Oil pump
US-2022381240-A1 · Dec 1, 2022 · US
of the inlet
of the inlet · 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 | F04C2250/101 |
| Official title | of the inlet |
| Display label | of the inlet |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 15 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Scroll compressor
US-2022381242-A1 · Dec 1, 2022 · US
Scroll compressor having internal fixed scroll with pillar design
US-11365733-B2 · Jun 21, 2022 · US
Rotary compressor and home appliance including same
US-2022186731-A1 · Jun 16, 2022 · US
Vacuum pump having a silencer
US-2022128055-A1 · Apr 28, 2022 · US
Scroll compressor
US-2022090600-A1 · Mar 24, 2022 · US
Vacuum pump having a silencer
US-11274668-B2 · Mar 15, 2022 · US
Vane pump device
US-2022049698-A1 · Feb 17, 2022 · US
Screw Compressor
US-2022049700-A1 · Feb 17, 2022 · US
Compressor having shell fitting
US-11248605-B1 · Feb 15, 2022 · US
Compressor having shell fitting
US-2022034316-A1 · Feb 3, 2022 · US
Co-rotating compressor
US-11111921-B2 · Sep 7, 2021 · US
Fluid equalisation for multiple compressors
US-2021239119-A1 · Aug 5, 2021 · US
Scroll compressor having internal fixed scroll with pillar design
US-2021239116-A1 · Aug 5, 2021 · US
Rotary compressor having reduced pressure loss of refrigerant flow
US-11060522-B2 · Jul 13, 2021 · US
Rotary compressor
US-11002279-B2 · May 11, 2021 · US
Compact dual-section gear pump
US-2020362860-A1 · Nov 19, 2020 · US
Compressor Having Directed Suction
US-2020309124-A1 · Oct 1, 2020 · US
Scroll compressor with suction pipe improvements
US-10746175-B2 · Aug 18, 2020 · US
Machine provided with an oil pump and a method to start such a machine
US-2020232355-A1 · Jul 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2250/101?
- CPC F04C2250/101 is the Cooperative Patent Classification code for “of the inlet.”
- How many patents are filed under CPC F04C2250/101 (of the inlet)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC F04C2250/101 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).