery and Recycling System with Serviceable Debris Filter
US-2019093930-A1 · Mar 28, 2019 · US
Tank Temperature Probe with Positional Sensor
US-2019063804-A1 · Feb 28, 2019 · US
Refrigerant recovery device and refrigerant recovery method
US-2019032976-A1 · Jan 31, 2019 · US
Refrigerant recovery and repurposing
US-2019003755-A1 · Jan 3, 2019 · US
Refrigeration cycle apparatus
US-2018252449-A1 · Sep 6, 2018 · US
Refrigeration cycle apparatus
US-2018231286-A1 · Aug 16, 2018 · US
Refrigerating system and purification method for the same
US-2018187935-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B2345/002?
- CPC F25B2345/002 is the Cooperative Patent Classification code for “Collecting refrigerant from a cycle.”
- How many patents are filed under CPC F25B2345/002 (Collecting refrigerant from a cycle)?
- Our database includes 172 publications tagged with this CPC code.
- Is patent activity under CPC F25B2345/002 growing?
- Publication counts under this code: 19 in 2024 vs 23 in 2025 (latest complete years).