Cryocooler and method for operating cryocooler
US-2024142149-A1 · May 2, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F25B49/005 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 1,160 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 60 |
| 2016 | 58 |
| 2017 | 68 |
| 2018 | 83 |
| 2019 | 119 |
| 2020 | 113 |
| 2021 | 112 |
| 2022 | 150 |
| 2023 | 115 |
| 2024 | 148 |
| 2025 | 98 |
| 2026 | 36 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Controls and operation of variable frequency drives
US-2015377536-A1 · Dec 31, 2015 · US
Refrigerating and air-conditioning apparatus
US-9222711-B2 · Dec 29, 2015 · US
Compressor diagnostic and protection system and method
US-2015367463-A1 · Dec 24, 2015 · US
Temperature monitor of wire electric discharge machine
US-9217612-B2 · Dec 22, 2015 · US
Cooling system and maintenance timing determination method
US-9217593-B2 · Dec 22, 2015 · US
HVAC System Remote Monitoring and Diagnosis of Refrigerant Line Obstruction
US-2015345821-A1 · Dec 3, 2015 · US
Tandem compressor discharge pressure and temperature control logic
US-2015338133-A1 · Nov 26, 2015 · US
Refrigerant pressure relief in hvac systems
US-2015330685-A1 · Nov 19, 2015 · US
Sensor failure error handling
US-2015330690-A1 · Nov 19, 2015 · US
System and method for monitoring compressor floodback
US-2015330691-A1 · Nov 19, 2015 · US
Liquid line charge compensator
US-2015330684-A1 · Nov 19, 2015 · US
Vehicle air conditioner
US-2015298525-A1 · Oct 22, 2015 · US
Refrigeration cycle apparatus
US-2015300701-A1 · Oct 22, 2015 · US
Methods and systems to reduce damage caused by vibration
US-2015300683-A1 · Oct 22, 2015 · US
Refrigeration cycle device
US-2015292780-A1 · Oct 15, 2015 · US
Refrigeration system and dilution device for a merchandiser
US-2015282643-A1 · Oct 8, 2015 · US
Method and Apparatus for Monitoring Refrigeration-Cycle Systems
US-2015261230-A1 · Sep 17, 2015 · US
A heat pump system having a maximum percent demand re-calculation algorithm controller
US-2015253050-A1 · Sep 10, 2015 · US
Compressor diagnostic and protection system and method
US-9121407-B2 · Sep 1, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B49/005?
- CPC F25B49/005 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F25B49/005 (Mechanical Engineering)?
- Our database includes 1,160 publications tagged with this CPC code.
- Is patent activity under CPC F25B49/005 growing?
- Publication counts under this code: 148 in 2024 vs 98 in 2025 (latest complete years).