Screw compressor for HVAC
US-10876768-B2 · Dec 29, 2020 · US
of screw type
of screw type · 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 | F25B1/047 |
| Official title | of screw type |
| Display label | of screw type |
| Total patents | 169 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 16 |
| 2020 | 24 |
| 2021 | 23 |
| 2022 | 14 |
| 2023 | 21 |
| 2024 | 22 |
| 2025 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lubricant management in an hvacr system
US-2020378659-A1 · Dec 3, 2020 · US
Refrigeration apparatus and use thereof
US-2020370799-A1 · Nov 26, 2020 · US
Variable economizer injection position
US-10837445-B2 · Nov 17, 2020 · US
Compressor floodback protection system
US-10801762-B2 · Oct 13, 2020 · US
Active clearance management in screw compressor
US-10738781-B2 · Aug 11, 2020 · US
Oil separation barrel, screw compressor and air conditioning unit
US-10570900-B2 · Feb 25, 2020 · US
Active clearance management in screw compressor
US-10539137-B2 · Jan 21, 2020 · US
Rotary compressors with variable speed and volume control
US-10533556-B2 · Jan 14, 2020 · US
Active clearance management in screw compressor
US-2020003214-A1 · Jan 2, 2020 · US
Lubricant quality management for a compressor
US-2019383539-A1 · Dec 19, 2019 · US
Screw Compressor System for a Utility Vehicle
US-2019376517-A1 · Dec 12, 2019 · US
Oil recovery for refrigeration system
US-10408508-B2 · Sep 10, 2019 · US
Multi-stage compressor having interstage lubricant injection via an injection rod
US-2019271316-A1 · Sep 5, 2019 · US
Device and method for cooling and/or low-temperature liquefaction
US-10393428-B2 · Aug 27, 2019 · US
Capacity control for chillers having screw compressors
US-2019249666-A1 · Aug 15, 2019 · US
Screw compressor drive control
US-10352608-B2 · Jul 16, 2019 · US
Compressor stop valve and associated system
US-2019203716-A1 · Jul 4, 2019 · US
Cooling system
US-10337773-B2 · Jul 2, 2019 · US
Heat transfer compositions, methods and systems
US-2019153283-A1 · May 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B1/047?
- CPC F25B1/047 is the Cooperative Patent Classification code for “of screw type.”
- How many patents are filed under CPC F25B1/047 (of screw type)?
- Our database includes 169 publications tagged with this CPC code.
- Is patent activity under CPC F25B1/047 growing?
- Publication counts under this code: 22 in 2024 vs 15 in 2025 (latest complete years).