Air conditioning apparatus
US-2022260293-A1 · Aug 18, 2022 · US
Preventing, detecting or repairing leaks of refrigeration fluids
Preventing, detecting or repairing leaks of refrigeration fluids · 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 | F25B2500/22 |
| Official title | Preventing, detecting or repairing leaks of refrigeration fluids |
| Display label | Preventing, detecting or repairing leaks of refrigeration fluids |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 17 |
| 2023 | 5 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas heat pump system
US-11402133-B2 · Aug 2, 2022 · US
Multi-air conditioner for heating and cooling operations
US-2022090832-A1 · Mar 24, 2022 · US
Multi-air conditioner for heating and cooling and method for controlling multi-air conditioner for heating and cooling
US-2022065505-A1 · Mar 3, 2022 · US
Refrigeration Leak Detection
US-2022042698-A1 · Feb 10, 2022 · US
Air-conditioning apparatus with leak detection control
US-11231199-B2 · Jan 25, 2022 · US
Vapor leak separation and detection system
US-2021389028-A1 · Dec 16, 2021 · US
Refrigeration system with flexible high pressure hose assembly
US-2021285702-A1 · Sep 16, 2021 · US
System for fluid pump down using valves
US-2021254875-A1 · Aug 19, 2021 · US
Isolated evaporator piping pod
US-2021188046-A1 · Jun 24, 2021 · US
System and method for sealing and supporting external pipe connections in fluid lines and directing escaped fluids to a cabinet in an hvac system
US-2021088242-A1 · Mar 25, 2021 · US
Systems and methods for pumping down flammable refrigerant
US-10928091-B2 · Feb 23, 2021 · US
Gas heat pump system
US-2020340713-A1 · Oct 29, 2020 · US
Systems and methods for pumping down flammable refrigerant
US-10816232-B2 · Oct 27, 2020 · US
Refrigerant pump down for an HVAC system
US-10767882-B2 · Sep 8, 2020 · US
Air-conditioning apparatus
US-2020271344-A1 · Aug 27, 2020 · US
Air-conditioning apparatus
US-2020248943-A1 · Aug 6, 2020 · US
Systems and Methods for Pumping Down Flammable Refrigerant
US-2020240673-A1 · Jul 30, 2020 · US
Systems and Methods for Pumping Down Flammable Refrigerant
US-2020240661-A1 · Jul 30, 2020 · US
Air conditioner with refrigerant leakage control
US-10712035-B2 · Jul 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B2500/22?
- CPC F25B2500/22 is the Cooperative Patent Classification code for “Preventing, detecting or repairing leaks of refrigeration fluids.”
- How many patents are filed under CPC F25B2500/22 (Preventing, detecting or repairing leaks of refrigeration fluids)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC F25B2500/22 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).