Rotary compressor
US-12253083-B2 · Mar 18, 2025 · US
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auxiliary
auxiliary · 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 | F04C2210/12 |
| Official title | auxiliary |
| Display label | auxiliary |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary compressor
US-2023184250-A1 · Jun 15, 2023 · US
Closed circulation system for production of a polymer solution and improving operating efficiency of a gas drainage pump used in a coal mine
US-10613554-B2 · Apr 7, 2020 · US
Closed circulation system for improving operating efficiency of gas drainage pump
US-2019286174-A1 · Sep 19, 2019 · US