Cryocooler
US-2017343248-A1 · Nov 30, 2017 · US
characterised by the refrigerant
characterised by the refrigerant · 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 | F25B9/002 |
| Official title | {characterised by the refrigerant} |
| Display label | characterised by the refrigerant |
| Total patents | 435 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 17 |
| 2017 | 39 |
| 2018 | 37 |
| 2019 | 48 |
| 2020 | 67 |
| 2021 | 50 |
| 2022 | 41 |
| 2023 | 34 |
| 2024 | 33 |
| 2025 | 42 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling with flexibility
US-9828885-B2 · Nov 28, 2017 · US
Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling
US-9816401-B2 · Nov 14, 2017 · US
Linear compressor
US-2017321670-A1 · Nov 9, 2017 · US
Composition and use of vinylidene fluoride and blends thereof
US-2017313923-A1 · Nov 2, 2017 · US
Organic Rankine Cycle Based Conversion of Gas Processing Plant Waste Heat into Power and Cooling
US-2017306803-A1 · Oct 26, 2017 · US
Ammonia synthesis system and method
US-2017283271-A1 · Oct 5, 2017 · US
Regenerative refrigerator
US-9765996-B2 · Sep 19, 2017 · US
System for cooling an electrical component of a machine
US-2017261235-A1 · Sep 14, 2017 · US
Heat pump
US-2017248349-A1 · Aug 31, 2017 · US
Very efficient heat exchanger for cryogen free MRI magnet
US-9683759-B2 · Jun 20, 2017 · US
Method for pressure and temperature control of a fluid in a series of cryogenic compressors
US-2017159666-A1 · Jun 8, 2017 · US
Method for controlling the speed of cryogenic compressors arranged in series for cooling cryogenic helium
US-2017152855-A1 · Jun 1, 2017 · US
Cascade refrigeration system with modular ammonia chiller units
US-9664424-B2 · May 30, 2017 · US
Condensing apparatus
US-9625191-B2 · Apr 18, 2017 · US
Working medium and heat cycle system
US-2017101568-A1 · Apr 13, 2017 · US
Working medium and heat cycle system
US-2017101567-A1 · Apr 13, 2017 · US
Substrate processing device and substrate processing method
US-9607867-B2 · Mar 28, 2017 · US
Working medium and heat cycle system
US-9593274-B2 · Mar 14, 2017 · US
Organic rankine cycle based conversion of gas processing plant waste heat into power
US-2017058722-A1 · Mar 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B9/002?
- CPC F25B9/002 is the Cooperative Patent Classification code for “characterised by the refrigerant.”
- How many patents are filed under CPC F25B9/002 (characterised by the refrigerant)?
- Our database includes 435 publications tagged with this CPC code.
- Is patent activity under CPC F25B9/002 growing?
- Publication counts under this code: 33 in 2024 vs 42 in 2025 (latest complete years).